GB1158691A - A Camera Shutter having an Electronic Timing Device - Google Patents

A Camera Shutter having an Electronic Timing Device

Info

Publication number
GB1158691A
GB1158691A GB762168A GB762168A GB1158691A GB 1158691 A GB1158691 A GB 1158691A GB 762168 A GB762168 A GB 762168A GB 762168 A GB762168 A GB 762168A GB 1158691 A GB1158691 A GB 1158691A
Authority
GB
United Kingdom
Prior art keywords
shutter
lever
disc
period
switch
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
GB762168A
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.)
Hittech Prontor GmbH
Original Assignee
Prontor Werk Alfred Gauthier GmbH
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 Prontor Werk Alfred Gauthier GmbH filed Critical Prontor Werk Alfred Gauthier GmbH
Publication of GB1158691A publication Critical patent/GB1158691A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
GB762168A 1967-04-01 1968-02-16 A Camera Shutter having an Electronic Timing Device Expired GB1158691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0041782 1967-04-01

Publications (1)

Publication Number Publication Date
GB1158691A true GB1158691A (en) 1969-07-16

Family

ID=7378079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB762168A Expired GB1158691A (en) 1967-04-01 1968-02-16 A Camera Shutter having an Electronic Timing Device

Country Status (2)

Country Link
FR (1) FR1550880A (enrdf_load_stackoverflow)
GB (1) GB1158691A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798445A (en) * 1971-02-18 1974-03-19 Gulf & Western Industries Traffic signal lens
US3810222A (en) * 1972-11-06 1974-05-07 Seiko Koki Kk Switching device for electronic shutter
US4057812A (en) * 1967-04-01 1977-11-08 Prontor-Werk Alfred Gauthier Gmbh Camera shutter having an electronic timing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS508660B1 (enrdf_load_stackoverflow) * 1970-06-05 1975-04-05

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057812A (en) * 1967-04-01 1977-11-08 Prontor-Werk Alfred Gauthier Gmbh Camera shutter having an electronic timing device
US3798445A (en) * 1971-02-18 1974-03-19 Gulf & Western Industries Traffic signal lens
US3810222A (en) * 1972-11-06 1974-05-07 Seiko Koki Kk Switching device for electronic shutter

Also Published As

Publication number Publication date
FR1550880A (enrdf_load_stackoverflow) 1968-12-20
DE1597349A1 (de) 1970-05-14

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Legal Events

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