MY110099A - Exposure control apparatus of camera. - Google Patents

Exposure control apparatus of camera.

Info

Publication number
MY110099A
MY110099A MYPI92000648A MYPI19920648A MY110099A MY 110099 A MY110099 A MY 110099A MY PI92000648 A MYPI92000648 A MY PI92000648A MY PI19920648 A MYPI19920648 A MY PI19920648A MY 110099 A MY110099 A MY 110099A
Authority
MY
Malaysia
Prior art keywords
exposure
control apparatus
camera
exposure control
factors
Prior art date
Application number
MYPI92000648A
Inventor
Kitazawa Toshiyuki
Nakano Satoshi
Hirai Isamu
Yamamoto Masato
Yamanaka Toshimasa
Sensui Takayuki
Sato Osamu
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/en
Priority claimed from JP03361198A external-priority patent/JP3100724B2/en
Application filed by Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Publication of MY110099A publication Critical patent/MY110099A/en

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)

Abstract

AN EXPOSURE CONTROL APPARATUS OF A CAMERA WHEREIN A PAIR OF EXPOSURE FACTORS, INCLUDING A SHUTTER SPEED AND A DIAPHRAGM VALUE, CAN BE MANUALLY AND INDEPENDENTLY SET. FURTHERMORE, IN THE EXPOSURE CONTROL APPARATUS, AN EXPOSURE VALUE DETERMINED IN ACCORDANCE WITH THE EXPOSURE FACTORS CAN BE LOCKED, AND ONE OF THE EXPOSURE FACTORS CAN BE VARIED, BASED ON THE LOCKED EXPOSURE VALUE, WHEN THE OTHER EXPOSURE FACTOR IS VARIED BY THE ASSOCIATED MANUAL SETTING MEANS. (FIG.4)
MYPI92000648A 1991-04-15 1992-04-15 Exposure control apparatus of camera. MY110099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP17349591 1991-04-15
JP3214834A JP2997343B2 (en) 1991-05-21 1991-05-21 Camera exposure control device
JP03361198A JP3100724B2 (en) 1991-04-15 1991-11-28 Camera exposure control device

Publications (1)

Publication Number Publication Date
MY110099A true MY110099A (en) 1998-01-27

Family

ID=27323788

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI92000648A MY110099A (en) 1991-04-15 1992-04-15 Exposure control apparatus of camera.

Country Status (7)

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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1185055B (en) * 1958-08-26 1965-01-07 Agfa Ag Photographic camera with a device for controlling the aperture and exposure time setting according to a predetermined program
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 (en) * 1984-02-20 1985-09-06 Asahi Optical Co Ltd Automatic exposure camera
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 (en) * 1986-03-14 1995-09-13 オリンパス光学工業株式会社 Camera program exposure characteristic setting method and setting apparatus

Also Published As

Publication number Publication date
FR2675277A1 (en) 1992-10-16
GB9208332D0 (en) 1992-06-03
AU1489192A (en) 1992-10-22
DE4212660A1 (en) 1992-10-22
AU649804B2 (en) 1994-06-02
GB2256060A (en) 1992-11-25
GB2256060B (en) 1994-07-13
CA2066064C (en) 2001-07-31
HK36495A (en) 1995-03-24
FR2675277B1 (en) 1995-01-20
DE4212660C2 (en) 1997-11-06
CA2066064A1 (en) 1992-10-16

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