JP2002282201A - Electronic endoscope with objective optical system moving mechanism - Google Patents
Electronic endoscope with objective optical system moving mechanismInfo
- Publication number
- JP2002282201A JP2002282201A JP2001092458A JP2001092458A JP2002282201A JP 2002282201 A JP2002282201 A JP 2002282201A JP 2001092458 A JP2001092458 A JP 2001092458A JP 2001092458 A JP2001092458 A JP 2001092458A JP 2002282201 A JP2002282201 A JP 2002282201A
- Authority
- JP
- Japan
- Prior art keywords
- holding frame
- objective optical
- electronic endoscope
- optical system
- driving shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は対物光学系移動機
構付き電子内視鏡に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic endoscope with an objective optical system moving mechanism.
【０００２】[0002]
【従来の技術】電子内視鏡においてフォーカシングやズ
ーミング等を行うために、対物光学系の少なくとも一部
を遠隔操作により軸線方向に移動させるようにした対物
光学系移動機構付き電子内視鏡がある。2. Description of the Related Art There is an electronic endoscope with an objective optical system moving mechanism for moving at least a part of an objective optical system in an axial direction by remote control in order to perform focusing, zooming, and the like in the electronic endoscope. .
【０００３】そのような従来の対物光学系移動機構付き
電子内視鏡においては、例えば図５に示されるように、
対物光学系の中の可動レンズ系を保持する可動レンズ系
保持枠９１を軸線方向に進退駆動させるためのレンズ系
駆動用軸体９２が、固体撮像素子を保持するための撮像
素子保持枠体９３と干渉しないように撮像素子保持枠体
９３の外面に沿って配置されている。In such a conventional electronic endoscope with a moving mechanism for an objective optical system, for example, as shown in FIG.
A lens driving shaft 92 for driving a movable lens system holding frame 91 for holding a movable lens system in the objective optical system in the axial direction is provided with an image sensor holding frame 93 for holding a solid-state image sensor. It is arranged along the outer surface of the image sensor holding frame 93 so as not to interfere with the image sensor holding frame 93.
【０００４】また、撮像素子保持枠体９３も軸線方向に
進退駆動できるようにしたものの場合には、撮像素子保
持枠体９３から突設された突片９４に撮像素子駆動用軸
体９５が係合している。In the case where the image sensor holding frame 93 can also be driven forward and backward in the axial direction, the image sensor driving shaft 95 is engaged with a projecting piece 94 protruding from the image sensor holding frame 93. I agree.
【０００５】[0005]
【発明が解決しようとする課題】電子内視鏡において、
対物光学系や固体撮像素子を遠隔操作により軸線方向に
移動させるためには、レンズ系駆動用軸体や撮像素子駆
動用軸体等が不可欠の部材であるが、それらが撮像素子
保持枠体の外面から突出した位置に配置されるため、挿
入部の先端が太くなって内視鏡検査を受ける人に与える
苦痛を大きくしていた。SUMMARY OF THE INVENTION In an electronic endoscope,
In order to move the objective optical system and the solid-state imaging device in the axial direction by remote control, a lens system driving shaft and an imaging device driving shaft are indispensable members. Since the insertion portion is disposed at a position protruding from the outer surface, the distal end of the insertion portion becomes thick, and the pain given to a person who undergoes endoscopy is increased.
【０００６】そこで本発明は、挿入部の先端を太くする
ことなく対物レンズを移動可能にして、内視鏡検査を受
ける人にとって苦痛の少ない対物光学系移動機構付き電
子内視鏡を提供することを目的とする。SUMMARY OF THE INVENTION Accordingly, the present invention provides an electronic endoscope with an objective optical system moving mechanism, which makes it possible to move an objective lens without making the distal end of an insertion portion thicker, and causes less pain for a person who undergoes endoscopy. With the goal.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の対物光学系移動機構付き電子内視鏡は、内
視鏡の挿入部の先端に内蔵された固体撮像素子の前方
に、対物光学系の少なくとも一部を構成する可動レンズ
系が遠隔操作により軸線方向に移動可能に配置された対
物光学系移動機構付き電子内視鏡において、可動レンズ
系を軸線方向に進退駆動させるためのレンズ系駆動用軸
体が、固体撮像素子を保持するための撮像素子保持枠体
を軸線方向に貫通した状態に配置されているものであ
る。In order to achieve the above object, an electronic endoscope with an objective optical system moving mechanism according to the present invention is provided in front of a solid-state image pickup device built in a distal end of an insertion portion of the endoscope. In an electronic endoscope with an objective optical system moving mechanism in which a movable lens system constituting at least a part of an objective optical system is arranged to be movable in an axial direction by remote control, to move the movable lens system in an axial direction. Is arranged so as to penetrate an image sensor holding frame for holding the solid-state image sensor in the axial direction.
