GB9208330D0 - Exposure control apparatus of camera - Google Patents

Exposure control apparatus of camera

Info

Publication number
GB9208330D0
GB9208330D0 GB9208330A GB9208330A GB9208330D0 GB 9208330 D0 GB9208330 D0 GB 9208330D0 GB 9208330 A GB9208330 A GB 9208330A GB 9208330 A GB9208330 A GB 9208330A GB 9208330 D0 GB9208330 D0 GB 9208330D0
Authority
GB
United Kingdom
Prior art keywords
camera
control apparatus
exposure control
exposure
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.)
Granted
Application number
GB9208330A
Other versions
GB2255649B (en
GB2255649A (en
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 JP03342128A external-priority patent/JP3140521B2/en
Priority claimed from JP3342133A external-priority patent/JPH0527295A/en
Priority claimed from JP34212791A external-priority patent/JP3164622B2/en
Priority claimed from JP34214691A external-priority patent/JP3199802B2/en
Priority claimed from JP03342151A external-priority patent/JP3103411B2/en
Priority claimed from JP03342167A external-priority patent/JP3103412B2/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9208330D0 publication Critical patent/GB9208330D0/en
Publication of GB2255649A publication Critical patent/GB2255649A/en
Application granted granted Critical
Publication of GB2255649B publication Critical patent/GB2255649B/en
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
GB9208330A 1991-04-15 1992-04-15 Exposure control apparatus for a camera Expired - Fee Related GB2255649B (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP17349791 1991-04-15
JP17349891 1991-04-15
JP17349991 1991-04-15
JP17350091 1991-04-15
JP17350191 1991-04-15
JP17349691 1991-04-15
JP3342133A JPH0527295A (en) 1991-04-15 1991-11-29 Exposure controller for camera
JP34212791A JP3164622B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP34214691A JP3199802B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP03342151A JP3103411B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP03342128A JP3140521B2 (en) 1991-04-15 1991-11-29 Camera exposure control device
JP03342167A JP3103412B2 (en) 1991-04-15 1991-11-29 Camera exposure control device

Publications (3)

Publication Number Publication Date
GB9208330D0 true GB9208330D0 (en) 1992-06-03
GB2255649A GB2255649A (en) 1992-11-11
GB2255649B GB2255649B (en) 1995-07-19

Family

ID=27583477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9208330A Expired - Fee Related GB2255649B (en) 1991-04-15 1992-04-15 Exposure control apparatus for a camera

Country Status (5)

Country Link
CA (1) CA2066022C (en)
DE (1) DE4212619C2 (en)
GB (1) GB2255649B (en)
HK (1) HK161595A (en)
MY (1) MY108440A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272068B (en) * 1992-10-20 1996-07-31 Asahi Optical Co Ltd Camera with learning function
US5877897A (en) 1993-02-26 1999-03-02 Donnelly Corporation Automatic rearview mirror, vehicle lighting control and vehicle interior monitoring system using a photosensor array
US6822563B2 (en) 1997-09-22 2004-11-23 Donnelly Corporation Vehicle imaging system with accessory control
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US7655894B2 (en) 1996-03-25 2010-02-02 Donnelly Corporation Vehicular image sensing system
AU2003225228A1 (en) 2002-05-03 2003-11-17 Donnelly Corporation Object detection system for vehicle
US7526103B2 (en) 2004-04-15 2009-04-28 Donnelly Corporation Imaging system for vehicle
US7972045B2 (en) 2006-08-11 2011-07-05 Donnelly Corporation Automatic headlamp control system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597269C3 (en) * 1966-08-24 1975-05-15 K.K. Hattori Tokeiten, Tokio Photographic camera
US4137541A (en) * 1974-10-07 1979-01-30 Canon Kabushiki Kaisha Automatic exposure control apparatus for a single lens reflex camera
US4306785A (en) * 1979-02-01 1981-12-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera exposure time control circuit
JPS5639525A (en) * 1979-09-10 1981-04-15 Canon Inc Exposure control circuit of camera
JPS56121020A (en) * 1980-02-26 1981-09-22 Minolta Camera Co Ltd Exposure controller of camera
JPS57125927A (en) * 1981-01-30 1982-08-05 Nippon Kogaku Kk <Nikon> Camera having automatic exposure controller
JPS58184137A (en) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd Camera
FR2526965B1 (en) * 1982-05-14 1986-08-14 Canon Kk DEVICE FOR SELECTING THE EXPOSURE CONTROL MODE FOR A CAMERA
DE3329053C2 (en) * 1982-08-16 1986-08-21 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Rotary motion control mechanism for the diaphragm setting ring of interchangeable lenses
JPH0823648B2 (en) * 1983-08-11 1996-03-06 株式会社ニコン Camera priority mode setting device
JPS60107836U (en) * 1983-12-20 1985-07-22 キヤノン株式会社 camera external display device
JPS60173526A (en) * 1984-02-20 1985-09-06 Asahi Optical Co Ltd Automatic exposure camera
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
US5005033A (en) * 1988-08-01 1991-04-02 Olympus Optical Company, Ltd. Photographing data setting apparatus for camera

Also Published As

Publication number Publication date
DE4212619A1 (en) 1992-10-22
MY108440A (en) 1996-09-30
HK161595A (en) 1995-10-27
GB2255649B (en) 1995-07-19
CA2066022C (en) 2000-08-15
GB2255649A (en) 1992-11-11
CA2066022A1 (en) 1992-10-16
DE4212619C2 (en) 1996-08-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110415