GB1366360A - Exposure control apparatus - Google Patents

Exposure control apparatus

Info

Publication number
GB1366360A
GB1366360A GB4213571A GB4213571A GB1366360A GB 1366360 A GB1366360 A GB 1366360A GB 4213571 A GB4213571 A GB 4213571A GB 4213571 A GB4213571 A GB 4213571A GB 1366360 A GB1366360 A GB 1366360A
Authority
GB
United Kingdom
Prior art keywords
control apparatus
exposure control
exposure
control
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
GB4213571A
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 GB1366360A publication Critical patent/GB1366360A/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)
GB4213571A 1970-09-10 1971-09-09 Exposure control apparatus Expired GB1366360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7098170A 1970-09-10 1970-09-10

Publications (1)

Publication Number Publication Date
GB1366360A true GB1366360A (en) 1974-09-11

Family

ID=22098533

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4213571A Expired GB1366360A (en) 1970-09-10 1971-09-09 Exposure control apparatus

Country Status (5)

Country Link
US (1) US3664244A (https=)
CA (1) CA965284A (https=)
DE (1) DE2145382A1 (https=)
FR (1) FR2107397A5 (https=)
GB (1) GB1366360A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5175443A (en) * 1974-12-25 1976-06-30 Bell & Howell Japan Roshutsubusokuhyoji oyobi fueedojokyohyojisochi
IT201800004051A1 (it) * 2018-03-28 2019-09-28 St Microelectronics Srl Dispositivo di tipo near field communication e corrispondente procedimento di fabbricazione

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237429B (de) * 1964-05-23 1967-03-23 Prontor Werk Gauthier Gmbh Elektronisch arbeitende Belichtungsautomatik fuer photographische Kameras
US3397629A (en) * 1964-06-20 1968-08-20 Citizen Watch Co Ltd Photographic light control means
US3452656A (en) * 1964-10-31 1969-07-01 Zeiss Ikon Ag Photometer with photoelectric transformer
CH438922A (de) * 1965-03-19 1967-06-30 Prontor Werk Gauthier Gmbh Photographische Kamera mit beleuchtungsabhängig steuerbarer Zeitbildungseinrichtung
DE1472737A1 (de) * 1965-12-09 1969-02-13 Zeiss Ikon Ag Kamera mit elektronischem Verschluss und einem an die Kamera anschliessbaren Fernregler
DE1597352A1 (de) * 1967-05-29 1970-04-23 Prontor Werk Gauthier Gmbh Photographische Kamera mit beleuchtungsabhaengig gesteuerter elektronischer Zeitbildungseinrichtung

Also Published As

Publication number Publication date
US3664244A (en) 1972-05-23
DE2145382A1 (de) 1972-03-16
FR2107397A5 (https=) 1972-05-05
CA965284A (en) 1975-04-01

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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