JP4321204B2 - Imaging device and portable terminal equipped with the imaging device - Google Patents

Imaging device and portable terminal equipped with the imaging device Download PDF

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JP4321204B2
JP4321204B2 JP2003349192A JP2003349192A JP4321204B2 JP 4321204 B2 JP4321204 B2 JP 4321204B2 JP 2003349192 A JP2003349192 A JP 2003349192A JP 2003349192 A JP2003349192 A JP 2003349192A JP 4321204 B2 JP4321204 B2 JP 4321204B2
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imaging
cam
imaging device
optical system
lens
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JP2005115036A (en
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睦 杉浦
正 斉藤
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Konica Minolta Opto Inc
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Konica Minolta Opto Inc
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Priority to JP2003349192A priority Critical patent/JP4321204B2/en
Priority to EP04747354A priority patent/EP1643282A4/en
Priority to PCT/JP2004/009886 priority patent/WO2005003835A1/en
Priority to KR1020067000252A priority patent/KR101092124B1/en
Priority to US10/562,530 priority patent/US7656452B2/en
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Description

本発明は、撮像装置に関し、特に携帯端末等に内蔵される小型で薄型のマクロ撮影可能な撮像装置に関するものである。   The present invention relates to an imaging apparatus, and more particularly to a small and thin imaging apparatus capable of macro photography that is built in a portable terminal or the like.

従来より小型で薄型の撮像装置が、携帯電話機やPDA(Personal Digital Assistant)等の小型、薄型の電子機器である携帯端末に搭載されるようになり、これにより遠隔地へ音声情報だけでなく画像情報も相互に伝送することが可能となっている。   Smaller and thinner imaging devices than ever before are now mounted on portable terminals, which are small and thin electronic devices such as mobile phones and PDAs (Personal Digital Assistants). Information can also be transmitted between each other.

これらの撮像装置に使用される撮像素子としては、CCD(Charge Coupled Device)型イメージセンサやCMOS(Complementary Metal−Oxide Semiconductor)型イメージセンサ等の固体撮像素子が使用されている。   As an image pickup element used in these image pickup apparatuses, a solid-state image pickup element such as a CCD (Charge Coupled Device) type image sensor or a CMOS (Complementary Metal-Oxide Semiconductor) type image sensor is used.

これらの固体撮像素子は、そのままでは赤外光領域まで分光感度を有するため、被写体光が撮像素子に到達する前に、赤外光領域をカットすることがおこなわれている。   Since these solid-state imaging devices have spectral sensitivity up to the infrared light region as they are, the infrared light region is cut before the subject light reaches the imaging device.

この赤外光のカットに関して、撮像レンズの前に赤外光カットフィルタを配置したものがある(例えば、特許文献1参照)。   Regarding this infrared light cut, there is one in which an infrared light cut filter is arranged in front of an imaging lens (see, for example, Patent Document 1).

また、これらの撮像装置は、より機能の充実を目指し、撮像光学系を固定して深い被写界深度を利用したパンフォーカス撮影のみならず、撮像光学系を移動させマクロ撮影を可能としたものも市販されるようになってきた。   In addition, these imaging devices aim for further enhancement of functions, enabling not only pan focus shooting using a deep depth of field by fixing the imaging optical system, but also macro shooting by moving the imaging optical system. Has also become commercially available.

これら、マクロ撮影を可能とした撮像装置として、撮影レンズと筒状のホルダーに、突起と傾斜溝を相互に形成し、撮影レンズを回動させることにより撮影レンズを光軸方向に移動させ、組み立て時のピント調整をおこない、さらにこの傾斜溝を利用して近接撮影を可能とするものが開示されている(例えば、特許文献2参照)。
特開2002−341218号公報 特開2002−82271号公報
As an imaging device that enables macro photography, the projection lens and the cylindrical holder are formed with protrusions and inclined grooves, and the photographing lens is rotated to move the photographing lens in the optical axis direction for assembly. There is disclosed an apparatus that adjusts the focus of time and enables close-up photography using this inclined groove (see, for example, Patent Document 2).
JP 2002-341218 A JP 2002-82271 A

これら携帯端末に内蔵される撮像装置は、搭載する機器の薄型化に伴い極力薄くすることが求められている。   The imaging devices built in these portable terminals are required to be as thin as possible as the equipment to be mounted is made thinner.

これに対し、特許文献1に記載された撮像装置は撮像レンズの前に赤外光カットフィルタを配置しているため、撮像装置の全長として、撮像レンズのみならず赤外光カットフィルタの厚みが加わることになり、全長即ち厚みが増加する問題がある。   On the other hand, since the imaging device described in Patent Document 1 has an infrared light cut filter disposed in front of the imaging lens, the total length of the imaging device includes not only the imaging lens but also the thickness of the infrared light cut filter. There is a problem that the total length, that is, the thickness increases.

また、特許文献2に記載された撮像装置は、赤外光をカットする方法に関する記載が無く、どのように赤外光を遮断するのか不明である。   Moreover, the imaging device described in Patent Document 2 has no description regarding a method of cutting infrared light, and it is unclear how to block infrared light.

本発明は上記問題に鑑み、マクロ撮影のために撮影光学系を移動可能でありながら、薄型化した撮像装置及びこれを備えた携帯端末を得ることを目的とするものである。   SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to obtain a thin imaging device and a portable terminal including the imaging device that can move a photographing optical system for macro photography.

上記の課題は、以下のようにすることで解決される。   The above-described problem can be solved as follows.

1) 被写体光を光電変換する撮像素子と、該撮像素子の光電変換領域に被写体光を導く撮像光学系と、該撮像光学系の光学有効面以外の部位に形成された当接部と当接するカム面を有するカム部材と、を有し、前記カム部材は、透光性の材料で形成された透光部を有し、該透光部のうち前記カム面が形成されている側と同じ側の面を、少なくともその周面部が前記カム面よりも突出して位置するように形成し、該面に赤外カットコーティングを施したことを特徴とする撮像装置。   1) An image sensor that photoelectrically converts subject light, an imaging optical system that guides the subject light to the photoelectric conversion region of the image sensor, and an abutting portion that is formed on a portion other than the optically effective surface of the imaging optical system A cam member having a cam surface, the cam member having a light-transmitting portion formed of a light-transmitting material, the same as the side of the light-transmitting portion on which the cam surface is formed An image pickup apparatus, wherein the side surface is formed such that at least a peripheral surface portion thereof is positioned so as to protrude from the cam surface, and an infrared cut coating is applied to the surface.

