JP6833939B2 - Operating members and electronic devices - Google Patents
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- JP6833939B2 JP6833939B2 JP2019159328A JP2019159328A JP6833939B2 JP 6833939 B2 JP6833939 B2 JP 6833939B2 JP 2019159328 A JP2019159328 A JP 2019159328A JP 2019159328 A JP2019159328 A JP 2019159328A JP 6833939 B2 JP6833939 B2 JP 6833939B2
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
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Description
本発明は、回転操作可能な操作部材及びこれを有する電子機器に関し、特に電子機器に装備された操作部材の回転を検出する技術に関する。 The present invention relates to an operating member capable of rotation operation and an electronic device having the same, and more particularly to a technique for detecting the rotation of an operating member mounted on the electronic device.
電子機器には、様々な処理や動作を実行させるために、押しボタン式やスライド式、回転式等の種々の操作部材が実装されている。このような操作部材が操作されたときの操作部材の動作を検出する手段として、各種のセンサが用いられている。例えば、回転式の操作部材の一例である回転操作環の回転を、フォトリフレクタを用いて検知する技術が提案されている（特許文献１参照）。 Various operation members such as a push button type, a slide type, and a rotary type are mounted on the electronic device in order to execute various processes and operations. Various sensors are used as means for detecting the operation of the operating member when such an operating member is operated. For example, a technique for detecting the rotation of a rotary operating ring, which is an example of a rotary operating member, using a photoreflector has been proposed (see Patent Document 1).
具体的には、回転操作環に反射率の異なる反射面を一定の回転角度毎に交互に設け、回転操作環が回転操作されたときにフォトリフレクタのオン／オフ（受光／非受光）が切り替わる構成とする。これにより、回転操作環の回転を検知することができる。ここで、回転操作環に反射率の異なる反射面を形成する方法としては、環状部材の内周面に反射面を直接形成する方法や、環状部材の内周面に反射シートを貼り付ける方法等がある。 Specifically, reflective surfaces having different reflectances are alternately provided on the rotation operation ring at regular rotation angles, and the photoreflector is switched on / off (light reception / non-light reception) when the rotation operation ring is rotated. It is configured. Thereby, the rotation of the rotation operation ring can be detected. Here, as a method of forming the reflective surfaces having different reflectances on the rotation operation ring, a method of directly forming the reflective surface on the inner peripheral surface of the annular member, a method of attaching a reflective sheet to the inner peripheral surface of the annular member, and the like. There is.
しかしながら、環状部材に反射率の異なる反射面を直接形成して回転操作環を製造する場合、製造（加工）コストが高くなるという問題がある。これに対して、反射シートを環状部材に貼り付けて回転操作環を製造する場合には、環状部材に反射面を直接形成する場合よりも、製造コストを抑えることができる。しかし、３６０度の回転が可能な回転操作環では、反射シートを環状部材の内周面の全周にわたって貼り付ける必要が生じる。このとき、反射シートの継ぎ目に微小な隙間が生じ、或いは、反射シートの継ぎ目に微小な重なりが生じてしまうと、反射率の変化が一様でなくなることで、回転角度を検知した際に誤検知が生じるおそれがある。 However, when a rotary operation ring is manufactured by directly forming reflective surfaces having different reflectances on the annular member, there is a problem that the manufacturing (processing) cost becomes high. On the other hand, when the reflective sheet is attached to the annular member to manufacture the rotation operation ring, the manufacturing cost can be suppressed as compared with the case where the reflective surface is directly formed on the annular member. However, in the rotation operation ring capable of rotating 360 degrees, it is necessary to attach the reflective sheet over the entire inner peripheral surface of the annular member. At this time, if a minute gap is generated at the seam of the reflective sheet or a minute overlap is generated at the seam of the reflective sheet, the change in reflectance becomes not uniform, and an error is made when the rotation angle is detected. Detection may occur.
本発明は、製造コストが抑えられ、回転角度の誤検知を防止することができる回転操作可能な操作部材を提供することを目的とする。 An object of the present invention is to provide a rotation-operable operating member capable of suppressing manufacturing costs and preventing erroneous detection of a rotation angle.
本発明に係る操作部材は、円周面を有する環状部材と、前記円周面に固定されたシートと、を備え、前記シートの表面の反射率は前記円周面の反射率と異なり、前記シートは、前記円周面の周方向に並ぶ複数の孔部を有し、前記孔部から前記円周面の一部が露出し、かつ、前記シートの両端が前記周方向において互いに向かい合うように、前記円周面に固定され、前記周方向において前記シートの両端の間には、前記孔部の前記周方向の幅と略等しい幅を有する隙間が設けられ、前記隙間では前記円周面が露出していることを特徴とする。 Operating member according to the present invention comprises an annular member having a circular peripheral surface, and a sheet secured to the circumferential surface, the reflectance of the surface of the sheet is different from the reflectance before Symbol circumferential surface, The sheet has a plurality of holes arranged in the circumferential direction of the circumferential surface so that a part of the circumferential surface is exposed from the holes and both ends of the sheet face each other in the circumferential direction. Is fixed to the circumferential surface, and a gap having a width substantially equal to the width of the hole in the circumferential direction is provided between both ends of the sheet in the circumferential direction, and the circumferential surface is provided in the gap. Is exposed .
本発明によれば、回転操作可能な操作部材の製造コストを抑えることができる。また、操作部材の回転角度を検知する際に誤検知が発生することを防止することができる。 According to the present invention, it is possible to reduce the manufacturing cost of an operating member that can be rotated. In addition, it is possible to prevent erroneous detection from occurring when detecting the rotation angle of the operating member.
以下、本発明の実施形態について、添付図面を参照して詳細に説明する。本実施形態では、本発明に係る電子機器の一例として撮像装置を取り上げることとする。 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the present embodiment, an imaging device will be taken up as an example of the electronic device according to the present invention.
図１は、本発明の実施形態に係る撮像装置１の外観斜視図である。撮像装置１は、本発明に係る電子機器の一例である。撮像装置１は、大略的に、本体部１ａ及び円筒部１ｂから構成されている。本体部１ａは、不図示であるが、撮像素子、画像処理回路、信号処理回路及びメモリカード等を有する。撮像素子は、被写体の光学像を光電変換する。画像処理回路は、撮像素子から出力されるアナログ信号をデジタル画像信号へ変換して所定の画像処理を施し、画像データを生成する。信号処理回路は、円筒部１ｂに設けられた後述のフォトリフレクタ１０ａ，１０ｂ（図４参照）からの信号に基づき、後述の回転操作環４の回転を検知する。メモリカードは、画像処理回路から出力される画像データを記憶する。 FIG. 1 is an external perspective view of the image pickup apparatus 1 according to the embodiment of the present invention. The image pickup apparatus 1 is an example of an electronic device according to the present invention. The image pickup apparatus 1 is roughly composed of a main body portion 1a and a cylindrical portion 1b. Although not shown, the main body 1a includes an image sensor, an image processing circuit, a signal processing circuit, a memory card, and the like. The image sensor photoelectrically converts the optical image of the subject. The image processing circuit converts an analog signal output from an image pickup element into a digital image signal, performs predetermined image processing, and generates image data. The signal processing circuit detects the rotation of the rotation operation ring 4 described later based on the signals from the photo reflectors 10a and 10b (see FIG. 4) provided in the cylindrical portion 1b. The memory card stores image data output from the image processing circuit.
円筒部１ｂは、本体部１ａの正面側中央付近に配置されている。円筒部１ｂは、撮像レンズ２及び鏡筒３を有する。撮像レンズ２は、撮像素子に結像する被写体像を形成する。鏡筒３は、撮像素子へ到達する光量を調整する不図示のシャッタ装置や絞り装置を備える。 The cylindrical portion 1b is arranged near the center on the front side of the main body portion 1a. The cylindrical portion 1b has an image pickup lens 2 and a lens barrel 3. The image pickup lens 2 forms a subject image to be imaged on the image pickup element. The lens barrel 3 includes a shutter device and an aperture device (not shown) that adjust the amount of light reaching the image sensor.
円筒部１ｂの外周には、本発明の第１実施形態に係る回転操作環４、円筒外装５及びキャップ６が設けられている。回転操作環４は、撮像素子の感度調整やシャッタ速度等の各種の撮像パラメータを変更する際に操作される回転操作可能な操作部材である。撮像装置１では、不図示の設定手段によって、回転操作環４の操作によって設定値の変更が可能な撮像パラメータを予め設定することができるようになっている。よって、回転操作環４を回転操作することによって、予め設定した所望の撮像パラメータの設定値を変更することができる。なお、キャップ６及び円筒外装５については、図２を参照して後に説明する。また、撮像装置１のその他の構成部品については、本発明と直接の関係がないため、説明を省略する。 A rotation operation ring 4, a cylindrical exterior 5, and a cap 6 according to the first embodiment of the present invention are provided on the outer periphery of the cylindrical portion 1b. The rotation operation ring 4 is an operation member capable of rotation operation that is operated when various image pickup parameters such as sensitivity adjustment of the image pickup element and shutter speed are changed. In the image pickup apparatus 1, an image pickup parameter whose set value can be changed by operating the rotation operation ring 4 can be set in advance by a setting means (not shown). Therefore, by rotating the rotation operation ring 4, it is possible to change the preset values of the desired imaging parameters. The cap 6 and the cylindrical exterior 5 will be described later with reference to FIG. Further, since the other components of the image pickup apparatus 1 are not directly related to the present invention, description thereof will be omitted.
図２（ａ）は、円筒部１ｂの概略構造を示す断面図である。また、図２（ｂ）は、図２（ａ）に示す領域Ｓの部分拡大図である。図２（ａ），（ｂ）では、鏡筒３の内部に配置される撮像レンズ２等の部品については、本発明と直接の関係がないため、図示を省略している。 FIG. 2A is a cross-sectional view showing a schematic structure of the cylindrical portion 1b. Further, FIG. 2B is a partially enlarged view of the region S shown in FIG. 2A. In FIGS. 2A and 2B, parts such as the image pickup lens 2 arranged inside the lens barrel 3 are not shown because they are not directly related to the present invention.
円筒部１ｂは、鏡筒３の外周に配置されたベース部材８を有する。ベース部材８の先端側（被写体側）には、キャップ６が配置されている。ベース部材８の外周には、回転操作環４及び円筒外装５が配置されている。円筒外装５とベース部材８は、不図示の部品を介して本体部１ａへ固定される。キャップ６は、円筒外装５とで回転操作環４を挟み込むようにして、不図示のビスによって、ベース部材８を介して本体部１ａに固定される。回転操作環４は、鏡筒３の光軸Ｌ方向において円筒外装５とキャップ６とで挟持されているため、回転操作環４の光軸Ｌ方向への移動は、一定のガタを除いて規制されている。しかし、回転操作環４は、光軸Ｌを中心軸とした回転方向では動きに規制はなく、３６０度の回転が可能となっている。 The cylindrical portion 1b has a base member 8 arranged on the outer periphery of the lens barrel 3. A cap 6 is arranged on the tip end side (subject side) of the base member 8. A rotation operation ring 4 and a cylindrical exterior 5 are arranged on the outer periphery of the base member 8. The cylindrical exterior 5 and the base member 8 are fixed to the main body 1a via a component (not shown). The cap 6 is fixed to the main body 1a via the base member 8 by a screw (not shown) so as to sandwich the rotation operation ring 4 with the cylindrical exterior 5. Since the rotation operation ring 4 is sandwiched between the cylindrical exterior 5 and the cap 6 in the optical axis L direction of the lens barrel 3, the movement of the rotation operation ring 4 in the optical axis L direction is restricted except for a certain amount of play. Has been done. However, the rotation operation ring 4 has no restriction on its movement in the rotation direction about the optical axis L as a central axis, and can rotate 360 degrees.
キャップ６には、溝６ａが設けられている。溝６ａの内部には、樹脂材の一例であるゴム材からなるリング部材７が嵌め込まれている。リング部材７の内径は単体の状態では溝６ａの外径より小さく、そのため、リング部材７は伸び広げられながら溝６ａへ嵌め込まれる。回転操作環４が光軸Ｌ方向において円筒外装５とキャップ６とによって挟持された状態では、リング部材７は、回転操作環４に設けられた突出部４ｅによって、光軸Ｌと直交する方向（ラジアル方向）に付勢（加圧）され、圧縮される。突出部４ｅは、円筒部１ｂでは、回転操作環４の内周の３カ所に周方向に略等間隔で設けられており、これにより、リング部材７はバランスよく突出部４ｅによって付勢される。突出部４ｅによるリング部材７への付勢により、回転操作環４を回転操作する際に一定の操作負荷が加わることで、回転操作環４が不用意に回転してしまうことを防止して、操作性を向上させることができる。なお、突出部４ｅは、４カ所以上に設けられていてもよい。 The cap 6 is provided with a groove 6a. A ring member 7 made of a rubber material, which is an example of a resin material, is fitted inside the groove 6a. The inner diameter of the ring member 7 is smaller than the outer diameter of the groove 6a in a single state, so that the ring member 7 is fitted into the groove 6a while being stretched and expanded. In a state where the rotation operation ring 4 is sandwiched between the cylindrical exterior 5 and the cap 6 in the direction of the optical axis L, the ring member 7 is in a direction orthogonal to the optical axis L by the protrusion 4e provided on the rotation operation ring 4. It is urged (pressurized) in the radial direction) and compressed. In the cylindrical portion 1b, the projecting portions 4e are provided at three positions on the inner circumference of the rotation operation ring 4 at substantially equal intervals in the circumferential direction, whereby the ring member 7 is urged by the projecting portions 4e in a well-balanced manner. .. By urging the ring member 7 by the protrusion 4e, a constant operation load is applied when the rotation operation ring 4 is rotated, so that the rotation operation ring 4 is prevented from being inadvertently rotated. Operability can be improved. The protruding portions 4e may be provided at four or more locations.
図３（ａ）は、回転操作環４の斜視図である。図３（ｂ）は、回転操作環４の内周面（円周面）の平面展開図である。回転操作環４は、環状部材１２と、環状部材１２の内周面に貼り付けられたシート１１とを有する。 FIG. 3A is a perspective view of the rotation operation ring 4. FIG. 3B is a plan development view of the inner peripheral surface (circumferential surface) of the rotation operation ring 4. The rotation operation ring 4 has an annular member 12 and a sheet 11 attached to the inner peripheral surface of the annular member 12.
環状部材１２は、例えば、アルミ材の切削加工によって製造されており、外周は凹凸状に形成され、その表面はブラスト処理によって粗い表面に仕上げられている。これにより、回転操作環４の外周面を把持して回転操作する際の指の滑りを抑制して、操作性を高めることができる。環状部材１２の内周面において少なくともシート１１が貼り付けられる領域は、反射率の高い面の一例である光沢面１２ａに仕上げられている。 The annular member 12 is manufactured, for example, by cutting an aluminum material, has an outer peripheral surface formed in an uneven shape, and has a rough surface finished by a blasting process. As a result, it is possible to suppress the slippage of the finger when gripping and rotating the outer peripheral surface of the rotation operation ring 4, and improve the operability. At least the region on the inner peripheral surface of the annular member 12 to which the sheet 11 is attached is finished with a glossy surface 12a, which is an example of a surface having high reflectance.
環状部材１２の内周面には、シート１１が、その両端が環状部材１２の周方向において互いに向かい合うように貼り付けられている。シート１１の表面は、反射率の低い面の一例である非光沢面１１ａとなっている。 A sheet 11 is attached to the inner peripheral surface of the annular member 12 so that both ends thereof face each other in the circumferential direction of the annular member 12. The surface of the sheet 11 is a non-glossy surface 11a, which is an example of a surface having a low reflectance.
なお、図３（ｂ）では、非光沢面１１ａと光沢面１２ａとを区別するために、便宜的に、非光沢面１１ａに斜線を施している。また、後に説明する図６（ａ），（ｂ），（ｃ）及び図７（ａ），（ｂ）でも、同様の理由で、非光沢面に斜線を施している。 In FIG. 3B, the non-glossy surface 11a is shaded for convenience in order to distinguish the non-glossy surface 11a from the glossy surface 12a. Further, in FIGS. 6 (a), (b), (c) and 7 (a), (b), which will be described later, the non-glossy surface is shaded for the same reason.
シート１１の材質は限定されるものではない。シート１１には、環状部材１２の周方向に対応する長さ方向に、所定の幅Ａの複数の孔部１１ｂが、幅Ａの間隔で並んで形成されている。つまり、シート１１において隣接する孔部１１ｂ間での非光沢面１１ａの幅もまた幅Ａである。また、シート１１の長さは、シート１１が環状部材１２に貼り付けられた状態で、環状部材１２の周方向で対向する両端間に所定の幅Ｂの隙間１２ｂが形成されるように、予め設定されている。隙間１２ｂの幅Ｂは、孔部１１ｂの幅Ａと略同じ幅に設定される。 The material of the sheet 11 is not limited. In the sheet 11, a plurality of holes 11b having a predetermined width A are formed side by side at intervals of the width A in the length direction corresponding to the circumferential direction of the annular member 12. That is, the width of the non-glossy surface 11a between the adjacent holes 11b in the sheet 11 is also the width A. Further, the length of the sheet 11 is set in advance so that a gap 12b having a predetermined width B is formed between both ends of the annular member 12 facing each other in the circumferential direction in a state where the sheet 11 is attached to the annular member 12. It is set. The width B of the gap 12b is set to substantially the same width as the width A of the hole portion 11b.
なお、光沢面であるか非光沢面であるかの判断は、見た者の主観に依存するところが大きいが、本実施形態では、光沢面と非光沢面とを、反射率の異なる面の典型的な組み合わせとして用いている。後述するように、本実施形態では、光学式センサの一例であるフォトリフレクタの発光部から回転操作環４の内周面へ向けて投光する。そして、回転操作環４の内周面からの反射光をフォトリフレクタの受光部が受光したか否かを示す信号に基づいて、回転操作環４の回転が検知される。そこで、フォトリフレクタの受光部が受光可能な反射光を生じさせる面の一例として光沢面を用い、フォトリフレクタの受光部が受光不可能な反射光を生じさせる面の一例として非光沢面を用いている。したがって、環状部材１２の内周面とシート１１の表面は、見かけに関係なく、反射光の受光と非受光とがフォトリフレクタによって識別可能な程度の反射率の差を有していればよい。 The determination of whether the surface is glossy or non-glossy largely depends on the subjectivity of the viewer, but in the present embodiment, the glossy surface and the non-glossy surface are typical of surfaces having different reflectances. It is used as a typical combination. As will be described later, in the present embodiment, light is projected from the light emitting portion of the photoreflector, which is an example of the optical sensor, toward the inner peripheral surface of the rotation operation ring 4. Then, the rotation of the rotation operation ring 4 is detected based on the signal indicating whether or not the light receiving portion of the photoreflector has received the reflected light from the inner peripheral surface of the rotation operation ring 4. Therefore, a glossy surface is used as an example of a surface on which the light receiving portion of the photoreflector generates reflected light that can be received, and a non-glossy surface is used as an example of a surface on which the light receiving portion of the photoreflector generates reflected light that cannot be received. There is. Therefore, the inner peripheral surface of the annular member 12 and the surface of the sheet 11 need to have a difference in reflectance to such an extent that the light receiving and the non-light receiving of the reflected light can be distinguished by the photoreflector regardless of the appearance.
回転操作環４の内周面では、孔部１１ｂと隙間１２ｂの各領域で、環状部材１２の内周面である光沢面１２ａが露出している。したがって、回転操作環４の内周面には、孔部１１ｂと隙間１２ｂの各領域で露出している光沢面１２ａと、シート１１における孔部１１ｂと孔部１１ｂとの間の領域の非光沢面１１ａとが、全周に亘って交互に設けられる。本実施形態では、孔部１１ｂ及び隙間１２ｂの各領域の幅が角度４度分の幅に設定され、且つ、孔部１１ｂと孔部１１ｂとの間の幅Ａの領域も角度４度分の幅に設定されている。よって、光沢面１２ａと非光沢面１１ａとが８度ピッチで４度ずつ交互に配置されている。 On the inner peripheral surface of the rotation operation ring 4, the glossy surface 12a, which is the inner peripheral surface of the annular member 12, is exposed in each region of the hole portion 11b and the gap 12b. Therefore, on the inner peripheral surface of the rotation operation ring 4, the glossy surface 12a exposed in each region of the hole 11b and the gap 12b and the non-glossy region between the hole 11b and the hole 11b in the sheet 11 The surfaces 11a are alternately provided over the entire circumference. In the present embodiment, the width of each region of the hole 11b and the gap 12b is set to a width of 4 degrees, and the region of the width A between the hole 11b and the hole 11b is also set to an angle of 4 degrees. It is set to the width. Therefore, the glossy surface 12a and the non-glossy surface 11a are alternately arranged at a pitch of 8 degrees by 4 degrees.
ここで、環状部材の内周面にシートを貼り付けた場合に、シートの両端間に隙間を設けずに端面同士を合わせた場合には、シートの両端間に微小な隙間が生じ、或いは、微小な重なりが生じてしまうことがある。これに対して、環状部材１２の内周面にシート１１が貼り付けられたときに、シート１１の両端間に幅Ｂの隙間１２ｂを意図的に設けることにより、シート１１の両端間に微小な隙間や重なりが生じることを回避することができる。これにより、後述するように、回転操作環４の回転を検知する際に誤検知が生じることを防止することができる。 Here, when the sheet is attached to the inner peripheral surface of the annular member, if the end faces are aligned without providing a gap between both ends of the sheet, a minute gap is generated between both ends of the sheet, or A small amount of overlap may occur. On the other hand, when the sheet 11 is attached to the inner peripheral surface of the annular member 12, a gap 12b having a width B is intentionally provided between both ends of the sheet 11, so that a minute gap 12b is provided between both ends of the sheet 11. It is possible to avoid the occurrence of gaps and overlaps. As a result, as will be described later, it is possible to prevent erroneous detection from occurring when detecting the rotation of the rotation operation ring 4.
図３（ａ），（ｂ）にはそれぞれ、回転操作環４の回転を検出するための２つのフォトリフレクタ１０ａ，１０ｂが図示されており、図３（ａ）には、２つのフォトリフレクタ１０ａ，１０ｂが実装されたフレキシブル配線基板９が図示されている。 3 (a) and 3 (b) show two photo reflectors 10a and 10b for detecting the rotation of the rotation operation ring 4, respectively, and FIG. 3 (a) shows two photo reflectors 10a. , 10b is mounted on the flexible wiring board 9.
