DE69124752T2 - Kontrolleinrichtung für einen Linsenantrieb - Google Patents

Kontrolleinrichtung für einen Linsenantrieb

Info

Publication number
DE69124752T2
DE69124752T2 DE69124752T DE69124752T DE69124752T2 DE 69124752 T2 DE69124752 T2 DE 69124752T2 DE 69124752 T DE69124752 T DE 69124752T DE 69124752 T DE69124752 T DE 69124752T DE 69124752 T2 DE69124752 T2 DE 69124752T2
Authority
DE
Germany
Prior art keywords
control device
lens drive
lens
drive
control
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.)
Expired - Fee Related
Application number
DE69124752T
Other languages
English (en)
Other versions
DE69124752D1 (de
Inventor
Masahide Hirasawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2122037A external-priority patent/JP2974371B2/ja
Priority claimed from JP2139038A external-priority patent/JP2925245B2/ja
Priority claimed from JP2139037A external-priority patent/JP2925244B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69124752D1 publication Critical patent/DE69124752D1/de
Publication of DE69124752T2 publication Critical patent/DE69124752T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
DE69124752T 1990-05-10 1991-05-08 Kontrolleinrichtung für einen Linsenantrieb Expired - Fee Related DE69124752T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2122037A JP2974371B2 (ja) 1990-05-10 1990-05-10 駆動制御装置
JP2139038A JP2925245B2 (ja) 1990-05-28 1990-05-28 駆動制御装置
JP2139037A JP2925244B2 (ja) 1990-05-28 1990-05-28 駆動制御装置

Publications (2)

Publication Number Publication Date
DE69124752D1 DE69124752D1 (de) 1997-04-03
DE69124752T2 true DE69124752T2 (de) 1997-07-10

Family

ID=27314373

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69124752T Expired - Fee Related DE69124752T2 (de) 1990-05-10 1991-05-08 Kontrolleinrichtung für einen Linsenantrieb

Country Status (3)

Country Link
US (2) US5287223A (de)
EP (1) EP0456234B1 (de)
DE (1) DE69124752T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2810494B2 (ja) * 1990-06-14 1998-10-15 キヤノン株式会社 ビデオカメラ装置
US5438190A (en) * 1991-07-22 1995-08-01 Canon Kabushiki Kaisha Lens control device
US5638217A (en) * 1991-08-20 1997-06-10 Canon Kabushiki Kaisha Lens control device
DE4136582A1 (de) * 1991-11-07 1993-05-13 Hell Ag Linotype Vorrichtung zur uebertragung von optischen signalen
US5565919A (en) * 1992-03-12 1996-10-15 Hitachi, Ltd. Video camera/VTR and camera station with opto-electronic link between camera/VTR and camera station
EP0579404B1 (de) * 1992-06-29 1999-08-25 Canon Kabushiki Kaisha Objektivkontrollgerät
KR0147572B1 (ko) * 1992-10-09 1998-09-15 김광호 자동 줌잉을 위한 피사체 추적방법 및 그 장치
US5757429A (en) * 1993-06-17 1998-05-26 Sanyo Electric Co., Ltd. Automatic focusing apparatus which adjusts the speed of focusing based on a change in the rate of the focus evaluating value
US5666569A (en) * 1994-08-25 1997-09-09 Flashpoint Technology, Inc. System and method for detecting and indicating proper focal distance in a fixed lens camera
JPH0862487A (ja) * 1994-08-26 1996-03-08 Nikon Corp 変倍光学系レンズ位置制御装置
US5860030A (en) * 1994-09-22 1999-01-12 Sony Corporation Lens barrel
JPH08275590A (ja) * 1995-03-27 1996-10-18 Sony Corp 携帯用ビデオカメラ
JPH0946570A (ja) * 1995-07-26 1997-02-14 Canon Inc 撮像装置
US6577343B2 (en) * 1996-12-03 2003-06-10 Canon Kabushiki Kaisha Image pickup apparatus with lens control apparatus and focusing lens control
JP3880706B2 (ja) * 1997-09-29 2007-02-14 フジノン株式会社 テレビレンズの駆動装置
JPH11271592A (ja) * 1998-03-24 1999-10-08 Fuji Photo Optical Co Ltd テレビレンズ用操作装置
US7079182B1 (en) 1999-10-28 2006-07-18 Canon Kabushiki Kaisha Optical apparatus, optical apparatus driving unit and camera system
AU2009210402A1 (en) * 2002-07-24 2009-09-10 Timi 3 Systems, Inc. Systems and methods for monitoring and enabling use of a medical instrument
JP3917104B2 (ja) * 2003-04-25 2007-05-23 コニカミノルタフォトイメージング株式会社 撮像装置
JP3895357B2 (ja) * 2005-06-21 2007-03-22 日東光学株式会社 信号処理装置
KR100781273B1 (ko) * 2006-02-20 2007-11-30 엘지전자 주식회사 카메라 모듈의 오차 보정 장치 및 그 방법
US8947526B2 (en) * 2006-12-07 2015-02-03 Sensormatic Electronics, LLC Video surveillance system having communication acknowledgement nod
US8368801B2 (en) * 2007-08-29 2013-02-05 Panasonic Corporation Camera system and interchangeable lens
JP4974912B2 (ja) * 2008-01-22 2012-07-11 キヤノン株式会社 撮像装置
WO2016101092A1 (zh) * 2014-12-22 2016-06-30 杭州唐光科技有限公司 一种数字显微镜及其聚焦方法
EP3511812B1 (de) * 2018-01-15 2021-06-23 Canon Kabushiki Kaisha Elektronische vorrichtung, verfahren zur steuerung dafür und programm

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935763A (en) * 1987-02-02 1990-06-19 Minolta Camera Kabushiki Kaisha Camera having a zoom lens unit
JP2744239B2 (ja) * 1988-01-14 1998-04-28 オリンパス光学工業株式会社 レンズ駆動装置
US4920369A (en) * 1988-05-06 1990-04-24 Canon Kabushiki Kaisha Lens position control device
US5005956A (en) * 1988-06-01 1991-04-09 Canon Kabushiki Kaisha Lens position control device
JP2644530B2 (ja) * 1988-06-01 1997-08-25 キヤノン株式会社 レンズ位置制御装置
US5038163A (en) * 1988-08-31 1991-08-06 Canon Kabushiki Kaisha Camera system
US4991944A (en) * 1988-12-27 1991-02-12 Matsushita Electric Industrial Co., Ltd. Zoom lens driving apparatus
US5144491A (en) * 1989-04-24 1992-09-01 Canon Kabushiki Kaisha Apparatus with lens control device
JP2728943B2 (ja) * 1989-07-08 1998-03-18 キヤノン株式会社 レンズ制御装置
US5144492A (en) * 1990-03-12 1992-09-01 Canon Kabushiki Kaisha Lens control system

Also Published As

Publication number Publication date
US5287223A (en) 1994-02-15
US5570236A (en) 1996-10-29
EP0456234A1 (de) 1991-11-13
EP0456234B1 (de) 1997-02-26
DE69124752D1 (de) 1997-04-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee