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GB1365560A - Photographic apparatus - Google Patents

Photographic apparatus

Info

Publication number
GB1365560A
GB1365560A GB3640571A GB3640571A GB1365560A GB 1365560 A GB1365560 A GB 1365560A GB 3640571 A GB3640571 A GB 3640571A GB 3640571 A GB3640571 A GB 3640571A GB 1365560 A GB1365560 A GB 1365560A
Authority
GB
United Kingdom
Prior art keywords
photographic 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
GB3640571A
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 GB1365560A publication Critical patent/GB1365560A/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
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
GB3640571A 1970-08-03 1971-08-03 Photographic apparatus Expired GB1365560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6049470A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
GB1365560A true GB1365560A (en) 1974-09-04

Family

ID=22029848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3640571A Expired GB1365560A (en) 1970-08-03 1971-08-03 Photographic apparatus

Country Status (4)

Country Link
CA (1) CA965283A (en)
DE (1) DE2138882A1 (en)
FR (1) FR2101945A5 (en)
GB (1) GB1365560A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162832A (en) 1977-11-14 1979-07-31 Eastman Kodak Company Exposure control with piezoelectric latch control
US4198140A (en) 1977-07-18 1980-04-15 Eastman Kodak Company Piezoelectric camera shutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198140A (en) 1977-07-18 1980-04-15 Eastman Kodak Company Piezoelectric camera shutter
US4162832A (en) 1977-11-14 1979-07-31 Eastman Kodak Company Exposure control with piezoelectric latch control

Also Published As

Publication number Publication date
FR2101945A5 (en) 1972-03-31
DE2138882A1 (en) 1972-02-10
CA965283A (en) 1975-04-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee