FR2238944B1 - - Google Patents

Info

Publication number
FR2238944B1
FR2238944B1 FR7426295A FR7426295A FR2238944B1 FR 2238944 B1 FR2238944 B1 FR 2238944B1 FR 7426295 A FR7426295 A FR 7426295A FR 7426295 A FR7426295 A FR 7426295A FR 2238944 B1 FR2238944 B1 FR 2238944B1
Authority
FR
France
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
Application number
FR7426295A
Other versions
FR2238944A1 (fr
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.)
Fujinon Corp
Original Assignee
Fuji Photo 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
Application filed by Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Publication of FR2238944A1 publication Critical patent/FR2238944A1/fr
Application granted granted Critical
Publication of FR2238944B1 publication Critical patent/FR2238944B1/fr
Expired 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
    • G03B17/18—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)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
FR7426295A 1973-07-28 1974-07-29 Expired FR2238944B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48085167A JPS5034534A (fr) 1973-07-28 1973-07-28

Publications (2)

Publication Number Publication Date
FR2238944A1 FR2238944A1 (fr) 1975-02-21
FR2238944B1 true FR2238944B1 (fr) 1976-10-22

Family

ID=13851090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426295A Expired FR2238944B1 (fr) 1973-07-28 1974-07-29

Country Status (5)

Country Link
US (1) US3872483A (fr)
JP (1) JPS5034534A (fr)
DE (1) DE2435903A1 (fr)
FR (1) FR2238944B1 (fr)
GB (1) GB1450848A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107708A (en) * 1973-08-24 1978-08-15 Seiko Koki Kabushiki Kaisha Shutter control circuit having exposure time display
US4047187A (en) * 1974-04-01 1977-09-06 Canon Kabushiki Kaisha System for exposure measurement and/or focus detection by means of image senser
US4162839A (en) * 1974-08-30 1979-07-31 Canon Kabushiki Kaisha Dual preference camera for digitally displaying preset and computered valves
JPS5127053A (en) * 1974-08-30 1976-03-06 Canon Kk Tanyuryokuyo aad henkansochi
JPS5141522A (fr) * 1974-10-04 1976-04-07 Canon Kk
US4167332A (en) * 1974-10-17 1979-09-11 Canon Kabushiki Kaisha Indication and photometric unit
US4160596A (en) * 1977-10-18 1979-07-10 The United States Of America As Represented By The Secretary Of Commerce Document reproduction illumination/exposure control system
JPS54105545A (en) * 1978-02-07 1979-08-18 Canon Inc Photographic information display device of cameras
JPS5730822A (en) * 1980-07-31 1982-02-19 Olympus Optical Co Ltd Average photometry method at plural points of automatic exposure camera
US5799082A (en) * 1995-11-07 1998-08-25 Trimble Navigation Limited Secure authentication of images
US6282362B1 (en) 1995-11-07 2001-08-28 Trimble Navigation Limited Geographical position/image digital recording and display system
US5764770A (en) * 1995-11-07 1998-06-09 Trimble Navigation Limited Image authentication patterning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2128992B2 (de) * 1971-06-11 1979-02-15 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische oder kinematografische Kamera
US3818495A (en) * 1972-02-28 1974-06-18 Fuji Photo Optical Co Ltd Exposure value indicating means for photographic camera

Also Published As

Publication number Publication date
DE2435903A1 (de) 1975-02-13
JPS5034534A (fr) 1975-04-02
FR2238944A1 (fr) 1975-02-21
GB1450848A (en) 1976-09-29
US3872483A (en) 1975-03-18

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Legal Events

Date Code Title Description
ST Notification of lapse