GB1250150A - - Google Patents

Info

Publication number
GB1250150A
GB1250150A GB1250150DA GB1250150A GB 1250150 A GB1250150 A GB 1250150A GB 1250150D A GB1250150D A GB 1250150DA GB 1250150 A GB1250150 A GB 1250150A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
pawl
ring
energization
electromagnet
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
Other languages
English (en)
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 filed Critical
Publication of GB1250150A publication Critical patent/GB1250150A/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)
  • Diaphragms For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
GB1250150D 1969-04-12 1970-03-24 Expired GB1250150A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691918712 DE1918712A1 (de) 1969-04-12 1969-04-12 Selbsttaetige Blendensteuerung,insbesondere fuer photographische und kinematographische Apparate

Publications (1)

Publication Number Publication Date
GB1250150A true GB1250150A (enrdf_load_stackoverflow) 1971-10-20

Family

ID=5731059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250150D Expired GB1250150A (enrdf_load_stackoverflow) 1969-04-12 1970-03-24

Country Status (4)

Country Link
JP (1) JPS495255B1 (enrdf_load_stackoverflow)
DE (1) DE1918712A1 (enrdf_load_stackoverflow)
FR (1) FR2037547A5 (enrdf_load_stackoverflow)
GB (1) GB1250150A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2353703C3 (de) * 1973-10-26 1981-06-11 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische oder kinematografische Kamera
JPS5075432A (enrdf_load_stackoverflow) * 1973-11-05 1975-06-20
JPS50106620A (enrdf_load_stackoverflow) * 1973-12-28 1975-08-22
JPS5081138A (enrdf_load_stackoverflow) * 1973-11-16 1975-07-01
JPS5146942A (ja) * 1974-10-18 1976-04-22 West Electric Co Puroguramushatsuta
JPS5146943A (ja) * 1974-10-18 1976-04-22 West Electric Co Puroguramushatsuta
JPS51128527A (en) * 1975-04-30 1976-11-09 West Electric Co Ltd Automatic exposure control camera
JPS5382955U (enrdf_load_stackoverflow) * 1976-12-11 1978-07-08

Also Published As

Publication number Publication date
FR2037547A5 (enrdf_load_stackoverflow) 1970-12-31
JPS495255B1 (enrdf_load_stackoverflow) 1974-02-06
DE1918712A1 (de) 1971-01-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees