GB2229283B - Electronically controlled camera - Google Patents

Electronically controlled camera

Info

Publication number
GB2229283B
GB2229283B GB9003007A GB9003007A GB2229283B GB 2229283 B GB2229283 B GB 2229283B GB 9003007 A GB9003007 A GB 9003007A GB 9003007 A GB9003007 A GB 9003007A GB 2229283 B GB2229283 B GB 2229283B
Authority
GB
United Kingdom
Prior art keywords
electronically controlled
controlled camera
camera
electronically
controlled
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
GB9003007A
Other versions
GB9003007D0 (en
GB2229283A (en
Inventor
Takeo Kobayashi
Takao Nishida
Yasushi Tabata
Norio Numako
Katsutoshi Nagai
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9003007D0 publication Critical patent/GB9003007D0/en
Publication of GB2229283A publication Critical patent/GB2229283A/en
Application granted granted Critical
Publication of GB2229283B publication Critical patent/GB2229283B/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
GB9003007A 1989-02-10 1990-02-09 Electronically controlled camera Expired - Fee Related GB2229283B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1031316A JP2767121B2 (en) 1989-02-10 1989-02-10 Electronic control camera

Publications (3)

Publication Number Publication Date
GB9003007D0 GB9003007D0 (en) 1990-04-04
GB2229283A GB2229283A (en) 1990-09-19
GB2229283B true GB2229283B (en) 1993-09-29

Family

ID=12327876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003007A Expired - Fee Related GB2229283B (en) 1989-02-10 1990-02-09 Electronically controlled camera

Country Status (5)

Country Link
JP (1) JP2767121B2 (en)
DE (1) DE4003976C2 (en)
FR (1) FR2643163B1 (en)
GB (1) GB2229283B (en)
HK (1) HK1006596A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269676B (en) * 1989-03-15 1994-07-06 Asahi Optical Co Ltd Apparatus for monitoring a charged voltage for application to a strobe
USRE36239E (en) * 1989-03-15 1999-06-29 Asahi Kogaku Kogyo Kabushiki Kaisha Strobe control apparatus
JPH03236020A (en) * 1990-02-14 1991-10-22 Asahi Optical Co Ltd Camera with zoom lens
KR100463328B1 (en) * 1997-08-25 2005-04-06 삼성테크윈 주식회사 Apparatus and method for adjusting shooting conditions at interval shooting
DE102013107236A1 (en) 2013-07-09 2015-01-15 Carl Zeiss Sports Optics Gmbh Electronically adjustable remote optical device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58184137A (en) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd Camera
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
JPS61171039U (en) * 1985-04-09 1986-10-23
ATE79184T1 (en) * 1986-05-12 1992-08-15 Asahi Optical Co Ltd DRIVE SYSTEM FOR A ZOOM LENS IN AN INTERLENSE SHUTTER CAMERA.
JPS63195614A (en) * 1987-02-09 1988-08-12 Minolta Camera Co Ltd Motor-driven zoom device

Also Published As

Publication number Publication date
DE4003976C2 (en) 1997-08-21
GB9003007D0 (en) 1990-04-04
DE4003976A1 (en) 1990-08-16
FR2643163A1 (en) 1990-08-17
JP2767121B2 (en) 1998-06-18
JPH02210431A (en) 1990-08-21
HK1006596A1 (en) 1999-03-05
GB2229283A (en) 1990-09-19
FR2643163B1 (en) 1994-02-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070209