2) 前記透光部は、前記撮像素子の光電変換側を覆うように前記カム部材に形成されるとともに、前記カム部材は、前記撮像素子に当接する脚部を備え、該脚部が前記撮像素子と当接した状態で固定され、前記撮像光学系は、付勢部材により前記撮像素子方向に付勢されて、前記当接部で前記カム部材の前記カム面と当接している1)の撮像装置。   2) The translucent portion is formed on the cam member so as to cover the photoelectric conversion side of the imaging element, and the cam member includes a leg portion that comes into contact with the imaging element, and the leg portion is the imaging unit. The imaging optical system is fixed in a state of being in contact with the element, and is biased in the direction of the imaging element by a biasing member, and is in contact with the cam surface of the cam member at the contact portion 1) Imaging device.

3) 前記赤外カットコーティングを施した面は、前記透光部の被写体光入射側の面であり、該面を凹面とした1)又は2)の撮像装置。   3) The imaging apparatus according to 1) or 2), wherein the surface on which the infrared cut coating is applied is a surface on the subject light incident side of the light transmitting portion, and the surface is a concave surface.

4) 1)〜3)のいずれかの撮像装置を備えたことを特徴とする携帯端末。   4) A portable terminal comprising the imaging device according to any one of 1) to 3).

本発明の、撮像素子と、撮像光学系と、撮像光学系の光学有効面以外の部位に形成された当接部と当接するカム面を有するカム部材と、を有し、カム部材は、透光性の材料で形成された透光部を有し、透光部のうちカム面が形成されている側と同じ側の面を、少なくともその周面部がカム面よりも突出して位置するように形成し、赤外光カットコーティングを施すことで、撮像光学系後方のカム部材に一体で赤外光カット機能を受け持たせることができ、薄型化した撮像装置が得られると共に、透光部の被写体光入射側の面をカム面より高く形成することにより、コーティング装置内でカム部材を保持する治具から被コーティング面を露出しやすくし、均一に膜を形成することが可能となる。加えて、カム部へのコーティングがされるのを防止でき、摩耗等による塵の発生を防止することも可能となる。   The image pickup device of the present invention, an image pickup optical system, and a cam member having a cam surface that comes into contact with a contact portion formed in a part other than the optically effective surface of the image pickup optical system. It has a light-transmitting part formed of a light-sensitive material, and at least a peripheral surface part of the light-transmitting part on the same side as the side where the cam surface is formed is positioned so as to protrude from the cam surface. By forming and applying infrared light cut coating, the cam member behind the imaging optical system can be integrated with the infrared light cutting function, and a thin imaging device can be obtained, and By forming the surface on the object light incident side higher than the cam surface, the surface to be coated can be easily exposed from the jig holding the cam member in the coating apparatus, and a film can be formed uniformly. In addition, it is possible to prevent the cam portion from being coated and to prevent generation of dust due to wear or the like.

また、透光部は、撮像素子の光電変換側を覆うようにカム部材に形成されるとともに、カム部材は、撮像素子に当接する脚部を備え、脚部が撮像素子と当接した状態で固定され、撮像光学系は、付勢部材により撮像素子方向に付勢されて、当接部でカム部材のカム面と当接するようにすることで、撮像光学系の光軸方向の位置決めに関し介在部品を最少にでき、低コスト化でき、加えて、組み立て後の焦点位置精度を向上させることができる。   The translucent portion is formed on the cam member so as to cover the photoelectric conversion side of the image sensor, and the cam member includes a leg portion that contacts the image sensor, and the leg portion is in contact with the image sensor. The imaging optical system is fixed and urged in the direction of the imaging element by the urging member so that the imaging optical system is in contact with the cam surface of the cam member at the contact portion, thereby interposing the imaging optical system in the optical axis direction. The number of parts can be minimized, the cost can be reduced, and the focus position accuracy after assembly can be improved.

また、赤外カットコーティングを施す面は、透光部の被写体光入射側の面であり、この面を凹面とことにより、撮像光学系の最終面から射出される被写体光束の周辺部の光束の傾きに対して、被コーティング面への入射角を減少させることができ、誘電体多層膜への入射角の変化による、分光透過率の変化を抑制することができる。   The surface on which the infrared cut coating is applied is the surface on the subject light incident side of the translucent portion. By making this surface concave, the light flux in the peripheral portion of the subject light beam emitted from the final surface of the imaging optical system is reduced. With respect to the inclination, the incident angle on the coated surface can be reduced, and the change in spectral transmittance due to the change in the incident angle on the dielectric multilayer film can be suppressed.

更に、上記の撮像装置を備えた携帯端末とすることにより、薄型化した、マクロ撮影可能な携帯端末を得ることが可能となる。   Furthermore, by using a portable terminal provided with the above-described imaging device, a thin portable terminal capable of macro photography can be obtained.

以下、実施の形態により本発明を詳しく説明するが、本発明はこれに限定されるものではない。   Hereinafter, the present invention will be described in detail with reference to embodiments, but the present invention is not limited thereto.

図1は、本発明の撮像装置を備えた携帯端末の一例である携帯電話機Tの外観図である。   FIG. 1 is an external view of a mobile phone T which is an example of a mobile terminal provided with the imaging device of the present invention.

同図に示す携帯電話機Tは、表示画面Dを備えたケースとしての上筐体71と、操作ボタンPを備えた下筐体72とがヒンジ73を介して連結されている。撮像装置Sは、上筐体71内の表示画面Dの下方に内蔵されており、上筐体71の外表面側から被写体光を取り込めるよう配置されている。また、上筐体71内の表示画面Dの下方には、手動操作部材75が配置されている。   In the mobile phone T shown in the figure, an upper casing 71 as a case having a display screen D and a lower casing 72 having an operation button P are connected via a hinge 73. The imaging device S is built under the display screen D in the upper casing 71 and is arranged so as to capture subject light from the outer surface side of the upper casing 71. A manual operation member 75 is disposed below the display screen D in the upper housing 71.

なお、この撮像装置Sの位置は上筐体71内の表示画面Dの上方に配置してもよい。また携帯電話機は折りたたみ式に限るものではない。   Note that the position of the imaging device S may be arranged above the display screen D in the upper casing 71. Further, the mobile phone is not limited to a folding type.

(第1の実施の形態)
以下、第1の実施の形態について説明する。
(First embodiment)
Hereinafter, the first embodiment will be described.

図2は、本発明に係る撮像装置100の斜視図である。この撮像装置100が図1に示す撮像装置Sの位置に内蔵されるものである。   FIG. 2 is a perspective view of the imaging apparatus 100 according to the present invention. This imaging apparatus 100 is built in the position of the imaging apparatus S shown in FIG.