【０００８】なお、固体撮像素子が矩形状であって、そ
の対辺方向の位置にレンズ系駆動用軸体が配置されてい
てもよく、レンズ系駆動用軸体が、撮像素子保持枠体を
軸線方向に貫通して穿設された孔又は溝内に嵌挿されて
いてもよい。The solid-state image pickup device may have a rectangular shape, and a lens-system driving shaft may be disposed at a position opposite to the side of the solid-state imaging device. It may be inserted into a hole or groove penetrated in the direction.
【０００９】また、撮像素子保持枠体を軸線方向に進退
駆動するための撮像素子駆動用軸体が、撮像素子保持枠
体の軸線に対してレンズ系駆動用軸体と略等距離離れた
位置に配置されていてもよい。An image sensor driving shaft for moving the image sensor holding frame forward and backward in the axial direction is located at a position substantially equidistant from the lens system driving shaft with respect to the axis of the image sensor holding frame. May be arranged.
【００１０】そしてさらに、その撮像素子駆動用軸体の
先端部分が、可動レンズ系を保持する可動レンズ保持枠
体に形成された孔内に嵌挿されて、可動レンズ保持枠体
を支持していてもよい。Further, the tip of the imaging element driving shaft is inserted into a hole formed in the movable lens holding frame for holding the movable lens system to support the movable lens holding frame. You may.
【００１１】[0011]
【発明の実施の形態】図面を参照して本発明の実施例を
説明する。図１は、内視鏡の可撓性挿入部の先端部分を
示しており、先端部本体１の先端面に観察窓２と照明窓
３等が配置されており、照明窓３の内側には照明用ライ
トガイド４の射出端部が配置され、観察窓２部分には、
対物光学系の一部を構成する固定レンズ系５が対物ユニ
ット保持筒１１の先端に接合固着されて配置されてい
る。Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a distal end portion of a flexible insertion portion of an endoscope. An observation window 2 and an illumination window 3 are disposed on a distal end surface of a distal end main body 1. The emission end of the illumination light guide 4 is arranged, and the observation window 2 is
A fixed lens system 5 that constitutes a part of the objective optical system is arranged at the end of the objective unit holding cylinder 11 by being joined and fixed thereto.
【００１２】固定レンズ系５の内側には対物光学系の一
部を構成する可動レンズ系６が配置され、その可動レン
ズ系６の後方に略正方形状の固体撮像素子７の撮像面が
配置されている。８は、固体撮像素子７の駆動回路等を
構成する電子回路、１０は撮像信号等を伝送するための
信号ケーブルである。A movable lens system 6 constituting a part of the objective optical system is arranged inside the fixed lens system 5, and an imaging surface of a substantially square solid-state imaging device 7 is arranged behind the movable lens system 6. ing. Reference numeral 8 denotes an electronic circuit that constitutes a drive circuit and the like of the solid-state imaging device 7, and 10 denotes a signal cable for transmitting an imaging signal and the like.
【００１３】対物ユニット保持筒１１には、対物光学系
５，６及び固体撮像素子７等がユニットとして先端部本
体１外で組み付けられ、ユニット状態になった対物ユニ
ット保持筒１１が先端部本体１に取り付け固定される。The objective unit holding tube 11 has the objective optical systems 5 and 6 and the solid-state image sensor 7 and the like assembled as a unit outside the distal end main body 1. Attached and fixed.
【００１４】対物ユニット保持筒１１内には、可動レン
ズ系６を保持する可動レンズ保持枠体１２と、固体撮像
素子７及び電子回路８を保持する撮像素子保持枠体１３
が、各々独立して光軸方向に移動自在に嵌挿配置されて
いる。A movable lens holding frame 12 for holding the movable lens system 6 and an image sensor holding frame 13 for holding the solid-state image sensor 7 and the electronic circuit 8 are provided in the objective unit holding tube 11.
Are independently fitted and arranged so as to be movable in the optical axis direction.
【００１５】９は、固体撮像素子７と電子回路８が一緒
に固定されたシールド筒であり、２０は、可動レンズ保
持枠体１２をガタつかないように後方に向けて付勢する
コイルスプリングである。Reference numeral 9 denotes a shield tube in which the solid-state image sensor 7 and the electronic circuit 8 are fixed together. Reference numeral 20 denotes a coil spring that urges the movable lens holding frame 12 rearward so as not to rattle. is there.
【００１６】１４は、可動レンズ保持枠体１２を光軸方
向に進退駆動するためのレンズ系駆動用軸体であり、軸
線回りに回転自在に対物光学系５，６の光軸と平行に配
置されている。Reference numeral 14 denotes a lens driving shaft for driving the movable lens holding frame 12 forward and backward in the direction of the optical axis, and is disposed parallel to the optical axes of the objective optical systems 5 and 6 so as to be rotatable around the axis. Have been.
【００１７】レンズ系駆動用軸体１４の先側部分には可
動レンズ保持枠体１２に形成された雌ネジ孔と螺合する
雄ネジ部１５が形成され、レンズ系駆動用軸体１４の最
先端部分は対物ユニット保持筒１１に形成された軸受孔
に回転自在に嵌挿されている。したがって、レンズ系駆
動用軸体１４がその軸線回りに回転することにより、可
動レンズ保持枠体１２が光軸方向に移動する。At the leading end of the lens system driving shaft 14, a male screw portion 15 to be screwed with a female screw hole formed in the movable lens holding frame 12 is formed. The tip portion is rotatably fitted in a bearing hole formed in the objective unit holding cylinder 11. Therefore, the movable lens holding frame 12 moves in the optical axis direction by rotating the lens system driving shaft 14 around its axis.
【００１８】レンズ系駆動用軸体１４の後方には、レン
ズ系駆動用軸体１４を回転駆動するためのレンズ系駆動
用モータ１６が、先端部本体１の後端に取り付けられた
モータホルダー１７に支持された状態に配置され、レン
ズ系駆動用モータ１６の出力軸とレンズ系駆動用軸体１
４とが継ぎ管１８によって連結されている。Behind the lens driving shaft 14, a lens driving motor 16 for rotating and driving the lens driving shaft 14 is provided with a motor holder 17 mounted on the rear end of the front end body 1. The output shaft of the lens drive motor 16 and the lens drive shaft 1
4 are connected by a connecting pipe 18.
【００１９】撮像素子保持枠体１３には、II−II断面を
図示する図２にも示されるように、断面形状が略正方形
状のシールド筒９を保持する孔が長手方向の軸線位置に
貫通形成されている。As shown in FIG. 2 showing the II-II cross section, a hole for holding the shield tube 9 having a substantially square cross section penetrates through the image pickup element holding frame 13 at an axial position in the longitudinal direction. Is formed.
【００２０】そして、撮像素子保持枠体１３の外周面
は、円形の断面形状を左右両側部分で平面状に切り削い
だ形状に形成されて、同形状の対物ユニット保持筒１１
の内周面内に配置され、軸線回りの回転が規制されてい
る。The outer peripheral surface of the image pickup element holding frame 13 is formed in a shape obtained by cutting a circular cross-section into a flat shape on both left and right portions, and the objective unit holding cylinder 11 having the same shape is cut off.
, And the rotation about the axis is restricted.
【００２１】そのような形状に形成された撮像素子保持
枠体１３の上下両側の厚みのある部分(即ち、固体撮像
素子７の対辺方向の位置）には、レンズ系駆動用軸体１
４が嵌合通過する貫通孔１９が一方に形成されており、
レンズ系駆動用軸体１４は、撮像素子保持枠体１３を軸
線方向にスライド自在に支持する機能も果たしている。On the upper and lower thick portions of the image sensor holding frame 13 formed in such a shape (that is, the position in the opposite side direction of the solid-state image sensor 7), the lens driving shaft 1 is provided.
4 is formed on one side, through which the fitting 4 passes.
The lens driving shaft 14 also has a function of supporting the imaging element holding frame 13 slidably in the axial direction.
【００２２】また、撮像素子保持枠体１３の他方には、
レンズ系駆動用軸体１４と平行に配置された撮像素子駆
動用軸体２４に形成されている雄ネジ部２５と螺合する
雌ネジ孔が、貫通孔１９と対称の位置（撮像素子保持枠
体１３の中心軸位置に対し貫通孔１９と略対称の位置）
に貫通形成されている。Further, on the other side of the image sensor holding frame 13,
A female screw hole screwed into a male screw portion 25 formed on the image sensor driving shaft 24 arranged in parallel with the lens system driving shaft 14 is symmetrical with the through hole 19 (image sensor holding frame). (A position substantially symmetrical with the through hole 19 with respect to the center axis position of the body 13)
Is formed in the through hole.
【００２３】撮像素子駆動用軸体２４の後方には、撮像
素子駆動用軸体２４を回転駆動するための撮像素子駆動
用モータ２６が、先端部本体１の後端に取り付けられた
モータホルダー２７に支持された状態に配置され、撮像
素子駆動用モータ２６の出力軸と撮像素子駆動用軸体２
４とが継ぎ管２８によって連結されている。Behind the image pickup element driving shaft 24, an image pickup element driving motor 26 for rotating and driving the image pickup element driving shaft 24 is provided with a motor holder 27 attached to the rear end of the front end body 1. The output shaft of the image sensor driving motor 26 and the image sensor driving shaft 2
4 are connected by a connecting pipe 28.
【００２４】可動レンズ保持枠体１２には、撮像素子駆
動用軸体２４の先端近傍部分が通過する貫通孔２９が貫
通形成されていて、撮像素子駆動用軸体２４の最先端部
分は対物ユニット保持筒１１に形成された軸受孔に回転
自在に嵌挿されている。The movable lens holding frame 12 is formed with a through-hole 29 through which a portion near the front end of the imaging element driving shaft 24 passes. It is rotatably fitted into a bearing hole formed in the holding cylinder 11.
【００２５】したがって、撮像素子駆動用軸体２４は可
動レンズ保持枠体１２を軸線方向にスライド自在に支持
して、可動レンズ系６の光軸のずれ、倒れ等を防止する
機能も果たしており、撮像素子駆動用モータ２６で撮像
素子駆動用軸体２４を回転駆動すれば、撮像素子保持枠
体１３が光軸方向に進退する。Therefore, the imaging element driving shaft 24 supports the movable lens holding frame 12 slidably in the axial direction, and also has a function of preventing the optical axis of the movable lens system 6 from being shifted or tilted. When the imaging element driving shaft 24 is driven to rotate by the imaging element driving motor 26, the imaging element holding frame 13 moves back and forth in the optical axis direction.
【００２６】その結果、レンズ系駆動用モータ１６と撮
像素子駆動用モータ２６の駆動電流を各々遠隔制御する
ことにより、可動レンズ系６と固体撮像素子７とを光軸
方向に進退させて、フォーカシングとズーミングの一方
又は両方を行うことができる。As a result, the drive current of the lens system drive motor 16 and the drive current of the image pickup device drive motor 26 are remotely controlled, so that the movable lens system 6 and the solid-state image pickup device 7 are moved forward and backward in the optical axis direction, and the And / or zooming.
【００２７】このように構成された対物光学系移動機構
付き電子内視鏡は、図３にも示されるように、レンズ系
駆動用軸体１４が撮像素子保持枠体１３を軸線方向に貫
通した状態に配置されているので、可動レンズ保持枠体
１２を進退駆動するための機構が太くならない。In the electronic endoscope with the objective optical system moving mechanism configured as described above, as shown in FIG. 3, the lens driving shaft 14 penetrates the image pickup device holding frame 13 in the axial direction. Since it is arranged in the state, the mechanism for driving the movable lens holding frame 12 to move forward and backward does not become thick.
【００２８】また、撮像素子駆動用軸体２４も撮像素子
保持枠体１３の軸線に対してレンズ系駆動用軸体１４と
略等距離の位置に配置されていて、撮像素子保持枠体１
３を進退駆動するための機構が撮像素子保持枠体１３か
ら突出しないので、可動レンズ保持枠体１２を進退駆動
するための機構も太くならない。The imaging device driving shaft 24 is also disposed at a position substantially equidistant from the lens system driving shaft 14 with respect to the axis of the imaging device holding frame 13.
