CA2066064C - Dispositif de commande d'exposition pour appareil photo - Google Patents

Dispositif de commande d'exposition pour appareil photo Download PDF

Info

Publication number
CA2066064C
CA2066064C CA 2066064 CA2066064A CA2066064C CA 2066064 C CA2066064 C CA 2066064C CA 2066064 CA2066064 CA 2066064 CA 2066064 A CA2066064 A CA 2066064A CA 2066064 C CA2066064 C CA 2066064C
Authority
CA
Canada
Prior art keywords
value
exposure
shutter speed
diaphragm
mode
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
CA 2066064
Other languages
English (en)
Other versions
CA2066064A1 (fr
Inventor
Osamu Sato
Satoshi Nakano
Isamu Hirai
Toshiyuki Kitazawa
Takayuki Sensui
Masato Yamamoto
Toshimasa Yamanaka
Takenao Shishikura
Akio Takahashi
Nobuhiko Matsudo
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of CA2066064A1 publication Critical patent/CA2066064A1/fr
Application granted granted Critical
Publication of CA2066064C publication Critical patent/CA2066064C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA 2066064 1991-04-15 1992-04-14 Dispositif de commande d'exposition pour appareil photo Expired - Fee Related CA2066064C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP3-173495 1991-04-15
JP17349591 1991-04-15
JP3-214834 1991-05-21
JP3214834A JP2997343B2 (ja) 1991-05-21 1991-05-21 カメラの露出制御装置
JP3-361198 1991-11-28
JP03361198A JP3100724B2 (ja) 1991-04-15 1991-11-28 カメラの露出制御装置

Publications (2)

Publication Number Publication Date
CA2066064A1 CA2066064A1 (fr) 1992-10-16
CA2066064C true CA2066064C (fr) 2001-07-31

Family

ID=27323788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2066064 Expired - Fee Related CA2066064C (fr) 1991-04-15 1992-04-14 Dispositif de commande d'exposition pour appareil photo

Country Status (7)

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

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
FR2675277A1 (fr) 1992-10-16
GB9208332D0 (en) 1992-06-03
AU1489192A (en) 1992-10-22
DE4212660A1 (de) 1992-10-22
AU649804B2 (en) 1994-06-02
GB2256060A (en) 1992-11-25
GB2256060B (en) 1994-07-13
HK36495A (en) 1995-03-24
FR2675277B1 (fr) 1995-01-20
DE4212660C2 (de) 1997-11-06
CA2066064A1 (fr) 1992-10-16
MY110099A (en) 1998-01-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20100414