同図に示すように撮像装置100の外表面は、撮像素子の実装されたプリント基板11と、携帯端末の他の制御基板に接続のためのコネクタ17、ベース部材12、開口部13kを有する蓋部材13と化粧板14、回動させるための操作部15sが形成された回動部材15で構成されている。操作部15sは、図1に示す手動操作部材75と内部で機械的に連結され、手動操作部材75に連動して回動部材15は回動するよう構成されている。またプリント基板11上には、図示しないが各種の抵抗、コンデンサ等の電気部品が実装されている。   As shown in the figure, the outer surface of the imaging device 100 is a lid having a printed circuit board 11 on which an imaging element is mounted, a connector 17 for connection to another control board of the mobile terminal, a base member 12, and an opening 13k. The member 13, the decorative plate 14, and the rotation member 15 formed with an operation portion 15 s for rotation are formed. The operation unit 15 s is mechanically coupled to the manual operation member 75 shown in FIG. 1 inside, and the rotation member 15 is configured to rotate in conjunction with the manual operation member 75. On the printed circuit board 11, various electrical components such as resistors and capacitors are mounted (not shown).

この撮像装置100は、携帯端末に内蔵されるに際し、蓋部材13もしくは化粧板14に、ゴムのOリング等を介してカバーガラスに押しつけられるように組み込まれる。このため、携帯端末に内蔵後は、この開口部13kから塵が侵入することは無い。また、携帯端末への内蔵前はシート材等で開口部13kは遮蔽され、塵の侵入を防止している。   When the imaging apparatus 100 is built in a portable terminal, the imaging apparatus 100 is incorporated into the cover member 13 or the decorative plate 14 so as to be pressed against the cover glass via a rubber O-ring or the like. For this reason, dust does not enter through the opening 13k after being incorporated in the portable terminal. Further, the opening 13k is shielded by a sheet material or the like before being incorporated in the portable terminal, thereby preventing dust from entering.

図3は、本発明の撮像装置100の内部構造を示す概略の断面図である。同図は図1に示すF−F線で切断して、その断面を示したもので、撮像光学系の光軸Oを境に、右側は撮像光学系の焦点を過焦点距離に合わせた状態を示し、左側は撮像光学系の焦点を被写体側に所定量移動させ近距離に焦点を合わせたマクロ撮影時の状態を示している。以下の図においては、説明の重複を避けるため、同機能部品には同符号を付与し説明する。なお、以下の説明は、図3(a)を用いて説明する。   FIG. 3 is a schematic cross-sectional view showing the internal structure of the imaging apparatus 100 of the present invention. This figure shows a cross section taken along the line FF shown in FIG. 1, with the optical axis O of the imaging optical system as a boundary and the right side of the imaging optical system in focus on the hyperfocal length. The left side shows a macro shooting state in which the focus of the imaging optical system is moved by a predetermined amount to the subject side and the focus is adjusted to a short distance. In the following drawings, the same functional parts are given the same reference numerals in order to avoid duplication of explanation. In addition, the following description is demonstrated using Fig.3 (a).

同図(a)に示すように、撮像装置100の内部は、第1レンズ1、第2レンズ2、第3レンズ3、と各レンズに取り付けられた絞りで構成された撮像光学系50と、第3レンズの光学有効面以外の像面側に一体で形成された3箇所の突起部3d(当接部)と当接する位置にカム部7cを形成したカム部材7、プリント基板11に実装された撮像素子8が配置されている。   As shown in FIG. 2A, the imaging apparatus 100 includes an imaging optical system 50 including a first lens 1, a second lens 2, a third lens 3, and a diaphragm attached to each lens. Mounted on a printed circuit board 11 and a cam member 7 having cam portions 7c formed at positions that come into contact with three protrusions 3d (contact portions) integrally formed on the image surface side other than the optically effective surface of the third lens. An image sensor 8 is arranged.

図示のように第1レンズ1、第2レンズ2、第3レンズ3は、光学有効面以外のフランジ部で相互に当接され、接着剤等で互いに固着することで一体にユニット化されており、他の部材を介さず構成することで、相互のレンズ間隔を誤差無く組み立てることができるようになっている。   As shown in the figure, the first lens 1, the second lens 2, and the third lens 3 are brought into contact with each other at a flange portion other than the optically effective surface, and are united together by being fixed to each other with an adhesive or the like. By constructing without any other member, the mutual lens interval can be assembled without error.

カム部材7は、透光性の材料が用いられ、撮像素子の光電変換面側を覆うように形成された被写体光束の透光部7aを有し、この透光部7aの面7b1、7b2のうち被写体光入射側の面7b1をカム面より突出した位置に形成すると共に、赤外光カットコーティングが施されている。また、カム部材7には脚部7dが複数箇所一体で形成され、撮像素子8の光電変換面側の光電変換面以外の領域に当接している。   The cam member 7 is made of a translucent material, and has a translucent portion 7a for a subject light beam formed so as to cover the photoelectric conversion surface side of the image pickup device. The cam member 7 has surfaces 7b1 and 7b2 of the translucent portion 7a. Among them, the surface 7b1 on the object light incident side is formed at a position protruding from the cam surface, and infrared light cut coating is applied. The cam member 7 is integrally formed with a plurality of leg portions 7 d and is in contact with a region other than the photoelectric conversion surface on the photoelectric conversion surface side of the image sensor 8.

このように脚部7dを撮像素子8に当接させることで、撮像光学系50の光軸方向の位置を決めるカム面の、撮像素子8に対する位置が正確に決められる。   Thus, the position of the cam surface that determines the position of the image pickup optical system 50 in the optical axis direction with respect to the image pickup element 8 is accurately determined by bringing the leg 7d into contact with the image pickup element 8.

一体にユニット化された撮像光学系50は、第3レンズ3のフランジ部が付勢部材である圧縮コイルバネ9により撮像素子8方向に付勢される。これにより、撮像光学系50は、カム部材7を介し、撮像素子8との光軸方向の間隔が決められている。   The imaging optical system 50 unitized as a unit is urged in the direction of the imaging element 8 by a compression coil spring 9 whose flange portion of the third lens 3 is an urging member. Thereby, the imaging optical system 50 determines the distance in the optical axis direction from the imaging element 8 via the cam member 7.

カム部材7は、ベース部材12の内側で嵌合して接着剤により接着され保持されている。また、ベース部材12には、撮像光学系50を内包する外枠部材16が組み付けられる。この外枠部材16の外側面には、回動部材15が回動可能に組み付けられる。この回動部材15は、内側に一体で形成された係合部15tが第3レンズ3の係合部3tと係合するよう組み付けられる。蓋部材13は、圧縮コイルバネ9の組み込み後に外枠部材16に組み付けられる。   The cam member 7 is fitted inside the base member 12 and bonded and held by an adhesive. Further, the outer frame member 16 that includes the imaging optical system 50 is assembled to the base member 12. A rotating member 15 is rotatably mounted on the outer surface of the outer frame member 16. The rotating member 15 is assembled so that the engaging portion 15 t formed integrally on the inside engages with the engaging portion 3 t of the third lens 3. The lid member 13 is assembled to the outer frame member 16 after the compression coil spring 9 is assembled.

