JPH07236611A - Operating device of ophthalmologic instrument - Google Patents

Abstract

PURPOSE:To improve operability by operating a device by one operating member only to accomplish positional alignment. CONSTITUTION:An operating rod 2 is supported on a base plate in such a manner as to freely tilt with respect to its axis and freely rotate, a variable resistor 16 is provided on the longitudinal central part of the shaft part, a light emitting diode 17 is installed on the tip of the rod, and the variable resistor and the light emitting diode are electrically connected to each other. A quatrefoil-like photo sensor 18 is disposed opposite to the light emitting diode 17 on the base plate 11 to form a tilting detecting means with the light emitting diode 17, and a rotation detecting means is formed by the light emitting diode 17, the quatrefoil-like photo sensor 18 and the variable resistor 16. The tilting of the operation rod 2 is detected from the eccentricity of a light beam of the light emitting diode 17 on the quatrefoil-like photo sensor 18, and the rotation thereof is detected on the basis of change of total quantity of detected light caused by the change of a resistance value of the variable resistor 16.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、眼科病院や眼鏡店等で
使用される眼科器械の操作装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating device for an ophthalmic instrument used in an ophthalmic hospital, an eyeglass store, or the like.

【０００２】[0002]

【従来の技術】被検眼と眼科器械との位置合わせを行う
ためには、三次元的に機械を移動する必要があるが、従
来の操作装置は電動で複数の操作部材を操作して行って
いる。2. Description of the Related Art In order to align an eye to be inspected with an ophthalmologic instrument, it is necessary to move the machine three-dimensionally, but a conventional operating device is operated electrically by operating a plurality of operating members. There is.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、１つの
操作部材で操作した後に、その操作部材から手を離して
他の操作部材に手を移すときに、一般に検眼室は暗くて
見え難いためその操作部材の位置が分かり難く、操作性
が悪いとされている。However, when the operator operates one operating member and then releases the operating member to move to another operating member, the optotype chamber is generally dark and difficult to see. It is said that the position of the member is difficult to understand and the operability is poor.

【０００４】本発明の目的は、１つの操作部材のみで装
置を操作して位置合わせができるようにして、操作性を
向上させた眼科器械の操作装置を提供することにある。It is an object of the present invention to provide an operating device for an ophthalmologic apparatus which has improved operability by allowing the device to be aligned by operating the device with only one operating member.

【０００５】[0005]

【発明を解決するための手段】上記目的を達成するため
の第１発明に係る眼科器械の操作装置は、操作部材の傾
動を二次元的に検出する傾動検出手段と、前記操作部材
の回転を検出する回転検出手段と、前記傾動検出手段と
前記回転検出手段により三次元的操作信号を発生する信
号発生手段とを有することを特徴とする。The operating device for an ophthalmologic apparatus according to the first aspect of the present invention for achieving the above object comprises a tilt detecting means for two-dimensionally detecting tilt of an operating member, and a rotation of the operating member. It is characterized by comprising rotation detecting means for detecting, tilting detecting means and signal generating means for generating a three-dimensional operation signal by the rotation detecting means.

【０００６】また、第２発明に係る眼科器械は、被検眼
を観察する観察手段と、操作部材の傾動を二次元的に検
出する傾動検出手段と、前記操作部材の回転を検出する
回転検出手段と、前記傾動検出手段と前記回転検出手段
により三次元的操作信号を発生する信号発生手段と、該
信号発生手段からの信号により器械本体を駆動する駆動
手段とを有することを特徴とする。The ophthalmologic apparatus according to the second aspect of the present invention is an observing means for observing an eye to be inspected, a tilt detecting means for two-dimensionally detecting tilt of an operating member, and a rotation detecting means for detecting rotation of the operating member. And a signal generating means for generating a three-dimensional operation signal by the tilt detecting means and the rotation detecting means, and a driving means for driving the instrument body by a signal from the signal generating means.

【０００７】[0007]

【作用】上記の構成を有する第１発明の眼科器械の操作
装置は、傾動検出手段と回転検出手段により三次元的操
作信号を発生する。In the operating device for the ophthalmologic apparatus of the first invention having the above-mentioned structure, the tilt detecting means and the rotation detecting means generate a three-dimensional operation signal.