フォトリフレクタ１０ａ，１０ｂの発光部と受光部は、回転操作環４の内周側に、外周側を向いて配置されている。フォトリフレクタ１０ａ，１０ｂで回転操作環４の回転を検知するためには、フォトリフレクタ１０ａ，１０ｂと対面した回転操作環４の内周面に、反射率の異なる面を、少なくとも交互に設ける必要がある。ここで、前述の通り、環状部材１２の内周面は光沢面１２ａに仕上げられている。そこで、フォトリフレクタ１０ａ，１０ｂの発光部から光沢面１２ａへ投光されて光沢面１２ａで反射した光をフォトリフレクタ１０ａ，１０ｂの受光部で検知することができるように、環状部材１２の内周面とフォトリフレクタ１０ａ，１０ｂとの間の距離を定める。このとき、シート１１の表面の非光沢面１１ａは、フォトリフレクタ１０ａ，１０ｂの発光部から非光沢面１１ａへ投光されて非光沢面１１ａで反射した光をフォトリフレクタ１０ａ，１０ｂの受光部で検知不可能な反射率に設定される。これにより、回転操作環４の回転に伴って、フォトリフレクタ１０ａ，１０ｂの受光部に受光状態と非受光状態を交互に生じさせて、撮像装置１が備える不図示の信号処理回路へ受光状態と非受光状態とを示す信号を送ることが可能になる。 The light emitting portion and the light receiving portion of the photoreflectors 10a and 10b are arranged on the inner peripheral side of the rotation operation ring 4 so as to face the outer peripheral side. In order for the photoreflectors 10a and 10b to detect the rotation of the rotation operation ring 4, it is necessary to provide at least alternately surfaces having different reflectances on the inner peripheral surface of the rotation operation ring 4 facing the photoreflectors 10a and 10b. is there. Here, as described above, the inner peripheral surface of the annular member 12 is finished with a glossy surface 12a. Therefore, the inner circumference of the annular member 12 can be detected by the light receiving portion of the photoreflectors 10a and 10b so that the light projected from the light emitting portion of the photoreflectors 10a and 10b to the glossy surface 12a and reflected by the glossy surface 12a can be detected. The distance between the surface and the photo reflectors 10a and 10b is determined. At this time, the non-glossy surface 11a on the surface of the sheet 11 is projected from the light emitting portion of the photoreflectors 10a and 10b to the non-glossy surface 11a and reflected by the non-glossy surface 11a by the light receiving portion of the photoreflectors 10a and 10b. The reflectance is set to be undetectable. As a result, as the rotation operation ring 4 rotates, the light receiving states of the photoreflectors 10a and 10b are alternately generated in the light receiving state and the non-light receiving state, and the signal processing circuit (not shown) provided in the image pickup apparatus 1 is subjected to the light receiving state. It becomes possible to send a signal indicating a non-light receiving state.
次に、回転操作環４が回転操作された際の回転角度の検出方法について説明する。図４は、円筒部１ｂの分解斜視図であり、回転操作環４及びその周囲の部材を示している。ベース部材８には、フレキシブル配線基板９が固定されており、フレキシブル配線基板９に２つのフォトリフレクタ１０ａ，１０ｂが実装されている。フォトリフレクタ１０ａ，１０ｂの配設ピッチは、図３（ｂ）に示すように、一方が光沢面１２ａ（孔部１１ｂ又は隙間１２ｂの領域）のほぼ中心と対向する位置にあるときに、他方が光沢面１２ａと非光沢面１１ａとの境界と対向する位置にあるように設定される。これにより、２つのフォトリフレクタ１０ａ，１０ｂから出力される信号波形の位相差を最大とすることができる。 Next, a method of detecting the rotation angle when the rotation operation ring 4 is rotated will be described. FIG. 4 is an exploded perspective view of the cylindrical portion 1b, showing the rotation operation ring 4 and its surrounding members. A flexible wiring board 9 is fixed to the base member 8, and two photoreflectors 10a and 10b are mounted on the flexible wiring board 9. As shown in FIG. 3B, the arrangement pitch of the photoreflectors 10a and 10b is such that when one is positioned so as to face substantially the center of the glossy surface 12a (the region of the hole 11b or the gap 12b), the other is It is set so as to face the boundary between the glossy surface 12a and the non-glossy surface 11a. Thereby, the phase difference of the signal waveforms output from the two photo reflectors 10a and 10b can be maximized.
回転操作環４の回転方向を検出するためには、フォトリフレクタ１０ａ，１０ｂから出力される信号波形に位相差が生じていることが必要である。つまり、フォトリフレクタ１０ａが受光したときに、回転操作環４の回転方向によってフォトリフレクタ１０ｂが受光しているか否かの差異が生じることが必要となる。この差異に基づいて、回転操作環４がどの方向に回転しているかを信号処理回路によって判別することができる。 In order to detect the rotation direction of the rotation operation ring 4, it is necessary that the signal waveforms output from the photoreflectors 10a and 10b have a phase difference. That is, when the photoreflector 10a receives light, it is necessary that there is a difference in whether or not the photoreflector 10b receives light depending on the rotation direction of the rotation operation ring 4. Based on this difference, the signal processing circuit can determine in which direction the rotation operation ring 4 is rotating.
図５（ａ）は、撮像装置１の背面側から見て時計回り（ＣＷ）方向（図４参照）に回転操作環４が回転操作された際にフォトリフレクタ１０ａ，１０ｂから出力される信号波形である。図５（ｂ）は、時計回りの方向の逆方向である反時計回り（ＣＣＷ）方向（図４参照）に回転操作環４が回転操作された際にフォトリフレクタ１０ａ，１０ｂから出力される信号波形である。なお、図５（ａ），（ｂ）では、フォトリフレクタ１０ａをＰＲ１０ａと記し、フォトリフレクタ１０ｂをＰＲ１０ｂと記している。また、信号波形がＨｉｇｈを示す範囲は、フォトリフレクタ１０ａ，１０ｂがそれぞれ受光状態にあることを示し、信号波形がＬｏｗで示す範囲は、フォトリフレクタ１０ａ，１０ｂがそれぞれ非受光状態にあることを示している。 FIG. 5A shows signal waveforms output from the photoreflectors 10a and 10b when the rotation operation ring 4 is rotated in the clockwise (CW) direction (see FIG. 4) when viewed from the back side of the image pickup apparatus 1. Is. FIG. 5B shows signals output from the photoreflectors 10a and 10b when the rotation operation ring 4 is rotated in the counterclockwise (CCW) direction (see FIG. 4), which is the opposite direction of the clockwise direction. It is a waveform. In FIGS. 5A and 5B, the photoreflector 10a is referred to as PR10a, and the photoreflector 10b is referred to as PR10b. Further, the range in which the signal waveform indicates High indicates that the photoreflectors 10a and 10b are in the light receiving state, respectively, and the range in which the signal waveform indicates Low indicates that the photoreflectors 10a and 10b are in the non-light receiving state, respectively. ing.
フォトリフレクタ１０ａ，１０ｂの信号波形に位相差がない場合には、回転操作環４をどの方向に回転させても、フォトリフレクタ１０ａ，１０ｂの信号波形が同じとなるため、回転方向を検知することはできない。一方、フォトリフレクタ１０ａ，１０ｂの信号波形の位相差が小さい場合には、位相差の有無の判定にばらつきが生じ、回転方向を誤検知するおそれがある。 When there is no phase difference in the signal waveforms of the photoreflectors 10a and 10b, the signal waveforms of the photoreflectors 10a and 10b are the same regardless of the direction in which the rotation operation ring 4 is rotated, so that the rotation direction is detected. Can't. On the other hand, when the phase difference between the signal waveforms of the photo reflectors 10a and 10b is small, the determination of the presence or absence of the phase difference may vary, and the rotation direction may be erroneously detected.
そこで、円筒部１ｂでは、フォトリフレクタ１０ａ，１０ｂから出力される信号波形に、概ね、半位相分の位相差を生じさせている。回転操作環４が時計回りに回転操作された場合、フォトリフレクタ１０ａの受光部の受光状態が（１）Ｈｉｇｈ、（２）Ｈｉｇｈ、（３）Ｌｏｗ、（４）Ｌｏｗと変化する際に、フォトリフレクタ１０ｂの受光状態は（１）Ｈｉｇｈ、（２）Ｌｏｗ、（３）Ｌｏｗ、（４）Ｈｉｇｈと変化する。回転操作環４が反時計回りに回転操作された場合、フォトリフレクタ１０ａの受光部の受光状態が（１）Ｈｉｇｈ、（２）Ｈｉｇｈ、（３）Ｌｏｗ、（４）Ｌｏｗと変化する際に、フォトリフレクタ１０ｂの受光状態は（１）Ｌｏｗ、（２）Ｈｉｇｈ、（３）Ｈｉｇｈ、（４）Ｌｏｗと変化する。このような順序が守られている場合には、上記（１）から（４）のいずれのタイミングから回転が開始されても、回転操作環４の回転方向を検知することができる。そして、回転操作環４の回転角度を、回転方向と回転開始位置によらず、フォトリフレクタ１０ａ，１０ｂが上記（１）から（４）まで順番に変化することで１ピッチ（１周期）分だけ回転したことを、本体部１ａに設けられた不図示の信号処理回路によって判別する。 Therefore, in the cylindrical portion 1b, a phase difference of approximately half a phase is generated in the signal waveforms output from the photoreflectors 10a and 10b. When the rotation operation ring 4 is rotated clockwise, the photo is taken when the light receiving state of the light receiving portion of the photo reflector 10a changes to (1) High, (2) High, (3) Low, and (4) Low. The light receiving state of the reflector 10b changes as (1) High, (2) Low, (3) Low, and (4) High. When the rotation operation ring 4 is rotated counterclockwise, when the light receiving state of the light receiving portion of the photo reflector 10a changes to (1) High, (2) High, (3) Low, and (4) Low. The light receiving state of the photo reflector 10b changes as (1) Low, (2) High, (3) High, and (4) Low. When such an order is observed, the rotation direction of the rotation operation ring 4 can be detected regardless of the timing of the above (1) to (4). Then, the rotation angle of the rotation operation ring 4 is changed in order from (1) to (4) above by the photoreflectors 10a and 10b regardless of the rotation direction and the rotation start position, so that only one pitch (one cycle) is required. The rotation is determined by a signal processing circuit (not shown) provided in the main body 1a.
前述の通り、回転操作環４の内周面においてフォトリフレクタ１０ａ，１０ｂと対面する位置には、孔部１１ｂ及び隙間１２ｂにおいて露出した光沢面１２ａとシート１１の非光沢面１１ａとが約４度ずつで交互に、周方向の全周にわたって設けられている。よって、回転操作環４の内周面には、合計で４５カ所の光沢面１２ａが存在する。したがって、回転操作環４を８度回転させる毎に回転操作環４の回転を検出することができる。図５（ａ），（ｂ）において、フォトリフレクタ１０ａでの信号の隣接する立ち上がり位置α間の間隔が、回転操作環４の８度の回転に相当する。 As described above, the glossy surface 12a exposed in the holes 11b and the gap 12b and the non-glossy surface 11a of the sheet 11 are about 4 degrees at the positions facing the photoreflectors 10a and 10b on the inner peripheral surface of the rotation operation ring 4. It is provided alternately over the entire circumference in the circumferential direction. Therefore, there are a total of 45 glossy surfaces 12a on the inner peripheral surface of the rotation operation ring 4. Therefore, the rotation of the rotation operation ring 4 can be detected every time the rotation operation ring 4 is rotated 8 degrees. In FIGS. 5A and 5B, the distance between adjacent rising positions α of the signal in the photoreflector 10a corresponds to the rotation of the rotation operation ring 4 by 8 degrees.