また、外枠部材16には開口部が形成され、回動部材15に形成された係合部15tが回動する領域となっている。この開口部は、図示のように、回動部材15によって、遮蔽されている(図3の光軸Oより右側参照)。   Further, an opening is formed in the outer frame member 16, and this is a region in which the engaging portion 15 t formed in the rotating member 15 rotates. As shown in the figure, the opening is shielded by the rotating member 15 (see the right side from the optical axis O in FIG. 3).

即ち、外枠部材16の外側で支持された回動部材15の操作部15sを回動させることにより回動部材15に形成された係合部15tは回動する。これに伴い係合部15tに係合する第3レンズ3、即ち撮像光学系50も回動し、第3レンズ3の突起部3dが、カム部材7のカム部7c上のカム面に沿って移動することにより、圧縮コイルバネ9の付勢力に抗して、光軸O方向に移動し、近距離に焦点の合ったマクロ撮影の状態となる(図3の光軸Oより左側参照)。この時、撮像光学系50は、図示のように第3レンズ3のフランジ部外周が外枠部材16の内側で嵌合され、この嵌合部により光軸O方向に案内されるようになっている。   That is, the engaging portion 15t formed on the rotating member 15 is rotated by rotating the operation portion 15s of the rotating member 15 supported on the outside of the outer frame member 16. Accordingly, the third lens 3 that engages with the engaging portion 15t, that is, the imaging optical system 50 also rotates, and the protrusion 3d of the third lens 3 extends along the cam surface on the cam portion 7c of the cam member 7. By moving, the lens moves in the direction of the optical axis O against the urging force of the compression coil spring 9 and is in a macro photography state focused on a short distance (see the left side of the optical axis O in FIG. 3). At this time, in the imaging optical system 50, the outer periphery of the flange portion of the third lens 3 is fitted inside the outer frame member 16 as shown in the figure, and is guided in the optical axis O direction by this fitting portion. Yes.

更に、各部材の斜視図である図4〜図9を用いて、本発明の撮像装置をより詳しく説明する。   Further, the imaging apparatus of the present invention will be described in more detail with reference to FIGS. 4 to 9 which are perspective views of the respective members.

図4は、ベース部材12の斜視図である。同図は、ベース部材12を撮像素子8の実装されたプリント基板11上に組み付けた状態を示している。   FIG. 4 is a perspective view of the base member 12. The figure shows a state in which the base member 12 is assembled on the printed circuit board 11 on which the image sensor 8 is mounted.

ベース部材12は、プリント基板11上に実装された撮像素子8の位置を、治具上に備えられたTVカメラで確認して、撮像素子8に対する位置が所定の位置となるように載置され、全外周部を例えば紫外線硬化型の接着剤を用いてプリント基板11に接着固定される。   The base member 12 is placed so that the position of the image pickup device 8 mounted on the printed circuit board 11 is confirmed by a TV camera provided on a jig, and the position with respect to the image pickup device 8 becomes a predetermined position. The entire outer peripheral portion is bonded and fixed to the printed circuit board 11 using, for example, an ultraviolet curable adhesive.

図示のように、ベース部材12は、2箇所の凹部12hと4箇所の接着剤溜まり部12sが形成されている。なお凹部12hが対称位置に2箇所形成されているのは、このベース部材12が組み付け時に180度回転していても組み付け可能に、組み付け時の自由度を増加させるためである。   As shown in the drawing, the base member 12 is formed with two concave portions 12h and four adhesive reservoir portions 12s. The two concave portions 12h are formed at symmetrical positions in order to increase the degree of freedom during assembly so that the base member 12 can be assembled even if it is rotated 180 degrees during the assembly.

図5は、カム部材7の斜視図である。同図は、カム部材7を被写体側斜め上方から見た図である。このカム部材7は透光性の材料で撮像素子8の上面を覆うように透光部7aが形成されているものである。   FIG. 5 is a perspective view of the cam member 7. This figure is a view of the cam member 7 as viewed from obliquely above the subject side. The cam member 7 is formed of a translucent material and a translucent portion 7 a is formed so as to cover the upper surface of the image sensor 8.

同図に示すように、カム部材7の外周には、凸部7hが形成されこの凸部7hが、図4に示すベース部材12の一方の凹部12hに嵌合され周方向の位置決めがなされる。また、凸部7hと180度ずれた位置に形成されたゲート部7qは、凸部7hよりも幅及び突出量が小さく形成され、ベース部材12の他方の凹部に収納される。外周の側面部7fは図4に示すベース部材12の内周の側面部12fと嵌合して組み付けられるようになっている。   As shown in the figure, a convex portion 7h is formed on the outer periphery of the cam member 7, and this convex portion 7h is fitted into one concave portion 12h of the base member 12 shown in FIG. . Further, the gate portion 7q formed at a position shifted by 180 degrees from the convex portion 7h is formed to have a smaller width and protruding amount than the convex portion 7h, and is accommodated in the other concave portion of the base member 12. The outer peripheral side surface portion 7f is fitted and assembled with the inner peripheral side surface portion 12f of the base member 12 shown in FIG.

カム部材7は、カム部7cがその外周近傍に略120度間隔で周期的に配置されている。更に、このカム部7cは、それぞれ光軸方向の位置の異なる水平面7mと7n、この水平面7mと7nを繋ぐ傾斜面7jで形成されている。   The cam member 7 has cam portions 7c periodically arranged at intervals of approximately 120 degrees in the vicinity of the outer periphery thereof. Further, the cam portion 7c is formed by horizontal surfaces 7m and 7n having different positions in the optical axis direction, and an inclined surface 7j connecting the horizontal surfaces 7m and 7n.

また、このカム部とカム部の間には、カム面である水平面7mと7n、この水平面7mと7nを繋ぐ傾斜面7jより低い段差部7gが形成されている。この段差部7gは、カム部7cの側面と外周の側面部7fとの間にも形成され、凸部7h及びゲート部7qを除くカム部材7の周囲にわたって形成されている。   Further, a level difference 7g lower than the inclined surfaces 7j connecting the horizontal surfaces 7m and 7n is formed between the cam portions and the cam surfaces. The step portion 7g is also formed between the side surface of the cam portion 7c and the outer side surface portion 7f, and is formed around the cam member 7 excluding the convex portion 7h and the gate portion 7q.

このカム部材7を図4に示すベース部材12に落とし込むことで、このカム部材7に一体で形成された脚部7dが図4に示す撮像素子8に当接する。この当接した状態で段差部7gに、例えば紫外線硬化型の接着剤を塗布することで、カム部材7は図4に示すベース部材12に接着固定される。   By dropping the cam member 7 into the base member 12 shown in FIG. 4, the leg portion 7d formed integrally with the cam member 7 comes into contact with the image sensor 8 shown in FIG. The cam member 7 is bonded and fixed to the base member 12 shown in FIG. 4 by applying, for example, an ultraviolet curable adhesive to the stepped portion 7g in the contacted state.