Since the mechanism for moving the movable lens holding frame 12 forward and backward does not protrude from the imaging element holding frame 13, the mechanism for moving the movable lens holding frame 12 forward and backward does not become thick.
【００２９】なお、本発明は上記実施例に限定されるも
のではなく、例えばレンズ系駆動用軸体１４が貫通する
ように撮像素子保持枠体１３に形成された貫通孔１９
は、図４に示されるように溝１９′状のものであっても
差し支えない。The present invention is not limited to the above-described embodiment. For example, a through hole 19 formed in the imaging element holding frame 13 so that the lens driving shaft 14 passes therethrough.
May be in the shape of a groove 19 'as shown in FIG.
【００３０】また、レンズ系駆動用軸体１４と撮像素子
駆動用軸体２４を回転駆動するためのレンズ系駆動用モ
ータ１６と撮像素子駆動用モータ２６を、内視鏡の挿入
部に内蔵せず、外部に配置したモータの回転を、挿入部
内に挿通配置した可撓軸等によって伝達するようにした
ものであっても差し支えない。Further, a lens system drive motor 16 and an image sensor drive motor 26 for rotating the lens system drive shaft 14 and the image sensor drive shaft 24 are built in the insertion portion of the endoscope. Alternatively, the rotation of the motor disposed outside may be transmitted by a flexible shaft or the like inserted through the insertion portion.
【００３１】また、レンズ系駆動用軸体１４や撮像素子
駆動用軸体２４が、軸線回りに回転するのではなく軸線
方向にスライドする操作ワイヤ等であっても差し支えな
い。Further, the lens system driving shaft 14 and the imaging device driving shaft 24 may be operating wires or the like that slide in the axial direction instead of rotating around the axis.
【００３２】[0032]
【発明の効果】本発明によれば、可動レンズ系を軸線方
向に進退駆動させるためのレンズ系駆動用軸体が、固体
撮像素子を保持するための撮像素子保持枠体を軸線方向
に貫通した状態に配置されていることにより、レンズ系
駆動機構を細くコンパクトに構成することができるの
で、内視鏡の挿入部の先端が太くならず、内視鏡検査を
受ける人にとって苦痛の少ない対物光学系移動機構付き
電子内視鏡を提供することができる。According to the present invention, the lens driving shaft for moving the movable lens system forward and backward in the axial direction penetrates the imaging device holding frame for holding the solid-state imaging device in the axial direction. Since the lens system drive mechanism can be configured to be thin and compact by being arranged in the state, the distal end of the insertion section of the endoscope does not become thick, and the objective optics which is less painful for a person who undergoes endoscopic examination. An electronic endoscope with a system moving mechanism can be provided.
【図１】本発明の実施例の対物光学系移動機構付き電子
内視鏡の挿入部の先端部分の側面断面図である。FIG. 1 is a side sectional view of a distal end portion of an insertion portion of an electronic endoscope with an objective optical system moving mechanism according to an embodiment of the present invention.
【図２】本発明の実施例の対物光学系移動機構付き電子
内視鏡のII−II断面図である。FIG. 2 is a sectional view taken along line II-II of the electronic endoscope with the objective optical system moving mechanism according to the embodiment of the present invention.
【図３】本発明の実施例の対物レンズ移動機構（ユニッ
ト）の斜視図である。FIG. 3 is a perspective view of an objective lens moving mechanism (unit) according to the embodiment of the present invention.
【図４】本発明の実施例の対物光学系移動機構付き電子
内視鏡の変形例のII−II断面に相当する断面図である。FIG. 4 is a cross-sectional view corresponding to a II-II cross section of a modification of the electronic endoscope with the objective optical system moving mechanism according to the embodiment of the present invention.
【図５】従来の対物光学系移動機構付き電子内視鏡の対
物レンズ移動機構の斜視図である。FIG. 5 is a perspective view of a conventional objective lens moving mechanism of an electronic endoscope with an objective optical system moving mechanism.
