HK36495A - Exposure control apparatus of camera - Google Patents

Exposure control apparatus of camera

Info

Publication number
HK36495A
HK36495A HK36495A HK36495A HK36495A HK 36495 A HK36495 A HK 36495A HK 36495 A HK36495 A HK 36495A HK 36495 A HK36495 A HK 36495A HK 36495 A HK36495 A HK 36495A
Authority
HK
Hong Kong
Prior art keywords
camera
control apparatus
exposure control
exposure
control
Prior art date
Application number
HK36495A
Other languages
English (en)
Inventor
Osamu Sato
Satoshi Nakano
Isamu Hirai
Toshiyuki Kitazawa
Takayuki Sensui
Masato Yamamoto
Toshimasa Yamanaka
Takenao Shishikura
Akio Takahashi
Nobuhiko Matsudo
Original Assignee
Asahi Optical Co Ltd
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 JP3214834A external-priority patent/JP2997343B2/ja
Priority claimed from JP03361198A external-priority patent/JP3100724B2/ja
Application filed by Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Publication of HK36495A publication Critical patent/HK36495A/xx

Links

Classifications

    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
HK36495A 1991-04-15 1995-03-16 Exposure control apparatus of camera HK36495A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP17349591 1991-04-15
JP3214834A JP2997343B2 (ja) 1991-05-21 1991-05-21 カメラの露出制御装置
JP03361198A JP3100724B2 (ja) 1991-04-15 1991-11-28 カメラの露出制御装置

Publications (1)

Publication Number Publication Date
HK36495A true HK36495A (en) 1995-03-24

Family

ID=27323788

Family Applications (1)

Application Number Title Priority Date Filing Date
HK36495A HK36495A (en) 1991-04-15 1995-03-16 Exposure control apparatus of camera

Country Status (7)

Country Link
AU (1) AU649804B2 (de)
CA (1) CA2066064C (de)
DE (1) DE4212660C2 (de)
FR (1) FR2675277B1 (de)
GB (1) GB2256060B (de)
HK (1) HK36495A (de)
MY (1) MY110099A (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1185055B (de) * 1958-08-26 1965-01-07 Agfa Ag Fotografische Kamera mit einer Einrichtung zur Steuerung des Blenden- und des Belichtungszeiteinstellers nach einem vorbestimmten Programm
US4103307A (en) * 1973-07-16 1978-07-25 Canon Kabushiki Kaisha Exposure control device
GB1552597A (en) * 1975-10-09 1979-09-19 Haskell R Camera controller
JPS5478124A (en) * 1977-12-03 1979-06-22 Nippon Chemical Ind Automatic exposure control camera display unit
JPS54151445A (en) * 1978-05-19 1979-11-28 Canon Inc Camera
JPS5624326A (en) * 1979-08-07 1981-03-07 Canon Inc Camera of program system
JPS60173526A (ja) * 1984-02-20 1985-09-06 Asahi Optical Co Ltd 自動露出カメラ
US4653893A (en) * 1984-09-03 1987-03-31 Minolta Camera Co., Ltd. Camera exposure calculating device
US4792823A (en) * 1985-06-27 1988-12-20 Minolta Camera Kabushiki Kaisha Camera and camera system
JPH0785154B2 (ja) * 1986-03-14 1995-09-13 オリンパス光学工業株式会社 カメラのプログラム露出特性の設定方法および設定装置

Also Published As

Publication number Publication date
DE4212660C2 (de) 1997-11-06
GB2256060A (en) 1992-11-25
GB2256060B (en) 1994-07-13
FR2675277B1 (fr) 1995-01-20
FR2675277A1 (fr) 1992-10-16
CA2066064C (en) 2001-07-31
AU649804B2 (en) 1994-06-02
DE4212660A1 (de) 1992-10-22
CA2066064A1 (en) 1992-10-16
MY110099A (en) 1998-01-27
AU1489192A (en) 1992-10-22
GB9208332D0 (en) 1992-06-03

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110415