GB1290034A - - Google Patents

Info

Publication number
GB1290034A
GB1290034A GB1290034DA GB1290034A GB 1290034 A GB1290034 A GB 1290034A GB 1290034D A GB1290034D A GB 1290034DA GB 1290034 A GB1290034 A GB 1290034A
Authority
GB
United Kingdom
Prior art keywords
plate
electromagnet
shutter
exposure
mechanical
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 GB1290034A publication Critical patent/GB1290034A/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)
GB1290034D 1969-12-16 1970-11-23 Expired GB1290034A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10081569 1969-12-16

Publications (1)

Publication Number Publication Date
GB1290034A true GB1290034A (enrdf_load_stackoverflow) 1972-09-20

Family

ID=14283832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290034D Expired GB1290034A (enrdf_load_stackoverflow) 1969-12-16 1970-11-23

Country Status (3)

Country Link
DE (1) DE2056121B2 (enrdf_load_stackoverflow)
FR (1) FR2073839A5 (enrdf_load_stackoverflow)
GB (1) GB1290034A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187854A (en) * 1986-02-25 1987-09-16 Famous Instr Ltd Electromagnetic device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910730A (enrdf_load_stackoverflow) * 1972-05-26 1974-01-30

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525005U (enrdf_load_stackoverflow) *
DE1117998B (de) * 1958-04-23 1961-11-23 Konan Kamera Kk Photographischer Schlitzverschluss
DE1278827B (de) * 1964-01-06 1968-09-26 Kodak Ag Photographische Kamera mit Vorrichtung zur Belichtungsregelung
US3303766A (en) * 1964-04-28 1967-02-14 Asahi Optical Co Ltd Camera shutter arrangement responsive to both photoelectric and mechanical time control systems
DE1225484B (de) * 1964-10-23 1966-09-22 Prontor Werk Gauthier Gmbh Photographischer Automatverschluss
US3398668A (en) * 1964-10-23 1968-08-27 Prontor Werk Gauthier Gmbh Automatic photographic shutter
US3326103A (en) * 1964-12-09 1967-06-20 Polaroid Corp Auxiliary shutter timing mechanism
DE1956829U (de) * 1965-03-01 1967-03-09 Elbe Kamera Gmbh Photographischer verschluss mit einem langzeitenhemmwerk und einem kurzzeitenhemmwerk.
FR1468055A (fr) * 1966-02-11 1967-02-03 Agfa Gevaert Ag Appareil de photographie à dispositif de commande de la lumination
DE1964694B2 (de) * 1968-12-28 1974-04-18 Canon K.K., Tokio Kamera Verschluß mit elektronischer Zeitbildungseinrichtung
US3479935A (en) * 1969-02-10 1969-11-25 Eastman Kodak Co Automatic shutter control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187854A (en) * 1986-02-25 1987-09-16 Famous Instr Ltd Electromagnetic device
GB2187854B (en) * 1986-02-25 1990-02-14 Famous Instr Ltd Electromagnetic device

Also Published As

Publication number Publication date
DE2056121B2 (de) 1976-01-15
DE2056121A1 (de) 1971-06-24
FR2073839A5 (enrdf_load_stackoverflow) 1971-10-01

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years