１ 先端部本体 ２ 観察窓 ５ 固定レンズ系 ６ 可動レンズ系 ７ 固体撮像素子 １１ 対物ユニット保持筒 １２ 可動レンズ保持枠体 １３ 撮像素子保持枠体 １４ レンズ系駆動用軸体 １５ 雄ネジ部 １６ レンズ系駆動用モータ １９ 貫通孔 ２４ 撮像素子駆動用軸体 ２５ 雄ネジ部 ２６ 撮像素子駆動用モータ ２９ 貫通孔 DESCRIPTION OF SYMBOLS 1 Front-end | tip main body 2 Observation window 5 Fixed lens system 6 Movable lens system 7 Solid-state image sensor 11 Object unit holding cylinder 12 Movable lens holding frame 13 Image sensor holding frame 14 Lens system drive shaft 15 Male screw part 16 Lens system Driving motor 19 Through hole 24 Image sensor driving shaft 25 Male screw part 26 Image sensor driving motor 29 Through hole
Claims (5)
像素子の前方に、対物光学系の少なくとも一部を構成す
る可動レンズ系が遠隔操作により軸線方向に移動可能に
配置された対物光学系移動機構付き電子内視鏡におい
て、 上記可動レンズ系を軸線方向に進退駆動させるためのレ
ンズ系駆動用軸体が、上記固体撮像素子を保持するため
の撮像素子保持枠体を軸線方向に貫通した状態に配置さ
れていることを特徴とする対物光学系移動機構付き電子
内視鏡。A movable lens system constituting at least a part of an objective optical system is disposed in front of a solid-state image pickup device built in a distal end of an insertion portion of an endoscope so as to be movable in an axial direction by remote control. In an electronic endoscope with an objective optical system moving mechanism, a lens system driving shaft for driving the movable lens system to advance and retreat in the axial direction includes an image sensor holding frame for holding the solid-state image sensor in the axial direction. An electronic endoscope with an objective optical system moving mechanism, wherein the electronic endoscope is disposed so as to penetrate through the endoscope.
対辺方向の位置に上記レンズ系駆動用軸体が配置されて
いる請求項１記載の対物光学系移動機構付き電子内視
鏡。2. An electronic endoscope with an objective optical system moving mechanism according to claim 1, wherein said solid-state imaging device is rectangular, and said lens driving shaft is disposed at a position in a direction opposite to said side.
保持枠体を軸線方向に貫通して穿設された孔又は溝内に
嵌挿されている請求項１又は２記載の対物光学系移動機
構付き電子内視鏡。3. The objective optical system according to claim 1, wherein the lens system driving shaft is inserted into a hole or a groove formed through the image sensor holding frame in an axial direction. An electronic endoscope with a system movement mechanism.
動するための撮像素子駆動用軸体が、上記撮像素子保持
枠体の軸線に対して上記レンズ系駆動用軸体と略等距離
離れた位置に配置されている請求項１、２又は３記載の
対物光学系移動機構付き電子内視鏡。4. An imaging element driving shaft for moving the imaging element holding frame forward and backward in the axial direction is substantially equidistant from the lens system driving shaft with respect to the axis of the imaging element holding frame. 4. The electronic endoscope with an objective optical system moving mechanism according to claim 1, wherein the electronic endoscope is arranged at a remote position.
記可動レンズ系を保持する可動レンズ保持枠体に形成さ
れた孔内に嵌挿されて、上記可動レンズ保持枠体を支持
している請求項４記載の対物光学系移動機構付き電子内
視鏡。5. A movable lens holding frame for supporting the movable lens holding frame, wherein a tip end portion of the imaging element driving shaft is inserted into a hole formed in a movable lens holding frame for holding the movable lens system. The electronic endoscope with an objective optical system moving mechanism according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001092458A JP2002282201A (en) | 2001-03-28 | 2001-03-28 | Electronic endoscope with objective optical system moving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001092458A JP2002282201A (en) | 2001-03-28 | 2001-03-28 | Electronic endoscope with objective optical system moving mechanism |
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| Publication Number | Publication Date |
|---|---|
| JP2002282201A true JP2002282201A (en) | 2002-10-02 |
Family
ID=18946917
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001092458A Withdrawn JP2002282201A (en) | 2001-03-28 | 2001-03-28 | Electronic endoscope with objective optical system moving mechanism |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2294965A1 (en) * | 2008-06-17 | 2011-03-16 | FUJIFILM Corporation | Electronic endoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2294965A1 (en) * | 2008-06-17 | 2011-03-16 | FUJIFILM Corporation | Electronic endoscope |
| EP2294965A4 (en) * | 2008-06-17 | 2014-03-12 | Fujifilm Corp | Electronic endoscope |
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