このようにすることで、接着剤がカム部7cのカム面である水平面7mと7n、この水平面7mと7nを繋ぐ傾斜面7j上にはみ出すことを防止することができ、接着剤及び異物の付着を防止することができると共に、毛管現象により外周の側面部7fとベース部材12の内周の側面部12fの間に入り込み、撮像素子8の空間を封止することができ、撮像素子8の空間への外部からの湿気の侵入を防止することが可能となる。   By doing so, it is possible to prevent the adhesive from protruding onto the horizontal surfaces 7m and 7n, which are the cam surfaces of the cam portion 7c, and the inclined surface 7j connecting the horizontal surfaces 7m and 7n. Can be prevented, and can enter between the outer side surface portion 7f and the inner side surface portion 12f of the base member 12 by capillarity to seal the space of the image sensor 8. It is possible to prevent moisture from entering the outside.

更に、撮像素子8の上面を覆うように形成された透光部7aの面7b1、7b2のうち、被写体光入射側の面である7b1はカム部7cより高く、即ち高い方の水平面7mよりも光軸方向被写体側の位置に形成されている。この被写体光入射側の面である7b1に、赤外光を撮像素子8へ到達させないための、例えば誘電体多層膜による赤外光カットコーティングが施される。   Further, of the surfaces 7b1 and 7b2 of the light transmitting portion 7a formed so as to cover the upper surface of the image pickup device 8, the surface 7b1 on the subject light incident side is higher than the cam portion 7c, that is, higher than the higher horizontal surface 7m. It is formed at a position on the subject side in the optical axis direction. An infrared light cut coating with, for example, a dielectric multilayer film is performed on the object light incident side surface 7b1 in order to prevent infrared light from reaching the image sensor 8.

このように、赤外光カットコーティングを施す面を、少なくともその周面部がカム部7cより光軸方向被写体側の位置(突出した位置)に形成した面7b1とすることにより、コーティング装置内でカム部材を保持する治具から被コーティング面7b1が露出しやすくなり、面7b1に均一に膜を形成することが可能となる。加えて、カム部7cにコーティングがされるのを防止でき、摩耗等による塵の発生を防止することが可能となる。更に、赤外カットコーティングを施す面を撮像光学系50の後方の像面側の空間に配置することで撮像装置100の厚みを抑え、薄型化を可能とできる。   In this way, the surface on which infrared light cut coating is applied is the surface 7b1 in which at least the peripheral surface portion is formed at a position (protruded position) on the object side in the optical axis direction from the cam portion 7c. The surface 7b1 to be coated is easily exposed from the jig holding the member, and a film can be uniformly formed on the surface 7b1. In addition, it is possible to prevent the cam portion 7c from being coated, and to prevent generation of dust due to wear or the like. Furthermore, by arranging the surface to be subjected to infrared cut coating in the space on the image plane side behind the imaging optical system 50, the thickness of the imaging device 100 can be suppressed and the thickness can be reduced.

また、図示のように、被コーティング面7b1の周囲には、この面7b1より微小に高い枠部7pを形成することが望ましい。これは、何らかの理由で被コーティング面7b1が下面となるように置かれた時に、被コーティング面7b1が接触しないようにするためである。なお、本例では、円周にわたって形成したものを示したが、複数個の突起等でもよい。   Further, as shown in the drawing, it is desirable to form a frame portion 7p slightly higher than the surface 7b1 around the surface to be coated 7b1. This is to prevent the coated surface 7b1 from coming into contact when the coated surface 7b1 is placed on the lower surface for some reason. In this example, although formed over the circumference, a plurality of protrusions or the like may be used.

また、図3(b)に示すように、被コーティング面である7b1を被写体光入射側から見て凹面としてもよい。一般に本発明のような光学系では射出瞳までの距離が短くなり、周辺で射出角が大きくなるが、このようにすることで撮像光学系50の最終面から射出される被写体光束の周辺部の光束の傾きに対して、被コーティング面7b1への入射角を減少させることができ、誘電体多層膜への入射角の変化による、分光透過率の変化を抑制することも可能となる。また、赤外カットコーティングの代わりにカム部材7を赤外光吸収部材で成形してもよい。   Further, as shown in FIG. 3B, the coating surface 7b1 may be a concave surface when viewed from the subject light incident side. In general, in an optical system such as the present invention, the distance to the exit pupil is shortened and the exit angle is increased in the periphery. By doing so, the peripheral portion of the subject light beam emitted from the final surface of the imaging optical system 50 is increased. The incident angle on the coated surface 7b1 can be reduced with respect to the inclination of the light beam, and the change in spectral transmittance due to the change in the incident angle on the dielectric multilayer film can be suppressed. Moreover, you may shape | mold the cam member 7 with an infrared-light absorption member instead of an infrared cut coating.

図6は、外枠部材16の斜視図である。この外枠部材16は、図4に示すベース部材12上に組み付けられ、突部16aが嵌合した状態で接着剤溜まり部12sで接着固定される。   FIG. 6 is a perspective view of the outer frame member 16. The outer frame member 16 is assembled on the base member 12 shown in FIG. 4, and is bonded and fixed by the adhesive reservoir portion 12s in a state where the protrusion 16a is fitted.

同図に示すように、外枠部材16は円筒状に形成された円筒部16eと、この円筒部16eに開けられた開口部16k及び、リブ16bが形成されている。この外枠部材16の円筒部の内径は、撮像素子側で小さく、被写体側で大きくなるよう形成されている(図3(a)の光軸Oより左側参照)。これは、撮像光学系50を被写体側から組み込むためである。   As shown in the figure, the outer frame member 16 is formed with a cylindrical portion 16e formed in a cylindrical shape, an opening portion 16k opened in the cylindrical portion 16e, and a rib 16b. The inner diameter of the cylindrical portion of the outer frame member 16 is formed to be small on the image sensor side and large on the subject side (see the left side from the optical axis O in FIG. 3A). This is because the imaging optical system 50 is incorporated from the subject side.

図7は、一体にユニット化された撮像光学系50の斜視図である。同図(a)は、撮像光学系50を被写体側斜め上方から見た図であり、同図(b)は、撮像光学系50を撮像素子側斜め下方から見た図である。   FIG. 7 is a perspective view of the imaging optical system 50 unitized as a unit. FIG. 6A is a diagram of the imaging optical system 50 viewed from obliquely above the subject side, and FIG. 6B is a diagram of the imaging optical system 50 viewed from diagonally below the imaging element side.

