GB1354814A - Photographic camera - Google Patents

Photographic camera

Info

Publication number
GB1354814A
GB1354814A GB2247672A GB2247672A GB1354814A GB 1354814 A GB1354814 A GB 1354814A GB 2247672 A GB2247672 A GB 2247672A GB 2247672 A GB2247672 A GB 2247672A GB 1354814 A GB1354814 A GB 1354814A
Authority
GB
United Kingdom
Prior art keywords
photographic camera
time control
heading
rendering
directed
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
GB2247672A
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB1354814A publication Critical patent/GB1354814A/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)
  • Shutter-Related Mechanisms (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)

Abstract

1354814 Photographic shutter control ASAHI KOGAKU KOGYO KK 12 May 1972 [13 May 1971] 22476/72 Heading G2A The description is identical to that contained in Specification 1354811, the claims being directed to rendering the switching circuit inoperative when a mechanical time control system is used in place of the electric exposure time control circuit.
GB2247672A 1971-05-13 1972-05-12 Photographic camera Expired GB1354814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3773571U JPS536430Y2 (en) 1971-05-13 1971-05-13

Publications (1)

Publication Number Publication Date
GB1354814A true GB1354814A (en) 1974-06-05

Family

ID=12505728

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2247672A Expired GB1354814A (en) 1971-05-13 1972-05-12 Photographic camera

Country Status (2)

Country Link
JP (1) JPS536430Y2 (en)
GB (1) GB1354814A (en)

Also Published As

Publication number Publication date
JPS536430Y2 (en) 1978-02-18
JPS4736240U (en) 1972-12-22

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Legal Events

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