GB1182053A - Photographic Camera or Shutter Operating Mechanism - Google Patents

Photographic Camera or Shutter Operating Mechanism

Info

Publication number
GB1182053A
GB1182053A GB01188/68A GB1118868A GB1182053A GB 1182053 A GB1182053 A GB 1182053A GB 01188/68 A GB01188/68 A GB 01188/68A GB 1118868 A GB1118868 A GB 1118868A GB 1182053 A GB1182053 A GB 1182053A
Authority
GB
United Kingdom
Prior art keywords
lever
flash
transistor
circuit
exposure
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
GB01188/68A
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.)
Hattori Tokeiten KK
Original Assignee
Hattori Tokeiten KK
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 Hattori Tokeiten KK filed Critical Hattori Tokeiten KK
Publication of GB1182053A publication Critical patent/GB1182053A/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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
GB01188/68A 1967-03-07 1968-03-07 Photographic Camera or Shutter Operating Mechanism Expired GB1182053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42014015A JPS4939418B1 (de) 1967-03-07 1967-03-07

Publications (1)

Publication Number Publication Date
GB1182053A true GB1182053A (en) 1970-02-25

Family

ID=11849353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB01188/68A Expired GB1182053A (en) 1967-03-07 1968-03-07 Photographic Camera or Shutter Operating Mechanism

Country Status (4)

Country Link
JP (1) JPS4939418B1 (de)
DE (1) DE1622213C3 (de)
FR (1) FR1557226A (de)
GB (1) GB1182053A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123570A (en) * 1982-07-13 1984-02-01 Fuji Keoki Kabushiki Kaisha Luminance-responsive photographic flash device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675547A (en) * 1969-06-23 1972-07-11 Canon Kk Photographing system for use with a flash device
JPS6260111A (ja) * 1985-09-10 1987-03-16 Nec Corp 磁気ヘツド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123570A (en) * 1982-07-13 1984-02-01 Fuji Keoki Kabushiki Kaisha Luminance-responsive photographic flash device

Also Published As

Publication number Publication date
DE1622213A1 (de) 1970-10-29
DE1622213C3 (de) 1975-05-28
JPS4939418B1 (de) 1974-10-25
DE1622213B2 (de) 1974-10-03
FR1557226A (de) 1969-02-14

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