同図(a)に示すように、第1レンズ1、第2レンズ2、第3レンズ3、と各レンズに取り付けられた絞りで構成された撮像光学系50は、第3レンズ3のフランジ部に略120度間隔で3箇所の係合部3tが形成されている。この係合部3tの1つと、図3に示す回動部材15に形成された係合部15tが係合させられ回動するようになっている。   As shown in FIG. 2A, the imaging optical system 50 including the first lens 1, the second lens 2, the third lens 3, and the diaphragm attached to each lens is provided with a flange portion of the third lens 3. Three engaging portions 3t are formed at intervals of approximately 120 degrees. One of the engaging portions 3t and the engaging portion 15t formed on the rotating member 15 shown in FIG. 3 are engaged and rotated.

また、第3レンズ3のフランジ部の平面部3bに、図3に示す付勢部材である圧縮コイルバネ9が掛けられる。圧縮コイルバネ9は、3箇所の係合部3tにより、バネはずれの防止がなされている。また、第3レンズ3のフランジ部の外周部3fと、図3及び図6に示す外枠部材16の内周が嵌合し、撮像光学系50の光軸方向の移動の案内部となっている。なお、この係合部3tの光軸方向の深さは撮像光学系50が光軸方向に移動しても、係合量は充分に確保されている。なお、係合部3tは、少なくとも1箇所あればよい。   Further, a compression coil spring 9 as an urging member shown in FIG. 3 is hung on the flat surface portion 3b of the flange portion of the third lens 3. The compression coil spring 9 is prevented from coming off by three engaging portions 3t. Further, the outer peripheral portion 3f of the flange portion of the third lens 3 and the inner periphery of the outer frame member 16 shown in FIGS. 3 and 6 are fitted to serve as a guide for movement of the imaging optical system 50 in the optical axis direction. Yes. The depth of the engaging portion 3t in the optical axis direction is sufficiently secured even when the imaging optical system 50 moves in the optical axis direction. Note that at least one engaging portion 3t may be provided.

同図(b)に示すように、撮像光学系50の第3レンズ3には、撮像素子側の面の光学有効面以外の領域で、図5に示すカム部材7のカム部7cに対応した位置に、3箇所の突起部3dが形成されている。この3箇所の突起部3dが、図5に示すカム部材の3箇所のカム部7cに当接し、水平面7nから傾斜面7jを経由して水平面7mへ移動することで、過焦点位置からマクロ撮影の位置となり、水平面7mから傾斜面7jを経由して水平面7nへ移動することにより、マクロ撮影の位置から過焦点位置へ戻るようになっている。   As shown in FIG. 5B, the third lens 3 of the imaging optical system 50 corresponds to the cam portion 7c of the cam member 7 shown in FIG. 5 in a region other than the optically effective surface on the imaging element side. Three protruding portions 3d are formed at the positions. The three projections 3d abut on the three cam portions 7c of the cam member shown in FIG. 5 and move from the horizontal plane 7n to the horizontal plane 7m via the inclined plane 7j, so that macro photography is performed from the hyperfocus position. By moving from the horizontal plane 7m to the horizontal plane 7n via the inclined plane 7j, the macro shooting position returns to the hyperfocal position.

この突起部3dは、同図のような円柱の一部とすることが望ましく、このようにすることで衝撃等に対し充分な強度を維持できる。なお、この突起部3dは、先端が丸められた三角柱の一部や球面の一部等の形状であってもよい。   The protrusion 3d is preferably a part of a cylinder as shown in the figure, and by doing so, a sufficient strength against an impact or the like can be maintained. The protrusion 3d may have a shape such as a part of a triangular prism with a rounded tip or a part of a spherical surface.

図8は、回動部材15の斜視図である。   FIG. 8 is a perspective view of the rotating member 15.

この回動部材15は図6に示す外枠部材16の円筒部16eの外周面に組み込まれ、リブ16bが受け部になる。また、係合部15tは図6に示す外枠部材16の開口部16kの領域に位置し、図7に示す撮像光学系50の係合部3tの1つと係合するように組み込まれる。   The rotating member 15 is incorporated in the outer peripheral surface of the cylindrical portion 16e of the outer frame member 16 shown in FIG. 6, and the rib 16b serves as a receiving portion. Further, the engaging portion 15t is located in the region of the opening 16k of the outer frame member 16 shown in FIG. 6, and is incorporated so as to engage with one of the engaging portions 3t of the imaging optical system 50 shown in FIG.

この回動部材15の円筒部の長さ(図8にてHで示す)は、図6に示す外枠部材16のリブ16bより上部の長さ(図6にてHで示す)と略同一に形成されている。これにより、外枠部材16の側面に配置された回動部材15により、外枠部材16の開口部16kを遮蔽することができる。   The length of the cylindrical portion of the rotating member 15 (indicated by H in FIG. 8) is substantially the same as the length above the ribs 16b of the outer frame member 16 shown in FIG. 6 (indicated by H in FIG. 6). Is formed. Thereby, the opening 16k of the outer frame member 16 can be shielded by the rotating member 15 disposed on the side surface of the outer frame member 16.

操作部15sの位置と係合部15tの位置は周方向で異なる位置となっている。このように配置することで、各種の異なるレイアウトの携帯端末に内蔵する場合に、操作部15sの位置を適合させた、回動部材15を用意するだけで対応な撮像装置100を得ることができる。   The position of the operating portion 15s and the position of the engaging portion 15t are different positions in the circumferential direction. By arranging in this way, a corresponding imaging device 100 can be obtained simply by preparing the rotating member 15 in which the position of the operation unit 15 s is adapted in the case of being incorporated in portable terminals having various different layouts. .

なお、回動部材15に形成された係合部15tは、図7に示す撮像光学系50が光軸方向に移動しても、光軸方向で干渉が無いように設定されているのは勿論である。   The engaging portion 15t formed on the rotating member 15 is set so that there is no interference in the optical axis direction even when the imaging optical system 50 shown in FIG. 7 moves in the optical axis direction. It is.

図9は、外枠部材16を挟んで、回動部材15と撮像光学系50の第3レンズ3の係合関係を示す断面図である。   FIG. 9 is a cross-sectional view illustrating the engagement relationship between the rotating member 15 and the third lens 3 of the imaging optical system 50 with the outer frame member 16 interposed therebetween.

同図に示すように、外枠部材の円筒部16eを挟み、内部に第3レンズ3、外周に回動部材15が配置され、外枠部材の開口部16kに回動部材15の係合部15tが突出し、第3レンズ3の係合部3tと係合している。これにより、回動部材15と第3レンズ3は、円筒部16eを挟み一体的に開口部16kの範囲内で回動可能となる。即ち、撮像光学系50は第3レンズ3のフランジ部外周3fと外枠部材の円筒部16eの内側で案内され、回動部材15は外枠部材円筒部16eの外側で支持されている。   As shown in the figure, the third lens 3 is disposed inside the cylindrical portion 16e of the outer frame member, the rotating member 15 is disposed on the outer periphery, and the engaging portion of the rotating member 15 is disposed in the opening 16k of the outer frame member. 15t protrudes and engages with the engaging portion 3t of the third lens 3. Thereby, the rotation member 15 and the third lens 3 can be rotated integrally within the range of the opening 16k with the cylindrical portion 16e interposed therebetween. That is, the imaging optical system 50 is guided inside the outer periphery 3f of the flange portion of the third lens 3 and the cylindrical portion 16e of the outer frame member, and the rotating member 15 is supported outside the cylindrical portion 16e of the outer frame member.

なお、係合部3tは、フランジ部外周3fより内側に形成することが望ましい。こうすることにより、同回動角であっても、開口部16kの領域を小さくできる利点がある。   Note that the engaging portion 3t is desirably formed inside the flange portion outer periphery 3f. By doing so, there is an advantage that the area of the opening 16k can be reduced even at the same rotation angle.

以上説明したように、外枠部材16の側面に配置された回動部材15により、外枠部材16の開口部16kを遮蔽し、また上面は、図3で示したように、蓋部材13が取り付けられる。既に、図2で説明したように、携帯端末にこの撮像装置100を組み込むときは蓋部材13にゴムのOリング等を介してカバーガラスに押しつけられるように組み込まれるため、携帯端末に内蔵後は、撮像装置100に外部から塵が侵入することを防止でき、マクロ撮影のために撮影光学系を移動可能としつつ、撮像装置内部への塵埃の侵入を阻止することのできる撮像装置を得ることが可能となる。   As described above, the opening 16k of the outer frame member 16 is shielded by the rotating member 15 disposed on the side surface of the outer frame member 16, and the upper surface is covered with the lid member 13 as shown in FIG. It is attached. As already described with reference to FIG. 2, when the imaging device 100 is incorporated into a portable terminal, the lid member 13 is incorporated so as to be pressed against the cover glass via a rubber O-ring or the like. It is possible to obtain an imaging device capable of preventing dust from entering the imaging device 100 from the outside and capable of moving the imaging optical system for macro photography while preventing dust from entering the imaging device. It becomes possible.

また、外枠部材16とベース部材12は、一体で形成してもよいが、上述のように分離することで、接着剤を塗布するニードルを所定の位置に容易に近接させることができ、接着封止をより確実におこなうことができるようになる。   Further, the outer frame member 16 and the base member 12 may be integrally formed. However, by separating as described above, the needle for applying the adhesive can be easily brought close to a predetermined position and bonded. Sealing can be performed more reliably.

(第2の実施の形態)
次に、第2の実施の形態について説明する。第2の実施の形態については、第1の実施の形態と同機能部品については、同符号を付与し説明を省略し、異なる部分についてのみ説明する。
(Second Embodiment)
Next, a second embodiment will be described. In the second embodiment, the same functional parts as those in the first embodiment are denoted by the same reference numerals, description thereof is omitted, and only different portions will be described.

図10は、本発明に係る撮像装置200の斜視図である。この撮像装置200が図1に示す撮像装置Sの位置に内蔵されるものである。   FIG. 10 is a perspective view of the imaging apparatus 200 according to the present invention. This imaging apparatus 200 is built in the position of the imaging apparatus S shown in FIG.

同図に示すように撮像装置200の外表面は、図2に示す撮像装置100とは、回動部材15と蓋部材13の接する位置が異なりより基板に近い位置となっており、その他は撮像装置100と同様である。   As shown in the figure, the outer surface of the imaging device 200 is different from the imaging device 100 shown in FIG. 2 in the position where the rotating member 15 and the lid member 13 are in contact with each other and closer to the substrate. This is the same as the device 100.

図11は、本発明の撮像装置200の内部構造を示す概略の断面図である。同図は図10に示すG−G線で切断して、その断面を示したもので、撮像光学系の光軸Oを境に、右側は撮像光学系の焦点を過焦点距離に合わせた状態を示し、左側は撮像光学系の焦点を被写体側に所定量移動させ近距離に焦点を合わせたマクロ撮影時の状態を示している。   FIG. 11 is a schematic cross-sectional view showing the internal structure of the imaging apparatus 200 of the present invention. This figure shows a cross section taken along the line GG shown in FIG. 10, with the optical axis O of the imaging optical system as a boundary, and the right side of FIG. The left side shows a macro shooting state in which the focus of the imaging optical system is moved by a predetermined amount to the subject side and the focus is adjusted to a short distance.

同図に示す撮像装置200は、第1レンズ1、第2レンズ2、第3レンズ3、と各レンズに取り付けられた絞りで構成された撮像光学系50、カム部材7、プリント基板11に実装された撮像素子8、付勢部材である圧縮コイルバネ9、ベース部材12、化粧板14、外枠部材16の形状、動作等、既に第1の実施例で説明したものと同様である。   An image pickup apparatus 200 shown in FIG. 1 is mounted on an image pickup optical system 50 including a first lens 1, a second lens 2, a third lens 3, and a diaphragm attached to each lens, a cam member 7, and a printed board 11. The shapes and operations of the image pickup element 8, the compression coil spring 9 that is an urging member, the base member 12, the decorative plate 14, and the outer frame member 16 are the same as those already described in the first embodiment.

同図に示すように撮像装置200は、外枠部材16のリブ16bより上部の長さHに対し、回動部材15の円筒部の長さKは短く形成されている。一方、蓋部材13には円筒方向で外枠部材16に被さるように長さLのオーバーハングを形成し、外枠部材16の開口部16k(図6参照)を回動部材15と蓋部材13により遮蔽したものである。   As shown in the figure, in the imaging apparatus 200, the length K of the cylindrical portion of the rotating member 15 is shorter than the length H of the outer frame member 16 above the rib 16b. On the other hand, an overhang having a length L is formed on the lid member 13 so as to cover the outer frame member 16 in the cylindrical direction, and the opening 16k (see FIG. 6) of the outer frame member 16 is formed on the rotating member 15 and the lid member 13. It is shielded by.

更に、蓋部材は、回動部材15の円筒部の内側に突出するように舌部13jが形成されている。   Further, the lid member is formed with a tongue portion 13j so as to protrude inside the cylindrical portion of the rotating member 15.

このようにすることにより、外枠部材16の開口部16kを蓋部材13の舌部13jと回動部材15の円筒部で、2重に遮蔽する部位を形成することができ、外部からの塵の侵入の防止をより完全なものとすることができる。   By doing so, it is possible to form a portion that shields the opening 16k of the outer frame member 16 with the tongue portion 13j of the lid member 13 and the cylindrical portion of the rotating member 15, and to prevent dust from the outside. Intrusion prevention can be made more complete.

以上説明したように、外枠部材16の側面に配置された回動部材15と上面に配置された蓋部材13により、外枠部材16の開口部16kを遮蔽することにより、既に、図2で説明したように、携帯端末にこの撮像装置100を組み込むときは蓋部材13にゴムのOリング等を介してカバーガラスに押しつけられるように組み込まれるため、携帯端末に内蔵後は、撮像装置100に外部から塵が侵入することを防止でき、マクロ撮影のために撮影光学系を移動可能としつつ、撮像装置内部への塵埃の侵入を阻止することのできる撮像装置を得ることが可能となる。   As described above, the opening member 16k of the outer frame member 16 is shielded by the rotating member 15 disposed on the side surface of the outer frame member 16 and the lid member 13 disposed on the upper surface, so that already in FIG. As described above, when the imaging device 100 is incorporated into the portable terminal, the lid member 13 is incorporated so as to be pressed against the cover glass via a rubber O-ring or the like. It is possible to obtain an imaging device that can prevent dust from entering from the outside and can move the photographing optical system for macro photography while preventing dust from entering the imaging device.

なお、この第2の実施の形態で説明した蓋部材に形成する舌部は、前述の第1の実施の形態にも適用可能なのは勿論である。   Of course, the tongue portion formed on the lid member described in the second embodiment can be applied to the first embodiment described above.

本発明の撮像装置を備えた携帯端末の一例である携帯電話機Tの外観図である。It is an external view of the mobile telephone T which is an example of the portable terminal provided with the imaging device of this invention. 本発明に係る撮像装置100の斜視図である。1 is a perspective view of an imaging apparatus 100 according to the present invention. 本発明の撮像装置100の内部構造を示す概略の断面図である。It is a schematic sectional drawing which shows the internal structure of the imaging device 100 of this invention. ベース部材の斜視図である。It is a perspective view of a base member. カム部材の斜視図である。It is a perspective view of a cam member. 外枠部材の斜視図である。It is a perspective view of an outer frame member. 一体にユニット化された撮像光学系の斜視図である。It is a perspective view of the imaging optical system unitized integrally. 回動部材の斜視図である。It is a perspective view of a rotation member. 外枠部材を挟んで、回動部材と撮像光学系の第3レンズの係合関係を示す断面図である。It is sectional drawing which shows the engagement relationship of a rotation member and the 3rd lens of an imaging optical system on both sides of an outer frame member. 本発明に係る撮像装置200の斜視図である。It is a perspective view of imaging device 200 concerning the present invention. 本発明の撮像装置200の内部構造を示す概略の断面図である。It is a schematic sectional drawing which shows the internal structure of the imaging device 200 of this invention.

符号の説明Explanation of symbols

1 第1レンズ
2 第2レンズ
3 第3レンズ
7 カム部材
8 撮像素子
9 付勢部材
11 プリント基板
12 ベース部材
13 蓋部材
14 化粧板
15 回動部材
16 外枠部材
17 コネクタ
DESCRIPTION OF SYMBOLS 1 1st lens 2 2nd lens 3 3rd lens 7 Cam member 8 Image pick-up element 9 Biasing member 11 Printed circuit board 12 Base member 13 Cover member 14 Decorative plate 15 Rotating member 16 Outer frame member 17 Connector

Claims (4)

被写体光を光電変換する撮像素子と、該撮像素子の光電変換領域に被写体光を導く撮像光学系と、該撮像光学系の光学有効面以外の部位に形成された当接部と当接するカム面を有するカム部材と、を有し、
前記カム部材は、透光性の材料で形成された透光部を有し、該透光部のうち前記カム面が形成されている側と同じ側の面を、少なくともその周面部が前記カム面よりも突出して位置するように形成し、該面に赤外カットコーティングを施したことを特徴とする撮像装置。
An imaging device that photoelectrically converts subject light, an imaging optical system that guides the subject light to the photoelectric conversion region of the imaging device, and a cam surface that contacts an abutting portion formed on a portion other than the optically effective surface of the imaging optical system A cam member having
The cam member has a translucent portion formed of a translucent material, and at least a peripheral surface portion of the translucent portion on the same side as the side on which the cam surface is formed is the cam. An imaging device, wherein the imaging device is formed so as to protrude from a surface, and an infrared cut coating is applied to the surface.
前記透光部は、前記撮像素子の光電変換側を覆うように前記カム部材に形成されるとともに、前記カム部材は、前記撮像素子に当接する脚部を備え、該脚部が前記撮像素子と当接した状態で固定され、
前記撮像光学系は、付勢部材により前記撮像素子方向に付勢されて、前記当接部で前記カム部材の前記カム面と当接していることを特徴とする請求項1に記載の撮像装置。
The translucent part is formed on the cam member so as to cover the photoelectric conversion side of the imaging element, and the cam member includes a leg part that comes into contact with the imaging element, and the leg part is connected to the imaging element. Fixed in contact,
2. The imaging apparatus according to claim 1, wherein the imaging optical system is biased toward the imaging element by a biasing member and is in contact with the cam surface of the cam member at the contact portion. .
前記赤外カットコーティングを施した面は、前記透光部の被写体光入射側の面であり、該面を凹面としたことを特徴とする請求項1又は2に記載の撮像装置。 The imaging apparatus according to claim 1, wherein the surface on which the infrared cut coating is applied is a surface on the subject light incident side of the light transmitting portion, and the surface is a concave surface. 請求項1〜3のいずれか1項に記載の撮像装置を備えたことを特徴とする携帯端末。 A portable terminal comprising the imaging device according to claim 1.
JP2003349192A 2003-07-08 2003-10-08 Imaging device and portable terminal equipped with the imaging device Expired - Fee Related JP4321204B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2003349192A JP4321204B2 (en) 2003-10-08 2003-10-08 Imaging device and portable terminal equipped with the imaging device
EP04747354A EP1643282A4 (en) 2003-07-08 2004-07-05 Imaging device, portable terminal using the same, and image device producing method
PCT/JP2004/009886 WO2005003835A1 (en) 2003-07-08 2004-07-05 Imaging device, portable terminal using the same, and image device producing method
KR1020067000252A KR101092124B1 (en) 2003-07-08 2004-07-05 Imaging device portable terminal using the same and image device producing method
US10/562,530 US7656452B2 (en) 2003-07-08 2004-07-05 Imaging device, portable terminal using the same, and image device producing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003349192A JP4321204B2 (en) 2003-10-08 2003-10-08 Imaging device and portable terminal equipped with the imaging device

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JP2005115036A JP2005115036A (en) 2005-04-28
JP4321204B2 true JP4321204B2 (en) 2009-08-26

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