【０００８】また、第２発明の眼科器械は、傾動検出手
段と回転検出手段により得られた三次元的操作信号によ
る駆動信号によって、器械本体を駆動する。In the ophthalmologic apparatus of the second invention, the main body of the instrument is driven by the drive signal based on the three-dimensional operation signal obtained by the tilt detection means and the rotation detection means.

【０００９】[0009]

【実施例】以下に、本発明を図示の実施例に基づいて詳
細に説明する。図１は眼科機械の構成図を示し、被検眼
Ｅの前方にはヘッド部１が設けられ、このヘッド部１は
操作杆２を有する操作部３の指令により動くステッピン
グモータ等から成る駆動部４によって、前後、左右、上
下に駆動するようにされている。また、ヘッド部１には
被検眼Ｅに対向して対物レンズ５が設けられ、この対物
レンズ５の後方にハーフミラー６、測定部７が配置さ
れ、ハーフミラー６の反射方向にテレビカメラ８が設け
られている。そして、テレビカメラ８の出力はテレビモ
ニタ９に接続されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments. FIG. 1 shows a configuration diagram of an ophthalmologic machine. A head unit 1 is provided in front of an eye E to be inspected, and the head unit 1 includes a drive unit 4 including a stepping motor or the like that moves according to a command from an operation unit 3 having an operating rod 2. Drives back and forth, left and right, and up and down. Further, an objective lens 5 is provided in the head portion 1 so as to face the eye E to be inspected, a half mirror 6 and a measuring portion 7 are arranged behind the objective lens 5, and a television camera 8 is arranged in a reflecting direction of the half mirror 6. It is provided. The output of the TV camera 8 is connected to the TV monitor 9.

【００１０】図２は第１の実施例の要部側面図、図３は
平面図である。基板１１上には間隔をあけて板体状の支
持部材１２が設けられており、この支持部材１２には孔
１３が穿孔され、操作杆２が取り付けられている。操作
杆２は円板部２ａとその下方に延在する軸部２ｂとから
成り、軸部２ｂには細径部２ｃが設けられていて、この
細径部２ｃが孔１３に傾動自在、回動自在に嵌合されて
いる。また、円板部２ａの下面と支持部材１２の上面と
の間の軸部２ｂの周囲に、操作杆２を基準位置に復元す
るように付勢するためのコイルばね１４が設けられ、そ
の一端は円板部２ａに取り付けられ、他端は支持部材１
２に取り付けられていて、円板部２ａは支持部材１２と
平行に支持されている。FIG. 2 is a side view of the essential portions of the first embodiment, and FIG. 3 is a plan view. A plate-shaped support member 12 is provided on the substrate 11 at intervals, and a hole 13 is bored in the support member 12 and an operating rod 2 is attached. The operating rod 2 is composed of a disc portion 2a and a shaft portion 2b extending below the disc portion 2a, and the shaft portion 2b is provided with a small diameter portion 2c. It is movably fitted. A coil spring 14 for urging the operating rod 2 so as to restore the operating rod 2 to the reference position is provided around the shaft portion 2b between the lower surface of the disc portion 2a and the upper surface of the support member 12, and one end of the coil spring 14 is provided. Is attached to the disc portion 2a, and the other end is the support member 1
2, the disk portion 2a is supported in parallel with the support member 12.

【００１１】円板部２ａの上面中央部に、測定や撮影シ
ャッタ用のスイッチ１５が取り付けられ、軸部２ｂの長
さ方向中央部には軸部２ｂの回転に伴い抵抗値が変化す
る可変抵抗器１６が取り付けられ、下端には発光ダイオ
ード１７が取り付けられている。また、基板１１の上面
の発光ダイオード１７と対向する位置に、４要素から成
る四葉状フォトセンサ１８が配置されている。A switch 15 for measurement and photographing shutter is attached to the center of the upper surface of the disc portion 2a, and a variable resistance whose resistance value changes with the rotation of the shaft 2b at the center of the shaft 2b in the longitudinal direction. The container 16 is attached, and the light emitting diode 17 is attached to the lower end. Further, a four-leaf photosensor 18 composed of four elements is arranged at a position facing the light emitting diode 17 on the upper surface of the substrate 11.

【００１２】図４に示すように、スイッチ１５、可変抵
抗器１６、発光ダイオード１７は電気的に直列に接続さ
れて傾動検出手段が構成され、この可変抵抗器１６、発
光ダイオード１７、四葉状フォトセンサ１８とにより回
転検出手段が構成されている。As shown in FIG. 4, the switch 15, the variable resistor 16 and the light emitting diode 17 are electrically connected in series to constitute a tilt detecting means, and the variable resistor 16, the light emitting diode 17 and the four-leaf photo sensor are formed. The sensor 18 constitutes rotation detecting means.

【００１３】操作杆２が支持部材１２に対して正対して
いる場合には、図５(a) に示すように発光ダイオード１
７の光束Ｌが四葉状フォトセンサ１８の中心位置に合致
しているが、操作杆２を傾けると図５(b) に示すよう
に、発光ダイオード１７の光束Ｌが四葉状フォトセンサ
１８に対して偏心する。そのため、４要素の光量関係を
基に操作杆２がどの方向に傾いたかを検出できる。一
方、操作杆２を軸線を中心として回転すると、可変抵抗
器１６の抵抗値が変化し、発光ダイオード１７の明るさ
が変わるので、四葉状フォトセンサ１８の受光総量が変
化し操作杆２の回転を検出できる。When the operating rod 2 is directly facing the support member 12, the light emitting diode 1 as shown in FIG. 5 (a).
The light flux L of the light beam 7 is aligned with the center position of the four-leaf photosensor 18, but when the operating rod 2 is tilted, the light flux L of the light-emitting diode 17 with respect to the four-leaf photosensor 18 as shown in FIG. 5B. Eccentric. Therefore, the direction in which the operating rod 2 is tilted can be detected based on the light amount relationship of the four elements. On the other hand, when the operating rod 2 is rotated about the axis, the resistance value of the variable resistor 16 changes and the brightness of the light emitting diode 17 changes, so that the total amount of light received by the four-leaf photosensor 18 changes and the operating rod 2 rotates. Can be detected.

【００１４】ヘッド部１との位置合わせを行う場合に、
検者はテレビモニタ９上の被検眼像等を観察しながら操
作杆２を操作すると、操作杆２の傾き検出信号に対応し
て駆動部２が作動し、例えばヘッド部１を光軸に対して
垂直方向に移動させる。また、回転検出信号によりヘッ
ド部１を光軸方向に移動させるので、被検眼Ｅに対する
位置合わせができる。本実施例では、検者は操作杆２を
持ったままの状態でスイッチ１５を操作でき、スイッチ
１５を押すと図４に示す回路がオフとなり、その瞬間に
電流が遮断されて発光ダイオード１７が消灯する。そこ
で、四葉状フォトセンサ１８によりそれを検知して、測
定や撮影用の光源を発光するようにできる。When aligning with the head unit 1,
When the examiner operates the operating rod 2 while observing the image of the eye to be inspected or the like on the television monitor 9, the drive unit 2 operates in response to the tilt detection signal of the operating rod 2, and, for example, the head unit 1 with respect to the optical axis. To move vertically. Further, since the head unit 1 is moved in the optical axis direction by the rotation detection signal, the position of the eye E can be adjusted. In this embodiment, the examiner can operate the switch 15 while holding the operating rod 2. When the switch 15 is pressed, the circuit shown in FIG. 4 is turned off, and at that moment, the current is cut off and the light emitting diode 17 is turned off. Turn off the light. Therefore, it is possible to detect it by the four-leaf photo sensor 18 and emit a light source for measurement or photographing.

【００１５】図６は第２の実施例の要部側面図であり、
図７はその平面図である。操作杆２１は眼科器械の基板
２２に固定したホルダ２３により傾動及び回転自在に保
持され、その下端に設けられた球状部２１ａの更に下端
には、操作杆２１を直立させるための付勢ばね２４が基
板２２との間に取り付けられている。操作杆２１の球状
部２１ａの周面には、鉛直方向を向く軸２５に回転自在
に支持されたローラ２６が接触している。そして、ロー
ラ２６にはその回転を検知する回転角検知部２７が連結
されていて、操作杆２１の回転を検出するようにされて
いる。FIG. 6 is a side view of the essential parts of the second embodiment.
FIG. 7 is a plan view thereof. The operating rod 21 is tiltably and rotatably held by a holder 23 fixed to a base plate 22 of an ophthalmologic instrument, and a urging spring 24 for erecting the operating rod 21 is further provided at the lower end of a spherical portion 21a provided at the lower end thereof. Are attached to the substrate 22. A roller 26 rotatably supported by a shaft 25 oriented in the vertical direction is in contact with the peripheral surface of the spherical portion 21a of the operating rod 21. A rotation angle detector 27 that detects the rotation of the roller 26 is connected to the roller 26 so as to detect the rotation of the operating rod 21.

【００１６】また、基板２２には球状部２１ａの中心を
通って互いに直交する２本の直線上に、それぞれ一対ず
つの軸受２８、２８及び２９、２９が設けられている。
軸受２８と２８間及び２９と２９間には、球状部２１ａ
を中心とする半円状のガイド部材３０及び３１が設けら
れ、これらの両端にはそれぞれ軸３０ａ及び３１ａが設
けられ、これらの軸３０ａ、３１ａは軸受１８、１９に
回動自在に支持されている。Further, the substrate 22 is provided with a pair of bearings 28, 28 and 29, 29 respectively on two straight lines passing through the center of the spherical portion 21a and orthogonal to each other.
A spherical portion 21a is provided between the bearings 28 and 28 and between the bearings 29 and 29.
Are provided with semicircular guide members 30 and 31 centered at, and shafts 30a and 31a are provided at both ends thereof, and these shafts 30a and 31a are rotatably supported by bearings 18 and 19, respectively. There is.

【００１７】これらのガイド部材３０、３１は、何れも
間隔を開けて平行する開口部を有し、ガイド部材３０、
３１の互いに交差する部分内には、操作杆２１の上部が
挿入されている。そして、軸３０ａ、３１ａにはその回
転を検知するポテンショメータや光電的エンコーダなど
から成る回転角検知部３２、３３が取り付けられてい
て、操作杆２１の傾動を検出できるようにされている。Each of the guide members 30 and 31 has an opening portion which is parallel to and spaced from each other.
The upper part of the operating rod 21 is inserted into the intersecting portions of 31. The shafts 30a and 31a are provided with rotation angle detectors 32 and 33, which include potentiometers and photoelectric encoders that detect the rotation of the shafts 30a and 31a, so that the tilting of the operating rod 21 can be detected.

【００１８】操作杆２１を例えば図６の紙面に沿って傾
けると、ガイド部材３１が軸３１ａを中心として回転
し、或いはガイド部材３１と直交する面に沿って傾ける
と、ガイド部材３０が軸３０ａを中心として回転する。
この回転を回転角検知部３２、３３により検知して、操
作杆２１の傾動を検出する。また、操作杆２１を回転さ
せると球状部３１ａが回転するため、ローラ２６が回転
して回転角検知部２７がその回転を検知して操作杆２１
の回転を検出する。When the operating rod 21 is tilted, for example, along the plane of FIG. 6, the guide member 31 rotates about the shaft 31a, or when it is tilted along a plane orthogonal to the guide member 31, the guide member 30 moves the shaft 30a. Rotate around.
This rotation is detected by the rotation angle detection units 32 and 33, and the tilting of the operating rod 21 is detected. Further, when the operating rod 21 is rotated, the spherical portion 31a is rotated. Therefore, the roller 26 is rotated and the rotation angle detection unit 27 detects the rotation and the operating rod 21 is rotated.
To detect the rotation of.

【００１９】被検眼Ｅとヘッド部１との位置合わせを行
う際には、検知部２７、３２、３３は駆動部２を作動さ
せてヘッド部１の位置を制御する。これらの位置制御は
例えば光軸方向から被検眼像を観察しながら行う。When the eye E to be inspected and the head portion 1 are aligned, the detection portions 27, 32, 33 actuate the drive portion 2 to control the position of the head portion 1. These position controls are performed, for example, while observing the eye image from the optical axis direction.

【００２０】[0020]

【発明の効果】以上説明したように第１発明に係る眼科
器械の操作装置は、操作部材の傾動を二次元的に検出す
る傾動検出手段と操作部材の回転を検出する回転検出手
段とを設け、傾動検出手段と回転検出手段により三次元
的に操作信号を発生するので、構成が簡素となり、操作
性が向上する。As described above, the operating device for the ophthalmologic apparatus according to the first aspect of the invention is provided with the tilt detecting means for two-dimensionally detecting the tilt of the operating member and the rotation detecting means for detecting the rotation of the operating member. Since the tilt detection means and the rotation detection means three-dimensionally generate the operation signal, the configuration is simplified and the operability is improved.

【００２１】また第２発明に係る眼科器械は、操作部材
の傾動を二次元的に検出する傾動検出手段と操作部材の
回転を検出する回転検出手段とを設け、傾動検出手段と
回転検出手段により三次元的に操作信号を発生し、その
信号によって駆動手段を作動させて器械本体の位置合わ
せを行うので、１つの操作部材のみで装置を操作して位
置合わせができ操作性が向上する。The ophthalmologic instrument according to the second aspect of the invention is provided with a tilt detecting means for two-dimensionally detecting the tilt of the operating member and a rotation detecting means for detecting the rotation of the operating member. Since an operation signal is three-dimensionally generated and the drive means is operated by the signal to align the main body of the instrument, the apparatus can be aligned by only one operating member to improve the operability.

【図面の簡単な説明】[Brief description of drawings]

【図１】眼科機械の構成図である。FIG. 1 is a configuration diagram of an ophthalmologic machine.

【図２】第１の実施例の要部の側面図である。FIG. 2 is a side view of a main part of the first embodiment.

【図３】平面図である。FIG. 3 is a plan view.

【図４】回路図である。FIG. 4 is a circuit diagram.

【図５】フォトセンサと光束の関係の説明図である。FIG. 5 is an explanatory diagram of a relationship between a photo sensor and a light beam.

【図６】第２の実施例の要部側面図である。FIG. 6 is a side view of an essential part of the second embodiment.

【図７】平面図である。FIG. 7 is a plan view.

【符号の説明】[Explanation of symbols]

１ ヘッド部 ２、２１ 操作杆 ２ａ 円板部 ２ｂ 軸部 ３ 操作部 ４ 駆動部 １５ スイッチ １６ 可変抵抗器 １７ 発光ダイオード １８ 四葉状フォトセンサ ２１ａ 球状部 ２６ ローラ ２７、３２、３３ 回転角検知部 ３０、３１ ガイド部材 DESCRIPTION OF SYMBOLS 1 head part 2, 21 operating rod 2a disk part 2b shaft part 3 operating part 4 driving part 15 switch 16 variable resistor 17 light emitting diode 18 four-leaf photosensor 21a spherical part 26 rollers 27, 32, 33 rotation angle detecting part 30 , 31 Guide member

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 操作部材の傾動を二次元的に検出する傾
動検出手段と、前記操作部材の回転を検出する回転検出
手段と、前記傾動検出手段と前記回転検出手段により三
次元的操作信号を発生する信号発生手段とを有すること
を特徴とする眼科器械の操作装置。1. A tilt detecting means for two-dimensionally detecting a tilt of an operating member, a rotation detecting means for detecting a rotation of the operating member, and a three-dimensional operation signal by the tilt detecting means and the rotation detecting means. A device for operating an ophthalmologic instrument, comprising: a signal generating means for generating the signal. 【請求項２】 被検眼を観察する観察手段と、操作部材
の傾動を二次元的に検出する傾動検出手段と、前記操作
部材の回転を検出する回転検出手段と、前記傾動検出手
段と前記回転検出手段により三次元的操作信号を発生す
る信号発生手段と、該信号発生手段からの信号により器
械本体を駆動する駆動手段とを有することを特徴とする
眼科器械。2. An observing means for observing an eye to be inspected, a tilt detecting means for two-dimensionally detecting tilt of an operating member, a rotation detecting means for detecting rotation of the operating member, the tilt detecting means and the rotation. An ophthalmologic apparatus comprising: a signal generating means for generating a three-dimensional operation signal by the detecting means; and a driving means for driving an instrument body by a signal from the signal generating means.