GB1394982A - Camera shutter - Google Patents

Camera shutter

Info

Publication number
GB1394982A
GB1394982A GB4841673A GB4841673A GB1394982A GB 1394982 A GB1394982 A GB 1394982A GB 4841673 A GB4841673 A GB 4841673A GB 4841673 A GB4841673 A GB 4841673A GB 1394982 A GB1394982 A GB 1394982A
Authority
GB
United Kingdom
Prior art keywords
shutter
capacitor
transistor
mechanical switch
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
GB4841673A
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.)
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 GB1394982A publication Critical patent/GB1394982A/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
    • 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)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
GB4841673A 1972-10-18 1973-10-17 Camera shutter Expired GB1394982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12031672U JPS4975342U (ru) 1972-10-18 1972-10-18

Publications (1)

Publication Number Publication Date
GB1394982A true GB1394982A (en) 1975-05-21

Family

ID=14783211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4841673A Expired GB1394982A (en) 1972-10-18 1973-10-17 Camera shutter

Country Status (4)

Country Link
JP (1) JPS4975342U (ru)
DE (1) DE2352126A1 (ru)
FR (1) FR2204308A5 (ru)
GB (1) GB1394982A (ru)

Also Published As

Publication number Publication date
DE2352126A1 (de) 1974-05-02
DE2352126B2 (ru) 1975-09-25
FR2204308A5 (ru) 1974-05-17
JPS4975342U (ru) 1974-06-29

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19931016