DK0418586T3 - Apparatur til korrektion af et brændpunkt i overensstemmelse med linsetemperaturen - Google Patents

Apparatur til korrektion af et brændpunkt i overensstemmelse med linsetemperaturen

Info

Publication number
DK0418586T3
DK0418586T3 DK90116194.3T DK90116194T DK0418586T3 DK 0418586 T3 DK0418586 T3 DK 0418586T3 DK 90116194 T DK90116194 T DK 90116194T DK 0418586 T3 DK0418586 T3 DK 0418586T3
Authority
DK
Denmark
Prior art keywords
correcting
accordance
focal point
lens temperature
lens
Prior art date
Application number
DK90116194.3T
Other languages
English (en)
Inventor
Koji Yamashita
Original Assignee
Hirakawa Kogyosha Kk
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
Application filed by Hirakawa Kogyosha Kk filed Critical Hirakawa Kogyosha Kk
Application granted granted Critical
Publication of DK0418586T3 publication Critical patent/DK0418586T3/da

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
  • Facsimile Scanning Arrangements (AREA)
DK90116194.3T 1989-08-31 1990-08-23 Apparatur til korrektion af et brændpunkt i overensstemmelse med linsetemperaturen DK0418586T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1225120A JPH0387801A (ja) 1989-08-31 1989-08-31 焦点位置の温度補償装置

Publications (1)

Publication Number Publication Date
DK0418586T3 true DK0418586T3 (da) 1996-12-30

Family

ID=16824279

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90116194.3T DK0418586T3 (da) 1989-08-31 1990-08-23 Apparatur til korrektion af et brændpunkt i overensstemmelse med linsetemperaturen

Country Status (5)

Country Link
US (1) US5124738A (da)
EP (1) EP0418586B1 (da)
JP (1) JPH0387801A (da)
DE (2) DE418586T1 (da)
DK (1) DK0418586T3 (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5552847A (en) * 1991-10-25 1996-09-03 Nikon Corporation Lens barrel
JP3289856B2 (ja) * 1993-10-14 2002-06-10 ミノルタ株式会社 温度補正装置
JPH07248445A (ja) * 1994-03-14 1995-09-26 Sony Corp ズームレンズ装置
JP3185908B2 (ja) * 1994-06-14 2001-07-11 ノーリツ鋼機株式会社 写真焼付装置
KR100216087B1 (ko) * 1994-07-26 1999-08-16 미따라이 하지메 광학기기
JPH0895682A (ja) * 1994-09-29 1996-04-12 Canon Inc 電子機器
US6268885B1 (en) 1996-01-31 2001-07-31 Canon Kabushiki Kaisha Optical apparatus for correcting focus based on temperature and humidity
JP3581513B2 (ja) * 1997-01-23 2004-10-27 キヤノン株式会社 光学機器
JP2000347263A (ja) * 1999-06-09 2000-12-15 Olympus Optical Co Ltd カメラの電気回路
US6327081B1 (en) 2000-05-08 2001-12-04 Optec, Inc. Temperature compensating focuser for telescope
US7574126B2 (en) * 2003-12-09 2009-08-11 Panasonic Corporation Lens driving apparatus, imaging apparatus, and lens barrel and camera main body used for this
JP4549964B2 (ja) * 2005-11-28 2010-09-22 株式会社リコー 光学ユニット、画像読取装置および画像形成装置
US8296088B2 (en) * 2006-06-02 2012-10-23 Luminex Corporation Systems and methods for performing measurements of one or more materials
CN101169505A (zh) * 2006-10-27 2008-04-30 鸿富锦精密工业（深圳）有限公司 镜头模组
KR100820966B1 (ko) * 2006-12-07 2008-04-11 엘지전자 주식회사 온도 검출에 따른 카메라 동작 제어장치 및 방법
US7697218B2 (en) * 2007-12-26 2010-04-13 Canon Kabushiki Kaisha Lens control apparatus, lens barrel, imaging apparatus, and optical apparatus
US20110273525A1 (en) * 2010-05-05 2011-11-10 Israel Schuster Method for changing focus position of a lens
JP5803090B2 (ja) * 2010-11-02 2015-11-04 ソニー株式会社 撮像装置、撮像装置の制御方法およびプログラム。
US8817384B2 (en) 2011-06-10 2014-08-26 Yamano Optical Co., Ltd. Zoom lens device
SE539955C2 (en) 2015-06-23 2018-02-13 Ali Mohamed Mansour A Solar Thermal Energy Accumulator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625607A (en) * 1969-05-22 1971-12-07 Warren Childers Automatic focusing camera
JPS5397418A (en) * 1977-02-07 1978-08-25 Dainippon Screen Mfg Method of copying machine camera*s automatic focusing and its equipment
DE2917176C3 (de) * 1979-04-27 1986-11-13 Optische Werke G. Rodenstock, 8000 München Reproduktionsobjektiv für computergesteuerte Repro Geräte
US4330870A (en) * 1980-09-05 1982-05-18 Datapoint Corporation Optical data link
JPS60235110A (ja) * 1984-05-07 1985-11-21 Minolta Camera Co Ltd 焦点検出装置の温度補償装置
JPH0664223B2 (ja) * 1984-12-04 1994-08-22 株式会社ニコン トラッキング調整機構を備えるズームレンズ
FR2586828B1 (fr) * 1985-08-29 1988-08-12 Angenieux P Ets Objectif a infra-rouge, a distance focale variable.
FR2616231B1 (fr) * 1987-06-04 1990-11-16 Trt Telecom Radio Electr Systeme optique a focale variable et commande electromecanique associee
JPH01288806A (ja) * 1988-05-16 1989-11-21 Minolta Camera Co Ltd カメラにおけるレンズバック変動補正装置

Also Published As

Publication number Publication date
JPH0387801A (ja) 1991-04-12
EP0418586A1 (en) 1991-03-27
DE418586T1 (de) 1991-08-14
US5124738A (en) 1992-06-23
DE69029349D1 (de) 1997-01-23
EP0418586B1 (en) 1996-12-11
DE69029349T2 (de) 1997-05-28

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