GB9207556D0 - Photometering apparatus of camera - Google Patents

Photometering apparatus of camera

Info

Publication number
GB9207556D0
GB9207556D0 GB929207556A GB9207556A GB9207556D0 GB 9207556 D0 GB9207556 D0 GB 9207556D0 GB 929207556 A GB929207556 A GB 929207556A GB 9207556 A GB9207556 A GB 9207556A GB 9207556 D0 GB9207556 D0 GB 9207556D0
Authority
GB
United Kingdom
Prior art keywords
camera
photometering apparatus
photometering
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.)
Withdrawn
Application number
GB929207556A
Other versions
GB2254705A (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 JP3161971A external-priority patent/JPH04310907A/en
Priority claimed from JP487692U external-priority patent/JPH0566629U/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9207556D0 publication Critical patent/GB9207556D0/en
Publication of GB2254705A publication Critical patent/GB2254705A/en
Withdrawn legal-status Critical Current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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
    • 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
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09979—Multi-zone light measuring
    • 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film
    • G03B2217/248—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film with means for masking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
GB9207556A 1991-04-09 1992-04-07 Photometering apparatus of camera Withdrawn GB2254705A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3161971A JPH04310907A (en) 1991-04-09 1991-04-09 Photometry device for camera
JP487692U JPH0566629U (en) 1992-02-10 1992-02-10 Camera photometer

Publications (2)

Publication Number Publication Date
GB9207556D0 true GB9207556D0 (en) 1992-05-20
GB2254705A GB2254705A (en) 1992-10-14

Family

ID=26338731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9207556A Withdrawn GB2254705A (en) 1991-04-09 1992-04-07 Photometering apparatus of camera

Country Status (4)

Country Link
KR (1) KR920020253A (en)
DE (1) DE4211830A1 (en)
FR (1) FR2675273A1 (en)
GB (1) GB2254705A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417234C2 (en) * 1993-05-17 2002-01-17 Asahi Optical Co Ltd Fotometriesystem
DE4317221A1 (en) * 1993-05-24 1994-12-01 Brodhag Angelika Component camera (modular camera) for large format and medium format (large size and medium size)
JP3586365B2 (en) * 1997-10-29 2004-11-10 ペンタックス株式会社 Photometric device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566775A (en) * 1982-07-16 1986-01-28 Canon Kabushiki Kaisha Exposure control apparatus based on a multimetering system
US4639111A (en) * 1985-06-21 1987-01-27 Eastman Kodak Company Pseudo format camera with exposure control
US4716427A (en) * 1986-03-17 1987-12-29 Shyu Shiow Feng Camera means for regulating the exposure area of a frame of film
JPS6395421A (en) * 1986-10-09 1988-04-26 Canon Inc Camera
US4855780A (en) * 1987-05-22 1989-08-08 Canon Kabushiki Kaisha Photometric device for pseudo format camera
FR2660081B1 (en) * 1990-03-22 1994-09-23 Asahi Optical Co Ltd SIGHT AND CAMERA COMPRISING SAME.

Also Published As

Publication number Publication date
KR920020253A (en) 1992-11-20
GB2254705A (en) 1992-10-14
FR2675273A1 (en) 1992-10-16
DE4211830A1 (en) 1992-10-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)