以上の説明の通り、回転操作環４は、環状部材１２の内周面においてシート１１が貼り付けられる領域全体が光沢面１２ａとなるように製造されている。そのため、環状部材１２の内周面に異なる反射率の反射面を直接形成する場合よりも成形や加工が容易であり、製造コストを下げることが可能になる。また、表面が非光沢面１１ａとなっており、幅Ａの孔部１１ｂが幅Ａの間隔で並べて形成されたシート１１を、環状部材１２の内周面に貼り付けている。こうして、周方向で対向するシート１１の両端間に、幅Ａと略等しい幅Ｂの隙間１２ｂを形成して、光沢面１２ａを露出させている。これにより、回転操作環４が回転操作されたときの回転操作環４の回転角度及び回転方向を誤検知することなく、正確に検出することができ、ひいては、撮像装置１の信頼性を高めることができる。 As described above, the rotation operation ring 4 is manufactured so that the entire region to which the sheet 11 is attached on the inner peripheral surface of the annular member 12 becomes a glossy surface 12a. Therefore, molding and processing are easier than when reflective surfaces having different reflectances are directly formed on the inner peripheral surface of the annular member 12, and the manufacturing cost can be reduced. Further, a sheet 11 having a non-glossy surface 11a on the surface and having holes 11b having a width A arranged side by side at intervals of the width A is attached to the inner peripheral surface of the annular member 12. In this way, a gap 12b having a width B substantially equal to the width A is formed between both ends of the sheets 11 facing each other in the circumferential direction to expose the glossy surface 12a. As a result, the rotation angle and rotation direction of the rotation operation ring 4 when the rotation operation ring 4 is rotated can be accurately detected without being erroneously detected, and the reliability of the image pickup apparatus 1 can be improved. Can be done.
次に、本発明の第２実施形態に係る回転操作可能な操作部材について、図６（ａ）を参照して説明する。図６（ａ）は、本発明の第２実施形態に係る回転操作環２４の内周面の平面展開図である。回転操作環２４は、以下に説明する通り、上述した回転操作環４の内周面での光沢面と非光沢面の配置が逆となった構造を有する。 Next, the rotation-operable operating member according to the second embodiment of the present invention will be described with reference to FIG. 6A. FIG. 6A is a plan development view of the inner peripheral surface of the rotation operation ring 24 according to the second embodiment of the present invention. As described below, the rotation operation ring 24 has a structure in which the arrangement of the glossy surface and the non-glossy surface on the inner peripheral surface of the rotation operation ring 4 is reversed.
回転操作環２４は、環状部材２２と、環状部材２２の内周面に貼り付けられたシート２１とを有する。環状部材２２は、内周面が非光沢面２２ａに形成されている点で、上述した環状部材１２と異なるが、その他の構成は環状部材１２と同じである。 The rotation operation ring 24 has an annular member 22 and a sheet 21 attached to the inner peripheral surface of the annular member 22. The annular member 22 is different from the above-mentioned annular member 12 in that the inner peripheral surface is formed on the non-glossy surface 22a, but other configurations are the same as those of the annular member 12.
シート２１には、環状部材２２の周方向に対応する長さ方向に、所定の幅Ａの複数の孔部２１ｂが幅Ａの間隔で並んで形成されている。また、シート２１の表面は光沢面２１ａとなっている。シート２１が環状部材２２に貼り付けられた状態で、環状部材２２の周方向で対向する両端間には、幅Ｂの隙間２２ｂが形成される。回転操作環２４では、シート２１に形成された幅Ａの孔部２１ｂ及び周方向で対向する両端間に形成される幅Ｂの隙間２２ｂの各領域で、環状部材２２の非光沢面２２ａが露出している。なお、シート２１は、幅Ｂが幅Ａと略等しくなる長さに設定されている。また、回転操作環２４の内周面に設けられる光沢面２１ａと非光沢面２２ａの定義は、上述した第１実施形態での定義と同じである。 In the sheet 21, a plurality of holes 21b having a predetermined width A are formed side by side at intervals of the width A in the length direction corresponding to the circumferential direction of the annular member 22. The surface of the sheet 21 is a glossy surface 21a. In a state where the sheet 21 is attached to the annular member 22, a gap 22b having a width B is formed between both ends of the annular member 22 facing each other in the circumferential direction. In the rotation operation ring 24, the non-glossy surface 22a of the annular member 22 is exposed in each region of the hole portion 21b of the width A formed in the sheet 21 and the gap 22b of the width B formed between both ends facing each other in the circumferential direction. doing. The sheet 21 is set to a length in which the width B is substantially equal to the width A. Further, the definitions of the glossy surface 21a and the non-glossy surface 22a provided on the inner peripheral surface of the rotation operation ring 24 are the same as the definitions in the first embodiment described above.
回転操作環２４を円筒部１ｂに適用した場合に、シート２１の光沢面２１ａは、フォトリフレクタ１０ａ，１０ｂの発光部から光沢面２１ａへ投光したときの光沢面２１ａからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知可能な反射率に調整されている。一方、環状部材２２の非光沢面２２ａは、フォトリフレクタ１０ａ，１０ｂの発光部から非光沢面２２ａへ投光したときの非光沢面２２ａからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知不可能な反射率に調整されている。その結果、回転操作環２４の内周面には、光沢面と非光沢面とが、実質的に幅Ａで全周に亘って交互に設けられる。 When the rotation operation ring 24 is applied to the cylindrical portion 1b, the glossy surface 21a of the sheet 21 photoreflects the reflected light from the glossy surface 21a when the light emitting portion of the photoreflectors 10a and 10b is projected onto the glossy surface 21a. The reflectance is adjusted so that it can be detected by the light receiving portions of 10a and 10b. On the other hand, the non-glossy surface 22a of the annular member 22 detects the reflected light from the non-glossy surface 22a when the light is projected from the light emitting portion of the photoreflectors 10a and 10b to the non-glossy surface 22a by the light receiving portion of the photoreflectors 10a and 10b. Adjusted to an impossible reflectance. As a result, glossy surfaces and non-glossy surfaces are alternately provided on the inner peripheral surface of the rotation operation ring 24 over the entire circumference with substantially a width A.
したがって、回転操作環２４が回転操作されたときにフォトリフレクタ１０ａ，１０ｂから得られる波形信号は、図５（ａ），（ｂ）を参照して説明した波形信号の位相が半周期だけずれたものとなる。したがって、回転操作環２４が回転操作されたときの回転角度及び回転方向は、第１実施形態に係る回転操作環４が回転操作されたときの回転量角度及び回転方向と同様に検知可能である。よって、回転操作環２４でも、回転操作環４が奏する効果と同じ効果を得ることができる。 Therefore, the waveform signals obtained from the photoreflectors 10a and 10b when the rotation operation ring 24 is rotated are shifted in phase by half a cycle from the waveform signals described with reference to FIGS. 5A and 5B. It becomes a thing. Therefore, the rotation angle and the rotation direction when the rotation operation ring 24 is rotated can be detected in the same manner as the rotation amount angle and the rotation direction when the rotation operation ring 4 according to the first embodiment is rotated. .. Therefore, even with the rotation operation ring 24, the same effect as that of the rotation operation ring 4 can be obtained.
次に、本発明の第３実施形態に係る回転操作可能な操作部材について、図６（ｂ）を参照して説明する。図６（ｂ）は、本発明の第３実施形態に係る回転操作環３４の内周面の平面展開図である。回転操作環３４は、環状部材１２と、環状部材１２の内周面に貼り付けられたシート３１とを有する。環状部材１２は、第１実施形態で説明した環状部材１２と同じであり、その内周面は光沢面１２ａとなっている。 Next, the rotation-operable operating member according to the third embodiment of the present invention will be described with reference to FIG. 6 (b). FIG. 6B is a plan development view of the inner peripheral surface of the rotation operation ring 34 according to the third embodiment of the present invention. The rotation operation ring 34 has an annular member 12 and a sheet 31 attached to the inner peripheral surface of the annular member 12. The annular member 12 is the same as the annular member 12 described in the first embodiment, and its inner peripheral surface is a glossy surface 12a.
シート３１は、環状部材１２の周方向に対応するシート３１の長さ方向に、第１の反射領域である幅Ａの非光沢面３１ｂと第２の反射領域である幅Ａの光沢面３１ａとが交互に並べられた構成となっている。シート３１では、その長さ方向と直交する幅方向（図６（ｂ）では上下方向）において、光沢面３１ａが非光沢面３１ｂの一部に挟まれているが、幅方向端部側の非光沢面３１ｂは必ずしも必要なものではない。 The sheet 31 has a non-glossy surface 31b having a width A which is a first reflection region and a glossy surface 31a having a width A which is a second reflection region in the length direction of the sheet 31 corresponding to the circumferential direction of the annular member 12. Are arranged alternately. In the sheet 31, the glossy surface 31a is sandwiched between a part of the non-glossy surface 31b in the width direction (vertical direction in FIG. 6B) orthogonal to the length direction, but the non-glossy surface 31a is on the end side in the width direction. The glossy surface 31b is not always necessary.
シート３１としては、表面全体が非光沢面３１ｂのシートに光沢面３１ａを印刷等によって形成したもの、又は、表面全体が光沢面３１ａのシートに非光沢面３１ｂを印刷等によって形成したものを用いることができるが、これに限定されるものではない。 As the sheet 31, a sheet having a glossy surface 31a formed on a sheet having a non-glossy surface 31b on the entire surface by printing or the like, or a sheet having a non-glossy surface 31b formed on a sheet having a glossy surface 31a on the entire surface by printing or the like is used. It can, but is not limited to.
環状部材１２の内周面にシート３１が貼り付けられた状態で、環状部材１２の周方向で対向するシート３１の両端間には、幅Ｂの隙間１２ｂが形成される。シート３１は、幅Ｂが幅Ａと略等しくなる長さに設定されている。 With the sheet 31 attached to the inner peripheral surface of the annular member 12, a gap 12b having a width B is formed between both ends of the sheet 31 facing the annular member 12 in the circumferential direction. The sheet 31 is set to a length in which the width B is substantially equal to the width A.
ここで、シート３１の表面の光沢面３１ａ及び非光沢面３１ｂの各反射率と、環状部材１２の内周面の光沢面１２ａの反射率との関係について説明する。フォトリフレクタ１０ａ，１０ｂが、光沢面３１ａからの反射光は受光するが、非光沢面３１ｂからの反射光を受光することができないように、光沢面３１ａと非光沢面３１ｂの各反射率には差が設けられている必要がある。また、光沢面１２ａが露出している隙間１２ｂは、環状部材１２の周方向において非光沢面３１ｂに挟まれている必要がある。そして、フォトリフレクタ１０ａ，１０ｂが、光沢面１２ａからの反射光は受光するが、非光沢面３１ｂからの反射光を受光することができないように、光沢面１２ａと非光沢面３１ｂの各反射率にも差が設けられている必要がある。そこで、光沢面３１ａ、非光沢面３１ｂ及び光沢面１２ａの反射率は、光沢面１２ａの反射率と光沢面３１ａの反射率との差が、非光沢面３１ｂの反射率と光沢面３１ａの反射率との差よりも小さくなるように設定される。これにより、回転操作環３４が回転操作されたときにフォトリフレクタ１０ａ，１０ｂから得られる波形信号を、図５（ａ），（ｂ）を参照して説明した波形信号と同等なものとすることができる。 Here, the relationship between the reflectances of the glossy surface 31a and the non-glossy surface 31b on the surface of the sheet 31 and the reflectance of the glossy surface 12a on the inner peripheral surface of the annular member 12 will be described. The reflectances of the glossy surface 31a and the non-glossy surface 31b are set so that the photo reflectors 10a and 10b receive the reflected light from the glossy surface 31a but cannot receive the reflected light from the non-glossy surface 31b. There must be a difference. Further, the gap 12b where the glossy surface 12a is exposed needs to be sandwiched between the non-glossy surface 31b in the circumferential direction of the annular member 12. Then, the reflectances of the glossy surface 12a and the non-glossy surface 31b are obtained so that the photo reflectors 10a and 10b receive the reflected light from the glossy surface 12a but cannot receive the reflected light from the non-glossy surface 31b. Must also have a difference. Therefore, the reflectance of the glossy surface 31a, the non-glossy surface 31b, and the glossy surface 12a is such that the difference between the reflectance of the glossy surface 12a and the reflectance of the glossy surface 31a is the reflectance of the non-glossy surface 31b and the reflection of the glossy surface 31a. It is set to be smaller than the difference from the rate. As a result, the waveform signal obtained from the photoreflectors 10a and 10b when the rotation operation ring 34 is rotated is made equivalent to the waveform signal described with reference to FIGS. 5A and 5B. Can be done.
例えば、光沢面１２ａは、フォトリフレクタ１０ａ，１０ｂの発光部から光沢面１２ａへ投光したときの光沢面１２ａからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知可能な反射率に調整される。シート３１の光沢面３１ａは、光沢面１２ａと同等の反射率に調整される。一方、シート３１の非光沢面３１ｂは、フォトリフレクタ１０ａ，１０ｂの発光部から非光沢面３１ｂへ投光したときの非光沢面３１ｂからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知不可能な反射率に調整される。 For example, the glossy surface 12a is adjusted to have a reflectance that allows the light reflected from the glossy surface 12a when the light emitted from the light emitting portions of the photoreflectors 10a and 10b to the glossy surface 12a to be detected by the light receiving portion of the photoreflectors 10a and 10b. To. The glossy surface 31a of the sheet 31 is adjusted to have the same reflectance as the glossy surface 12a. On the other hand, the non-glossy surface 31b of the sheet 31 does not detect the reflected light from the non-glossy surface 31b when the light is projected from the light emitting portion of the photoreflectors 10a and 10b to the non-glossy surface 31b by the light receiving portion of the photoreflectors 10a and 10b. Adjusted to possible reflectance.
これにより、回転操作環３４が回転操作されたときの回転角度及び回転方向は、第１実施形態に係る回転操作環４が回転操作されたときの回転角度及び回転方向と同様に検知可能である。よって、回転操作環３４でも、回転操作環４が奏する効果と同じ効果を得ることができる。 As a result, the rotation angle and the rotation direction when the rotation operation ring 34 is rotated can be detected in the same manner as the rotation angle and the rotation direction when the rotation operation ring 4 according to the first embodiment is rotated. .. Therefore, even with the rotation operation ring 34, the same effect as that of the rotation operation ring 4 can be obtained.
次に、本発明の第４実施形態に係る回転操作可能な操作部材について、図６（ｃ）を参照して説明する。図６（ｃ）は、本発明の第４実施形態に係る回転操作環４４の内周面の平面展開図である。回転操作環４４は、環状部材２２と、環状部材２２の内周面に貼り付けられたシート４１とを有する。環状部材２２は、第２実施形態で説明した環状部材２２と同じであり、その内周面は非光沢面２２ａとなっている。 Next, the rotation-operable operating member according to the fourth embodiment of the present invention will be described with reference to FIG. 6 (c). FIG. 6C is a plan development view of the inner peripheral surface of the rotation operation ring 44 according to the fourth embodiment of the present invention. The rotation operation ring 44 has an annular member 22 and a sheet 41 attached to the inner peripheral surface of the annular member 22. The annular member 22 is the same as the annular member 22 described in the second embodiment, and its inner peripheral surface is a non-glossy surface 22a.
シート４１の表面には、環状部材２２の周方向に対応するシート４１の長さ方向に、第１の反射率の第１の反射領域である幅Ａの光沢面４１ａと、第２の反射率の第２の反射領域である幅Ａの非光沢面４１ｂとが、交互に並べられた構成となっている。シート４１では、その長さ方向と直交する幅方向（図６（ｃ）では上下方向）において、非光沢面４１ｂが光沢面４１ａの一部に挟まれているが、幅方向端部側の光沢面４１ａは必ずしも必要なものではない。 On the surface of the sheet 41, a glossy surface 41a having a width A, which is a first reflection region of the first reflectance, and a second reflectance in the length direction of the sheet 41 corresponding to the circumferential direction of the annular member 22. The non-glossy surface 41b having a width A, which is the second reflection region of the above, is arranged alternately. In the sheet 41, the non-glossy surface 41b is sandwiched between a part of the glossy surface 41a in the width direction orthogonal to the length direction (vertical direction in FIG. 6C), but the gloss on the end side in the width direction The surface 41a is not always necessary.
シート４１としては、全体が光沢面４１ａのシートに非光沢面４１ｂを印刷等によって形成したもの、又は、全体が非光沢面４１ｂのシートに光沢面４１ａを印刷等によって形成したものを用いることができるが、これに限定されるものではない。 As the sheet 41, a sheet having a non-glossy surface 41b formed on a sheet having a glossy surface 41a as a whole by printing or the like, or a sheet having a glossy surface 41a formed on a sheet having a non-glossy surface 41b as a whole by printing or the like can be used. Yes, but not limited to this.
環状部材２２の内周面にシート４１が貼り付けられた状態で、環状部材２２の周方向で対向するシート４１の両端間には、幅Ｂの隙間２２ｂが形成される。シート４１は、幅Ｂが幅Ａと略等しくなる長さに設定されている。 With the sheet 41 attached to the inner peripheral surface of the annular member 22, a gap 22b having a width B is formed between both ends of the sheet 41 facing the annular member 22 in the circumferential direction. The sheet 41 is set to a length in which the width B is substantially equal to the width A.
シート４１の表面の光沢面４１ａ及び非光沢面４１ｂの各反射率と、環状部材２２の内周面の非光沢面２２ａの反射率との関係は、第３実施形態で説明した、シート３１の表面の光沢面３１ａ及び非光沢面３１ｂの各反射率と環状部材１２の内周面の光沢面１２ａの反射率との関係と同じである。よって、光沢面４１ａ、非光沢面４１ｂ及び非光沢面２２ａの反射率は、非光沢面２２ａの反射率と非光沢面４１ｂの反射率との差が、非光沢面３１ｂの反射率と光沢面３１ａの反射率との差よりも小さくなるように設定される。これにより、回転操作環４４が回転操作されたときにフォトリフレクタ１０ａ，１０ｂから得られる波形信号を、図５（ａ），（ｂ）を参照して説明した波形信号の位相が半周期だけずれたものと同等にすることができる。 The relationship between the reflectances of the glossy surface 41a and the non-glossy surface 41b on the surface of the sheet 41 and the reflectance of the non-glossy surface 22a on the inner peripheral surface of the annular member 22 is described in the third embodiment of the sheet 31. The relationship between the reflectances of the glossy surface 31a and the non-glossy surface 31b on the surface and the reflectance of the glossy surface 12a on the inner peripheral surface of the annular member 12 is the same. Therefore, the reflectance of the glossy surface 41a, the non-glossy surface 41b, and the non-glossy surface 22a is such that the difference between the reflectance of the non-glossy surface 22a and the reflectance of the non-glossy surface 41b is the reflectance of the non-glossy surface 31b and the glossy surface. It is set to be smaller than the difference from the reflectance of 31a. As a result, the phase of the waveform signal obtained from the photoreflectors 10a and 10b when the rotation operation ring 44 is rotated is shifted by half a cycle as described with reference to FIGS. 5A and 5B. Can be equivalent to the one.
例えば、シート４１の光沢面４１ａは、フォトリフレクタ１０ａ，１０ｂの発光部から光沢面４１ａへ投光したときの光沢面４１ａからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知可能な反射率に調整される。一方、シート４１の両端間の隙間２２ｂで露出する非光沢面２２ａは、フォトリフレクタ１０ａ，１０ｂの発光部から非光沢面２２ａへ投光したときの非光沢面２２ａからの反射光をフォトリフレクタ１０ａ，１０ｂの受光部で検知不可能な反射率に調整される。また、シート４１の非光沢面４１ｂは、非光沢面２２ａと同等の反射率を有するように調整される。 For example, the glossy surface 41a of the sheet 41 has a reflectance that allows the light receiving portion of the photoreflectors 10a and 10b to detect the reflected light from the glossy surface 41a when the light is projected from the light emitting portion of the photoreflectors 10a and 10b to the glossy surface 41a. Is adjusted to. On the other hand, the non-glossy surface 22a exposed by the gap 22b between both ends of the sheet 41 reflects the light reflected from the non-glossy surface 22a when the light is projected from the light emitting portion of the photoreflectors 10a and 10b onto the non-glossy surface 22a. , 10b is adjusted to a reflectance that cannot be detected by the light receiving unit. Further, the non-glossy surface 41b of the sheet 41 is adjusted so as to have the same reflectance as the non-glossy surface 22a.
これにより、回転操作環４４が回転操作されたときの回転角度及び回転方向は、第１実施形態に係る回転操作環４が回転操作されたときの回転角度及び回転方向と同様に検知可能である。よって、回転操作環４４でも、回転操作環４が奏する効果と同じ効果を得ることができる。 As a result, the rotation angle and rotation direction when the rotation operation ring 44 is rotated can be detected in the same manner as the rotation angle and rotation direction when the rotation operation ring 4 according to the first embodiment is rotated. .. Therefore, even with the rotation operation ring 44, the same effect as that of the rotation operation ring 4 can be obtained.
次に、本発明の第５実施形態に係る回転操作可能な操作部材について、図７（ａ）を参照して説明する。図７（ａ）は、本発明の第５実施形態に係る回転操作環５４の内周面の平面展開図である。回転操作環５４は、環状部材１２と、環状部材１２の内周面に貼り付けられたシート５１から構成される。環状部材１２は、第１実施形態で説明した環状部材１２と同じであり、その内周面は光沢面１２ａとなっている。環状部材１２についての詳細な説明は省略する。 Next, the rotation-operable operating member according to the fifth embodiment of the present invention will be described with reference to FIG. 7A. FIG. 7A is a plan development view of the inner peripheral surface of the rotation operation ring 54 according to the fifth embodiment of the present invention. The rotation operation ring 54 is composed of an annular member 12 and a sheet 51 attached to the inner peripheral surface of the annular member 12. The annular member 12 is the same as the annular member 12 described in the first embodiment, and its inner peripheral surface is a glossy surface 12a. A detailed description of the annular member 12 will be omitted.
シート５１の表面は、非光沢面５１ａとなっている。また、シート５１には、第１実施形態で説明したシート１１と同様に、環状部材１２の周方向に対応する長さ方向に、幅Ａの孔部５１ｂが幅Ａの間隔で並べて形成されている。シート５１が環状部材１２に貼り付けられた状態で、環状部材１２の周方向で対向するシート５１の両端間には、幅Ｂの隙間１２ｂが形成される。シート５１は、幅Ｂが幅Ａと略等しくなる長さに設定されている。 The surface of the sheet 51 is a non-glossy surface 51a. Further, in the sheet 51, similarly to the sheet 11 described in the first embodiment, holes 51b having a width A are formed side by side at intervals of the width A in the length direction corresponding to the circumferential direction of the annular member 12. There is. In a state where the sheet 51 is attached to the annular member 12, a gap 12b having a width B is formed between both ends of the sheet 51 facing the annular member 12 in the circumferential direction. The sheet 51 is set to a length in which the width B is substantially equal to the width A.
シート５１の長さ方向の一方端には、他方端に向けて長さ方向に突出形成された第１の凸部５１ｃ及び第２の凸部５１ｄが設けられている。第１の凸部５１ｃ及び第２の凸部５１ｄはそれぞれ、環状部材１２の周方向に対応するシート５１の長さ方向において孔部５１ｂと並ばない位置に設けられている。具体的には、第１の凸部５１ｃ及び第２の凸部５１ｄはそれぞれ、シート５１の長さ方向と直交する幅方向の両端部（図７（ａ）では上下の端部側）に設けられ、孔部５１ｂは幅方向の中央部に設けられている。したがって、隙間１２ｂでの光沢面１２ａの露出と孔部５１ｂでの光沢面１２ａの露出を同等なものとすることができるため、回転操作環５４でのフォトリフレクタ１０ａ，１０ｂによる回転検知に支障は生じない。シート５１を環状部材１２の内周面に貼り付けたときに、第１の凸部５１ｃ及び第２の凸部５１ｄはそれぞれ、シート５１の他方の端面に向けて突出する。 At one end of the sheet 51 in the length direction, a first convex portion 51c and a second convex portion 51d are provided so as to project in the length direction toward the other end. The first convex portion 51c and the second convex portion 51d are provided at positions not aligned with the hole portion 51b in the length direction of the sheet 51 corresponding to the circumferential direction of the annular member 12, respectively. Specifically, the first convex portion 51c and the second convex portion 51d are provided at both ends in the width direction orthogonal to the length direction of the sheet 51 (upper and lower end sides in FIG. 7A), respectively. The hole 51b is provided at the center in the width direction. Therefore, the exposure of the glossy surface 12a in the gap 12b and the exposure of the glossy surface 12a in the hole 51b can be made equivalent, so that the rotation detection by the photoreflectors 10a and 10b in the rotation operation ring 54 is hindered. Does not occur. When the sheet 51 is attached to the inner peripheral surface of the annular member 12, the first convex portion 51c and the second convex portion 51d each project toward the other end surface of the sheet 51.
第１の凸部５１ｃの突出長さは、孔部５１ｂの幅Ａより短く、幅Ａの半分（Ａ／２）より長い。第２の凸部５１ｄの突出長さは、孔部５１ｂの幅Ａより長く、幅Ａの１．５倍より短い。そのため、環状部材１２の内周面にシート５１が貼り付けられた状態では、周方向において対向するシート１１の他方の端面に対して、第１の凸部５１ｃは重なることはないが、第２の凸部５１ｄと重なった状態となる。 The protruding length of the first convex portion 51c is shorter than the width A of the hole portion 51b and longer than half (A / 2) of the width A. The protruding length of the second convex portion 51d is longer than the width A of the hole portion 51b and shorter than 1.5 times the width A. Therefore, in the state where the sheet 51 is attached to the inner peripheral surface of the annular member 12, the first convex portion 51c does not overlap with the other end surface of the sheets 11 facing each other in the circumferential direction, but the second It is in a state of overlapping with the convex portion 51d of.
第１の凸部５１ｃ及び第２の凸部５１ｄは、環状部材１２の内周面にシート５１が適切に貼り付けられたか否かを判断する指標となる。例えば、第１の凸部５１ｃがシート５１の対向する端部と重なった場合には、シート５１の一部が浮いた状態で貼り付けられたことになり、シート５１の両端間の隙間１２ｂの幅Ｂが、シート５１に形成された孔部５１ｂの幅Ａより狭くなっていることになる。この場合には、回転操作環５４の回転角度や回転方向を正確に検知することができなくなるおそれがあるため、シート５１の貼り直しが必要なことがわかる。 The first convex portion 51c and the second convex portion 51d serve as indexes for determining whether or not the sheet 51 is properly attached to the inner peripheral surface of the annular member 12. For example, when the first convex portion 51c overlaps with the opposite end portion of the sheet 51, it means that a part of the sheet 51 is attached in a floating state, and the gap 12b between both ends of the sheet 51 The width B is narrower than the width A of the hole 51b formed in the sheet 51. In this case, the rotation angle and the rotation direction of the rotation operation ring 54 may not be accurately detected, so that it is necessary to reattach the sheet 51.
一方、第２の凸部５１ｄがシート５１の対向する端部と重ならなかった場合には、シート５１が縒れて貼り付けられたことになり、シート５１の両端間の隙間１２ｂの幅Ｂが、シート５１に形成された孔部５１ｂの幅Ａより広くなっていることになる。この場合も、回転操作環５４の回転角度や回転方向を正確に検知することができなくなるおそれがあるため、シート５１の貼り直しが必要なことがわかる。 On the other hand, when the second convex portion 51d does not overlap with the opposite end portion of the sheet 51, it means that the sheet 51 is twisted and attached, and the width B of the gap 12b between both ends of the sheet 51. However, the width A of the hole 51b formed in the sheet 51 is wider than the width A. In this case as well, it can be seen that the sheet 51 needs to be reattached because the rotation angle and rotation direction of the rotation operation ring 54 may not be accurately detected.
回転操作環５４は、回転操作環４と同等の効果を得ることができ、また、簡便な方法でシート５１が規定通りに環状部材１２に貼り付けられているか否かを確認することができる。 The rotation operation ring 54 can obtain the same effect as the rotation operation ring 4, and it can be confirmed by a simple method whether or not the sheet 51 is attached to the annular member 12 as specified.
なお、第１の凸部５１ｃ及び第２の凸部５１ｄの突出長さは、上述した範囲内で、部品の寸法誤差等のばらつきを考慮して設定される。具体的には、部品の寸法誤差等のばらつきが大きい場合、シート５１の長さ方向の両端間に形成される隙間１２ｂの幅Ｂを孔部５１ｂの幅Ａに可能な限り近付ける必要がある。つまり、第１の凸部５１ｃ及び第２の凸部５１ｄの突出長さを幅Ａに近付ける必要がある。この場合、シート５１の貼りずれに対する許容量は小さくなる。 The protruding lengths of the first convex portion 51c and the second convex portion 51d are set within the above-mentioned range in consideration of variations such as dimensional errors of parts. Specifically, when there are large variations such as dimensional errors of parts, it is necessary to make the width B of the gap 12b formed between both ends of the sheet 51 in the length direction as close as possible to the width A of the hole 51b. That is, it is necessary to bring the protruding lengths of the first convex portion 51c and the second convex portion 51d closer to the width A. In this case, the allowable amount for the misalignment of the sheet 51 becomes small.
一方、部品の寸法誤差等のばらつきが小さい場合、シート５１の長さ方向の両端間に形成される隙間１２ｂの幅Ｂが孔部５１ｂの幅Ａから多少ずれていても、フォトリフレクタから出力される波形信号の位相差を、誤検知が発生しない許容範囲内に納めることができる。よって、第１の凸部５１ｃは孔部５１ｂの幅Ａの半分の長さに近く、第２の凸部５１ｄは幅Ａの１．５倍の長さに近くすることができる。この場合、シート５１の貼りずれに対する許容量は大きくなる。 On the other hand, when the variation such as the dimensional error of the parts is small, even if the width B of the gap 12b formed between both ends in the length direction of the sheet 51 is slightly deviated from the width A of the hole 51b, it is output from the photo reflector. The phase difference of the waveform signal can be kept within the allowable range where false detection does not occur. Therefore, the first convex portion 51c can be close to half the length of the width A of the hole portion 51b, and the second convex portion 51d can be close to 1.5 times the length of the width A. In this case, the allowable amount for the misalignment of the sheet 51 becomes large.
第１の凸部５１ｃ及び第２の凸部５１ｄと同等の凸部を、図６（ａ），（ｂ），（ｃ）を参照して説明したシート２１，３１，４１に設けることができる。また、回転操作環５４では、シート５１の長さ方向の一方の端面に第１の凸部５１ｃと第２の凸部５１ｄを形成したが、これに限られず、一方の端面に第１の凸部５１ｃを形成し、他方の端面に第２の凸部５１ｄを形成してもよい。このとき、第１の凸部５１ｃと第２の凸部５１ｄとが、環状部材１２の周方向で重なり合わないようにする。更に、回転操作環４の光沢面と非光沢面とを逆にして回転操作環２４を構成したのと同様に、回転操作環５４の光沢面と非光沢面とを逆にしてもよい。 Convex portions equivalent to the first convex portion 51c and the second convex portion 51d can be provided on the sheets 21, 31 and 41 described with reference to FIGS. 6A, 6B and 6C. .. Further, in the rotation operation ring 54, the first convex portion 51c and the second convex portion 51d are formed on one end surface of the sheet 51 in the length direction, but the present invention is not limited to this, and the first convex portion is formed on one end surface. The portion 51c may be formed, and the second convex portion 51d may be formed on the other end face. At this time, the first convex portion 51c and the second convex portion 51d are prevented from overlapping in the circumferential direction of the annular member 12. Further, the glossy surface and the non-glossy surface of the rotation operation ring 54 may be reversed in the same manner as the rotation operation ring 24 is configured by reversing the glossy surface and the non-glossy surface of the rotation operation ring 4.
次に、本発明の第６実施形態に係る回転操作可能な操作部材について、図７（ｂ）を参照して説明する。図７（ｂ）は、本発明の第６実施形態に係る回転操作環６４の内周面の平面展開図である。回転操作環６４は、環状部材６２と、環状部材６２の内周面に貼り付けられたシート１１から構成される。シート１１は、第１実施形態で説明したシート１１と同じであるので、詳細な説明を省略する。シート１１が環状部材６２の内周面に貼り付けられた状態で、シート１１の長さ方向の両端間には、所定の幅Ｂの隙間６２ｂが形成される。 Next, the rotation-operable operating member according to the sixth embodiment of the present invention will be described with reference to FIG. 7B. FIG. 7B is a plan development view of the inner peripheral surface of the rotation operation ring 64 according to the sixth embodiment of the present invention. The rotation operation ring 64 is composed of an annular member 62 and a sheet 11 attached to the inner peripheral surface of the annular member 62. Since the sheet 11 is the same as the sheet 11 described in the first embodiment, detailed description thereof will be omitted. In a state where the sheet 11 is attached to the inner peripheral surface of the annular member 62, a gap 62b having a predetermined width B is formed between both ends of the sheet 11 in the length direction.
環状部材６２の内周面は、環状部材１２の光沢面１２ａと同様の、光沢面６２ａとなっている。また、環状部材６２の内周面には、第１のマーカ６２ｃ及び第２のマーカ６２ｄが形成されている。図７（ｂ）には、第１のマーカ６２ｃ及び第２のマーカ６２ｄとして矩形の形状を有するものを示しているが、これに限定されるものではない。第１のマーカ６２ｃ及び第２のマーカ６２ｄは、例えば、環状部材６２に形成された凹部であるが、これに限定されるものではなく、刻印や印刷（インクの塗布）によって形成されてもよいし、シールを貼り付けることによって形成されていてもよい。 The inner peripheral surface of the annular member 62 is a glossy surface 62a similar to the glossy surface 12a of the annular member 12. Further, a first marker 62c and a second marker 62d are formed on the inner peripheral surface of the annular member 62. FIG. 7B shows, but is not limited to, the first marker 62c and the second marker 62d having a rectangular shape. The first marker 62c and the second marker 62d are, for example, recesses formed in the annular member 62, but are not limited thereto, and may be formed by engraving or printing (application of ink). However, it may be formed by attaching a sticker.
第１のマーカ６２ｃ及び第２のマーカ６２ｄはそれぞれ、環状部材６２の周方向でシート１１に設けられた孔部１１ｂと並ばない位置に設けられている。具体的には、第１のマーカ６２ｃ及び第２のマーカ６２ｄはそれぞれ、環状部材６２にシート１１が貼り付けられたときのシート１１の幅方向の両端部（図７（ｂ）では上下の端部側）の近傍に設けられている。したがって、隙間６２ｂでの光沢面６２ａの露出と孔部１１ｂでの光沢面６２ａの露出を同等なものとすることができるため、回転操作環６４でのフォトリフレクタ１０ａ，１０ｂによる回転検知に支障は生じない。 The first marker 62c and the second marker 62d are provided at positions not aligned with the holes 11b provided in the sheet 11 in the circumferential direction of the annular member 62, respectively. Specifically, the first marker 62c and the second marker 62d are both upper and lower ends in the width direction of the sheet 11 when the sheet 11 is attached to the annular member 62 (upper and lower ends in FIG. 7B), respectively. It is provided in the vicinity of the part side). Therefore, the exposure of the glossy surface 62a in the gap 62b and the exposure of the glossy surface 62a in the hole 11b can be made equivalent, so that the rotation detection by the photoreflectors 10a and 10b in the rotation operation ring 64 is hindered. Does not occur.
環状部材６２の周方向での第１のマーカ６２ｃの長さ（幅）は、シート１１に形成された孔部１１ｂの周方向の幅Ａより短く、幅Ａの半分（Ａ／２）より長い。環状部材６２の周方向での第２のマーカ６２ｄの長さ（幅）は、孔部１１ｂの周方向の幅Ａより長く、幅Ａの１．５倍より短い。そのため、環状部材６２の内周面にシート１１が貼り付けられた状態では、第１のマーカ６２ｃがシート１１と重なる（シート１１で覆われる）ことはないが、第２のマーカ６２ｄの一部は、シート１１と重なる（シート１１で覆われる）。 The length (width) of the first marker 62c in the circumferential direction of the annular member 62 is shorter than the circumferential width A of the hole portion 11b formed in the sheet 11 and longer than half (A / 2) of the width A. .. The length (width) of the second marker 62d in the circumferential direction of the annular member 62 is longer than the width A in the circumferential direction of the hole portion 11b and shorter than 1.5 times the width A. Therefore, when the sheet 11 is attached to the inner peripheral surface of the annular member 62, the first marker 62c does not overlap with the sheet 11 (covered by the sheet 11), but is a part of the second marker 62d. Overlaps the sheet 11 (covered by the sheet 11).
なお、本実施形態では、第１のマーカ６２ｃ及び第２のマーカ６２ｄは、周方向での中心が環状部材６２のスラスト方向と平行な直線Ｍ上に位置するように、環状部材６２に形成されている。但し、第１のマーカ６２ｃ及び第２のマーカ６２ｄを形成する位置は、これに限定されるものではなく、少なくとも、環状部材６２のスラスト方向から見たときに第１のマーカ６２ｃが第２のマーカ６２ｄに包含される位置に形成されていればよい。 In the present embodiment, the first marker 62c and the second marker 62d are formed on the annular member 62 so that the center in the circumferential direction is located on the straight line M parallel to the thrust direction of the annular member 62. ing. However, the positions where the first marker 62c and the second marker 62d are formed are not limited to this, and at least the first marker 62c is the second marker 62c when viewed from the thrust direction of the annular member 62. It suffices if it is formed at a position included in the marker 62d.
第１のマーカ６２ｃ及び第２のマーカ６２ｄは、環状部材６２の内周面にシート１１が適切に貼り付けられたか否かを判断する指標となり、また、環状部材６２の内周面にシート１１を貼り付ける際の目印となる。例えば、第１のマーカ６２ｃの一部とシート１１の長さ方向の端部とが重なった場合、シート１１が環状部材６２に対して浮いて貼り付けられたことになる。このとき、隙間６２ｂの幅Ｂが、シート１１に形成された孔部１６ｂの幅Ａより狭くなっていることになる。この場合には、回転操作環６４の回転角度や回転方向を正確に検知することができなくなるおそれがあるため、シート１１の貼り直しが必要なことがわかる。 The first marker 62c and the second marker 62d serve as indicators for determining whether or not the sheet 11 is properly attached to the inner peripheral surface of the annular member 62, and the sheet 11 is attached to the inner peripheral surface of the annular member 62. It will be a mark when pasting. For example, when a part of the first marker 62c and the end portion of the sheet 11 in the length direction overlap, the sheet 11 is floated and attached to the annular member 62. At this time, the width B of the gap 62b is narrower than the width A of the hole 16b formed in the sheet 11. In this case, since the rotation angle and the rotation direction of the rotation operation ring 64 may not be accurately detected, it can be seen that the sheet 11 needs to be reattached.
一方、第２のマーカ６２ｄとシート１１の長さ方向の端部とが全く重なっていない場合には、シート１１が環状部材６２に対して縒れて貼り付けられたことになる。このとき、隙間６２ｂの幅Ｂが、シート１１に形成された孔部１１ｂの幅Ａより広くなっていることになる。この場合も、回転操作環６４の回転角度や回転方向を正確に検知することができなくなるおそれがあるため、シート１１の貼り直しが必要なことがわかる。 On the other hand, when the second marker 62d and the end portion of the sheet 11 in the length direction do not overlap at all, the sheet 11 is twisted and attached to the annular member 62. At this time, the width B of the gap 62b is wider than the width A of the hole portion 11b formed in the sheet 11. In this case as well, it can be seen that the sheet 11 needs to be reattached because the rotation angle and the rotation direction of the rotation operation ring 64 may not be accurately detected.
なお、環状部材６２の周方向での第１のマーカ６２ｃ及び第２のマーカ６２ｄの長さ（幅）は、上述した範囲内で部品の寸法誤差等のばらつきを考慮して、第１の凸部５１ｃ及び第２の凸部５１ｄの突出長さと同様に設定される。 The length (width) of the first marker 62c and the second marker 62d in the circumferential direction of the annular member 62 is the first convex in consideration of variations such as dimensional errors of parts within the above range. It is set in the same manner as the protruding length of the portion 51c and the second convex portion 51d.
本実施形態では、第１のマーカ６２ｃ及び第２のマーカ６２ｄを、環状部材６２の内周面にシート１１を貼り付ける際の目印にしたが、これに代えて、凸部、印刷による印刷部或いは刻印による刻印部等であってもよい。また、第１のマーカ６２ｃ及び第２のマーカ６２ｄを環状部材６２のスラスト方向においてシート１１が貼り付けられる幅の範囲内に設けたが、これに限られず、環状部材６２のスラスト方向にずれた位置に第１のマーカ６２ｃ及び第２のマーカ６２ｄを設けてもよい。 In the present embodiment, the first marker 62c and the second marker 62d are used as marks when the sheet 11 is attached to the inner peripheral surface of the annular member 62, but instead of this, a convex portion and a printing portion by printing are used. Alternatively, it may be a stamped portion or the like by stamping. Further, the first marker 62c and the second marker 62d are provided within the width range in which the sheet 11 is attached in the thrust direction of the annular member 62, but the present invention is not limited to this, and the second marker 62d is displaced in the thrust direction of the annular member 62. A first marker 62c and a second marker 62d may be provided at the positions.
以上の説明の通り、回転操作環６４でも、回転操作環４と同等の効果を得ることができ、また、簡便な方法でシート１１が規定通りに貼り付けられているか否かを確認することができる。 As described above, the rotation operation ring 64 can also obtain the same effect as the rotation operation ring 4, and it is possible to confirm whether or not the sheet 11 is attached as specified by a simple method. it can.
なお、回転操作環６４において、回転操作環２４で用いられているシート３１を環状部材６２の内周面に貼り付けた構成とすることもできる。また、環状部材６２の内周面を非光沢面として第１のマーカ６２ｃ及び第２のマーカ６２ｄを形成すると共に、シート２１，４１を環状部材６２の内周面に貼り付けた構成とすることもできる。 In the rotation operation ring 64, the sheet 31 used in the rotation operation ring 24 may be attached to the inner peripheral surface of the annular member 62. Further, the inner peripheral surface of the annular member 62 is used as a non-glossy surface to form the first marker 62c and the second marker 62d, and the sheets 21 and 41 are attached to the inner peripheral surface of the annular member 62. You can also.
＜その他の実施形態＞
以上、本発明をその好適な実施形態に基づいて詳述してきたが、本発明はこれら特定の実施形態に限られるものではなく、この発明の要旨を逸脱しない範囲の様々な形態も本発明に含まれる。更に、上述した各実施形態は本発明の一実施形態を示すものにすぎず、各実施形態を適宜組み合わせることも可能である。
<Other Embodiments>
Although the present invention has been described in detail based on the preferred embodiments thereof, the present invention is not limited to these specific embodiments, and various embodiments within the scope of the gist of the present invention are also included in the present invention. included. Further, each of the above-described embodiments is merely an embodiment of the present invention, and each embodiment can be combined as appropriate.
例えば、上記の実施形態では、回転操作可能な操作部材として、環状部材の曲面の１つである内周面に反射率の異なる面を周方向に交互に設けたものについて説明した。しかし、これに限られず、環状部材や円柱状部材の曲面である外周壁面に反射率の異なる面を周方向に交互に設けた回転操作可能な操作部材にも、本発明を適用することができる。 For example, in the above-described embodiment, as an operation member that can be rotated, a member in which surfaces having different reflectances are alternately provided in the circumferential direction on an inner peripheral surface that is one of the curved surfaces of the annular member has been described. However, the present invention is not limited to this, and the present invention can be applied to a rotation-operable operating member in which surfaces having different reflectances are alternately provided on the outer peripheral wall surface which is a curved surface of an annular member or a columnar member in the circumferential direction. ..
１ 撮像装置
３ 鏡筒
４，２４，３４，４４，５４，６４ 回転操作環
１０ａ，１０ｂ フォトリフレクタ
１１，２１，３１，４１，５１ シート
１１ａ，２２ａ，３１ｂ，４１ｂ，５１ａ 非光沢面
１１ｂ，２１ｂ，５１ｂ 孔部
１２，２２，６２ 環状部材
１２ａ，２１ａ，３１ａ，４１ａ，６２ａ 光沢面
１２ｂ，２２ｂ，６２ｂ 隙間
５１ｃ 第１の凸部
５１ｄ 第２の凸部
６２ｃ 第１のマーカ
６２ｄ 第２のマーカ
1 Imaging device 3 Lens barrel 4,24,34,44,54,64 Rotation operation ring 10a, 10b Photo reflector 11,21,31,41,51 Sheet 11a, 22a, 31b, 41b, 51a Non-glossy surface 11b, 21b , 51b Holes 12, 22, 62 Annular members 12a, 21a, 31a, 41a, 62a Glossy surfaces 12b, 22b, 62b Gap 51c First convex part 51d Second convex part 62c First marker 62d Second marker
Claims (18)
前記円周面に固定されたシートと、を備え、
前記シートの表面の反射率は前記円周面の反射率と異なり、
前記シートは、前記円周面の周方向に並ぶ複数の孔部を有し、前記孔部から前記円周面の一部が露出し、かつ、前記シートの両端が前記周方向において互いに向かい合うように、前記円周面に固定され、
前記周方向において前記シートの両端の間には、前記孔部の前記周方向の幅と略等しい幅を有する隙間が設けられ、
前記隙間では前記円周面が露出していることを特徴とする操作部材。 An annular member having a circular peripheral surface,
With a sheet fixed to the circumferential surface,
Reflectance of the surface of the sheet is different from the reflectance before Symbol circumferential surface,
The sheet has a plurality of holes arranged in the circumferential direction of the circumferential surface so that a part of the circumferential surface is exposed from the holes and both ends of the sheet face each other in the circumferential direction. Is fixed to the circumferential surface
In the circumferential direction, a gap having a width substantially equal to the width of the hole in the circumferential direction is provided between both ends of the sheet .
An operating member characterized in that the circumferential surface is exposed in the gap.
前記第１の凸部および前記第２の凸部は、前記周方向において前記複数の孔部と並ばず、
前記第１の凸部の突出長さは前記周方向における前記隙間の幅より短く、且つ、前記第２の凸部の突出長さは前記周方向における前記隙間の幅より長く、
前記第１の凸部が前記シートの前記他方の端と重なることなく、且つ、前記第２の凸部が前記シートの前記他方の端と重なるように、前記シートは前記円周面に固定されていることを特徴とする請求項１乃至３のいずれか１項に記載の操作部材。 The sheet has a first convex portion and a second convex portion formed so as to project from one end in the circumferential direction toward the other end.
The first convex portion and the second convex portion do not line up with the plurality of holes in the circumferential direction.
The protruding length of the first convex portion is shorter than the width of the gap in the circumferential direction, and the protruding length of the second convex portion is longer than the width of the gap in the circumferential direction.
The sheet is fixed to the circumferential surface so that the first convex portion does not overlap the other end of the sheet and the second convex portion overlaps the other end of the sheet. The operating member according to any one of claims 1 to 3, wherein the operating member is characterized by the above.
前記第１のマーカの前記周方向における幅は前記周方向における前記隙間の幅より短く、且つ、前記第２のマーカの前記周方向における幅は前記周方向における前記隙間の幅より長く、
前記シートは、前記第１のマーカと重ならず、且つ、前記第２のマーカと重なるように、前記円周面に固定されていることを特徴とする請求項１乃至３のいずれか１項に記載の操作部材。 A first marker and a second marker are formed on the circumferential surface in the gap, and the first marker and the second marker do not line up with the plurality of holes in the circumferential direction.
The width of the first marker in the circumferential direction is shorter than the width of the gap in the circumferential direction, and the width of the second marker in the circumferential direction is longer than the width of the gap in the circumferential direction.
One of claims 1 to 3, wherein the sheet is fixed to the circumferential surface so as not to overlap with the first marker and to overlap with the second marker. The operating member described in.
前記円周面に固定されたシートと、を備え、
前記シートは、第１の反射率を有する第１の反射領域と、前記第１の反射率と異なる第２の反射率を有する第２の反射領域と、を含み、前記第１の反射領域と前記第２の反射領域とが前記円周面の周方向に交互に並び、且つ、前記周方向において前記シートの両端が互いに向かい合うように前記円周面に固定され、
前記シートの前記周方向での両端の間には、前記周方向の幅が前記第２の反射領域の前記周方向の幅と略等しい隙間が設けられ、
前記隙間は前記周方向において前記シートの前記第１の反射領域に挟まれ、且つ、前記隙間では前記円周面が露出しており、
前記円周面の反射率と前記第２の反射率との差が前記第１の反射率と前記第２の反射率との差より小さいことを特徴とする操作部材。 An annular member having a circular peripheral surface,
With a sheet fixed to the circumferential surface,
The sheet includes a first reflection region having a first reflectance and a second reflection region having a second reflectance different from the first reflectance, and includes the first reflection region and the first reflection region. The second reflective regions are alternately arranged in the circumferential direction of the circumferential surface, and are fixed to the circumferential surface so that both ends of the sheet face each other in the circumferential direction.
A gap is provided between both ends of the sheet in the circumferential direction so that the width in the circumferential direction is substantially equal to the width in the circumferential direction of the second reflection region.
The gap is sandwiched between the first reflective regions of the sheet in the circumferential direction , and the circumferential surface is exposed in the gap.
An operating member characterized in that the difference between the reflectance of the circumferential surface and the second reflectance is smaller than the difference between the first reflectance and the second reflectance.
前記円周面に固定されたシートと、
前記シートに向けて照射した光の反射光に基づいて信号を出力する出力手段と、を備え、
前記シートの表面の反射率は前記円周面の反射率と異なり、
前記シートは、前記円周面の周方向に並ぶ複数の孔部を有し、前記孔部から前記円周面の一部が露出し、且つ、前記シートの両端が前記周方向において互いに向かい合うように前記円周面に固定され、
前記周方向において前記シートの両端の間には、前記孔部の前記周方向の幅と略等しい幅を有する隙間が設けられ、
前記隙間では前記円周面が露出していることを特徴とする電子機器。 An annular member having a circular peripheral surface,
A seat secured to said circumferential surface,
An output means for outputting a signal based on the reflected light of the light emitted toward the sheet is provided.
Reflectance of the surface of the sheet is different from the reflectance before Symbol circumferential surface,
The sheet has a plurality of holes arranged in the circumferential direction of the circumferential surface so that a part of the circumferential surface is exposed from the holes and both ends of the sheet face each other in the circumferential direction. Is fixed to the circumferential surface
In the circumferential direction, a gap having a width substantially equal to the width of the hole in the circumferential direction is provided between both ends of the sheet .
An electronic device characterized in that the circumferential surface is exposed in the gap.
前記第１の凸部および前記第２の凸部は、前記周方向において前記複数の孔部と並ばず、
前記第１の凸部の突出長さは前記周方向における前記隙間の幅より短く、且つ、前記第２の凸部の突出長さは前記周方向における前記隙間の幅より長く、
前記第１の凸部が前記シートの前記他方の端と重なることなく、且つ、前記第２の凸部が前記シートの前記他方の端と重なるように、前記シートは前記円周面に固定されていることを特徴とする請求項１０乃至１２のいずれか１項に記載の電子機器。 The sheet has a first convex portion and a second convex portion formed so as to project from one end in the circumferential direction toward the other end.
The first convex portion and the second convex portion do not line up with the plurality of holes in the circumferential direction.
The protruding length of the first convex portion is shorter than the width of the gap in the circumferential direction, and the protruding length of the second convex portion is longer than the width of the gap in the circumferential direction.
The sheet is fixed to the circumferential surface so that the first convex portion does not overlap the other end of the sheet and the second convex portion overlaps the other end of the sheet. The electronic device according to any one of claims 10 to 12 , wherein the electronic device is characterized by the above.
前記第１のマーカの前記周方向における幅は前記周方向における前記隙間の幅より短く、且つ、前記第２のマーカの前記周方向における幅は前記周方向における前記隙間の幅より長く、
前記シートは、前記第１のマーカと重ならず、且つ、前記第２のマーカと重なるように、前記円周面に固定されていることを特徴とする請求項１０乃至１２のいずれか１項に記載の電子機器。 A first marker and a second marker are formed on the circumferential surface in the gap, and the first marker and the second marker do not line up with the plurality of holes in the circumferential direction.
The width of the first marker in the circumferential direction is shorter than the width of the gap in the circumferential direction, and the width of the second marker in the circumferential direction is longer than the width of the gap in the circumferential direction.
Any one of claims 10 to 12 , wherein the sheet is fixed to the circumferential surface so as not to overlap with the first marker and to overlap with the second marker. Electronic devices described in.
前記円周面に固定されたシートと、
前記シートに向けて照射した光の反射光に基づいて信号を出力する出力手段と、を備え、
前記シートは、第１の反射率を有する第１の反射領域と、前記第１の反射率と異なる第２の反射率を有する第２の反射領域と、を含み、前記第１の反射領域と前記第２の反射領域とが前記円周面の周方向に交互に並び、且つ、前記周方向において前記シートの両端が互いに向かい合うように前記円周面に固定され、
前記シートの前記周方向での両端の間には、前記周方向の幅が前記第２の反射領域の前記周方向の幅と略等しい隙間が設けられ、
前記隙間は前記周方向において前記シートの前記第１の反射領域に挟まれ、且つ、前記隙間では前記円周面が露出しており、
前記円周面の反射率と前記第２の反射率との差が前記第１の反射率と前記第２の反射率との差より小さいことを特徴とする電子機器。 An annular member having a circular peripheral surface,
A seat secured to said circumferential surface,
An output means for outputting a signal based on the reflected light of the light emitted toward the sheet is provided.
The sheet includes a first reflection region having a first reflectance and a second reflection region having a second reflectance different from the first reflectance, and includes the first reflection region and the first reflection region. The second reflective regions are alternately arranged in the circumferential direction of the circumferential surface, and are fixed to the circumferential surface so that both ends of the sheet face each other in the circumferential direction.
A gap is provided between both ends of the sheet in the circumferential direction so that the width in the circumferential direction is substantially equal to the width in the circumferential direction of the second reflection region.
The gap is sandwiched between the first reflective regions of the sheet in the circumferential direction , and the circumferential surface is exposed in the gap.
An electronic device characterized in that the difference between the reflectance of the circumferential surface and the second reflectance is smaller than the difference between the first reflectance and the second reflectance.
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| JP6973398B2 (en) * | 2016-09-13 | 2021-11-24 | ソニーグループ株式会社 | Lens device |
| JP7098488B2 (en) * | 2018-09-07 | 2022-07-11 | キヤノン株式会社 | Rotation detector and equipment equipped with it |
| US11480448B2 (en) | 2018-09-07 | 2022-10-25 | Canon Kabushiki Kaisha | Rotation detection apparatus, operation apparatus, lens apparatus and image pickup apparatus |
| JP7374628B2 (en) * | 2018-09-21 | 2023-11-07 | キヤノン株式会社 | Imaging equipment, optics, and accessory equipment |
| KR20200129578A (en) | 2019-05-09 | 2020-11-18 | 강민구 | Self-locking device for Implant and the Abutment which is combined with the device |
| CN111586216B (en) * | 2020-04-30 | 2021-06-25 | 维沃移动通信有限公司 | Folder terminal, folder state determining method and apparatus, and computer-readable storage medium |
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| US5267088A (en) * | 1989-11-10 | 1993-11-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Code plate mounting device |
| JP2516837Y2 (en) * | 1989-11-10 | 1996-11-13 | 旭光学工業株式会社 | Code plate mounting structure |
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| DE10211155A1 (en) * | 2002-03-14 | 2003-09-25 | Heidenhain Gmbh Dr Johannes | Annular scale fabricating method, involves welding of measuring strip ends that bears scale division marks and material pressing transversely to longitudinal direction of measuring strip to lengthen marks |
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| JP2016110070A (en) | 2016-06-20 |
| JP2019207440A (en) | 2019-12-05 |
| TW201623923A (en) | 2016-07-01 |
| KR20160065752A (en) | 2016-06-09 |
| CN105652563B (en) | 2020-02-07 |
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| TWI582394B (en) | 2017-05-11 |
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