FR2496910B1 - Appareil de detection de lumiere pour un appareil de prise de vues photographiques - Google Patents

Appareil de detection de lumiere pour un appareil de prise de vues photographiques

Info

Publication number
FR2496910B1
FR2496910B1 FR8123938A FR8123938A FR2496910B1 FR 2496910 B1 FR2496910 B1 FR 2496910B1 FR 8123938 A FR8123938 A FR 8123938A FR 8123938 A FR8123938 A FR 8123938A FR 2496910 B1 FR2496910 B1 FR 2496910B1
Authority
FR
France
Prior art keywords
light detection
photographic image
detection apparatus
image apparatus
photographic
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
Application number
FR8123938A
Other languages
English (en)
Other versions
FR2496910A1 (fr
Inventor
Bruce Kean Johnson
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2496910A1 publication Critical patent/FR2496910A1/fr
Application granted granted Critical
Publication of FR2496910B1 publication Critical patent/FR2496910B1/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
    • 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
    • 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
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR8123938A 1980-12-24 1981-12-22 Appareil de detection de lumiere pour un appareil de prise de vues photographiques Expired FR2496910B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/219,930 US4345828A (en) 1980-12-24 1980-12-24 Light detecting apparatus for photographic camera

Publications (2)

Publication Number Publication Date
FR2496910A1 FR2496910A1 (fr) 1982-06-25
FR2496910B1 true FR2496910B1 (fr) 1986-03-28

Family

ID=22821311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8123938A Expired FR2496910B1 (fr) 1980-12-24 1981-12-22 Appareil de detection de lumiere pour un appareil de prise de vues photographiques

Country Status (6)

Country Link
US (1) US4345828A (fr)
JP (1) JPS57164720A (fr)
CA (1) CA1161683A (fr)
DE (1) DE3151129C2 (fr)
FR (1) FR2496910B1 (fr)
GB (1) GB2090424B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484808A (en) * 1982-11-01 1984-11-27 Polaroid Corporation Method of and apparatus for controlling scene radiation
US4445762A (en) * 1982-12-28 1984-05-01 Polaroid Corporation Encoded shutter blade apparatus
US4719487A (en) * 1986-10-20 1988-01-12 Polaroid Corporation Camera having tiltable photocell lens assembly
JP2515036Y2 (ja) * 1990-01-19 1996-10-23 旭光学工業株式会社 カメラの測光装置
JP2673146B2 (ja) * 1992-08-04 1997-11-05 インターナショナル・ビジネス・マシーンズ・コーポレイション 電子フラッシュの発光タイミングを決定する方法及びカメラシステム
US7978260B2 (en) * 2003-09-15 2011-07-12 Senshin Capital, Llc Electronic camera and method with fill flash function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270638A (en) * 1963-07-22 1966-09-06 Eastman Kodak Co Photometric system
US4147418A (en) * 1977-10-11 1979-04-03 Polaroid Corporation Photographic exposure control system with independent ambient and artificial illumination control modes
US4173400A (en) * 1978-02-02 1979-11-06 Polaroid Corporation Photographic camera apparatus
US4255031A (en) * 1979-01-02 1981-03-10 Polaroid Corporation Photographic camera with dual purpose light indicator
FR2478330A1 (fr) * 1979-12-31 1981-09-18 Polaroid Corp Systeme de commande d'exposition, appareil de prise de vues incorporant ce systeme et procede d'exposition mettant en oeuvre ce systeme
US4315677A (en) * 1980-07-03 1982-02-16 Polaroid Corporation Calibration arrangement for exposure control system
US4297016A (en) * 1980-07-07 1981-10-27 Polaroid Corporation Scanning shutter blade arrangement with dynamic apertures for ambient and flash exposures
CA1170884A (fr) * 1980-10-06 1984-07-17 Bruce K. Johnson Appareil de photographie

Also Published As

Publication number Publication date
US4345828A (en) 1982-08-24
DE3151129C2 (de) 1994-05-19
FR2496910A1 (fr) 1982-06-25
GB2090424B (en) 1984-10-24
JPH0140968B2 (fr) 1989-09-01
JPS57164720A (en) 1982-10-09
GB2090424A (en) 1982-07-07
CA1161683A (fr) 1984-02-07
DE3151129A1 (de) 1982-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse