GB1369046A - Photographic cameras - Google Patents

Photographic cameras

Info

Publication number
GB1369046A
GB1369046A GB4557371A GB4557371A GB1369046A GB 1369046 A GB1369046 A GB 1369046A GB 4557371 A GB4557371 A GB 4557371A GB 4557371 A GB4557371 A GB 4557371A GB 1369046 A GB1369046 A GB 1369046A
Authority
GB
United Kingdom
Prior art keywords
photographic cameras
photographic
cameras
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
GB4557371A
Other languages
English (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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1369046A publication Critical patent/GB1369046A/en
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
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
GB4557371A 1970-10-01 1971-09-30 Photographic cameras Expired GB1369046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7707770A 1970-10-01 1970-10-01

Publications (1)

Publication Number Publication Date
GB1369046A true GB1369046A (en) 1974-10-02

Family

ID=22135943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4557371A Expired GB1369046A (en) 1970-10-01 1971-09-30 Photographic cameras

Country Status (4)

Country Link
US (1) US3651749A (enExample)
DE (1) DE2148935A1 (enExample)
FR (1) FR2109883A5 (enExample)
GB (1) GB1369046A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838140A (enExample) * 1971-09-14 1973-06-05
US4258993A (en) * 1976-10-05 1981-03-31 Eastman Kodak Company Light discrimination apparatus
US4484808A (en) * 1982-11-01 1984-11-27 Polaroid Corporation Method of and apparatus for controlling scene radiation
JP3412174B2 (ja) * 1992-05-21 2003-06-03 松下電器産業株式会社 自動露光制御装置
US5866955A (en) * 1996-12-27 1999-02-02 Yates; Carroll H. Manual override device for automobiles having photo activated automatic light systems
US7046044B2 (en) * 2004-02-05 2006-05-16 Texas Instruments Incorporated Differential preamplifier having balanced resistor network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058562A (en) * 1935-12-11 1936-10-27 Bucky Gustav Light intensity self-adjusting camera
US2999443A (en) * 1958-12-28 1961-09-12 Yashica Co Ltd Optical filter compensation means coupled to exposure-responsive device
GB1184216A (en) * 1966-09-30 1970-03-11 Fuji Photo Film Co Ltd Filter Control Device for a Photographic Camera

Also Published As

Publication number Publication date
US3651749A (en) 1972-03-28
FR2109883A5 (enExample) 1972-05-26
DE2148935A1 (de) 1972-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee