GB2285696B - Combination photographing aperture size changing apparatus and protection apparatus therefor - Google Patents

Combination photographing aperture size changing apparatus and protection apparatus therefor

Info

Publication number
GB2285696B
GB2285696B GB9505121A GB9505121A GB2285696B GB 2285696 B GB2285696 B GB 2285696B GB 9505121 A GB9505121 A GB 9505121A GB 9505121 A GB9505121 A GB 9505121A GB 2285696 B GB2285696 B GB 2285696B
Authority
GB
United Kingdom
Prior art keywords
aperture size
size changing
photographing aperture
therefor
combination photographing
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 - Fee Related
Application number
GB9505121A
Other versions
GB2285696A (en
GB9505121D0 (en
Inventor
Yuji Ogawa
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
Priority claimed from JP525892U external-priority patent/JP2569605Y2/en
Priority claimed from JP550492U external-priority patent/JPH0566634U/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority claimed from GB9302321A external-priority patent/GB2264179B/en
Publication of GB9505121D0 publication Critical patent/GB9505121D0/en
Publication of GB2285696A publication Critical patent/GB2285696A/en
Application granted granted Critical
Publication of GB2285696B publication Critical patent/GB2285696B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B1/00—Film strip handling
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
    • G03B1/48—Gates or pressure devices, e.g. plate
    • G03B1/50—Gates or pressure devices, e.g. plate adjustable or interchangeable, e.g. for different film widths

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
GB9505121A 1992-02-12 1993-02-05 Combination photographing aperture size changing apparatus and protection apparatus therefor Expired - Fee Related GB2285696B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP525892U JP2569605Y2 (en) 1992-02-12 1992-02-12 Structure of light-shielding plate of screen size switching device
JP550492U JPH0566634U (en) 1992-02-13 1992-02-13 Shielding device for screen size changeable camera
GB9302321A GB2264179B (en) 1992-02-12 1993-02-05 Apparatus for changing the size of the photographing aperture in a camera

Publications (3)

Publication Number Publication Date
GB9505121D0 GB9505121D0 (en) 1995-05-03
GB2285696A GB2285696A (en) 1995-07-19
GB2285696B true GB2285696B (en) 1996-01-17

Family

ID=27266570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9505121A Expired - Fee Related GB2285696B (en) 1992-02-12 1993-02-05 Combination photographing aperture size changing apparatus and protection apparatus therefor

Country Status (1)

Country Link
GB (1) GB2285696B (en)

Also Published As

Publication number Publication date
GB2285696A (en) 1995-07-19
GB9505121D0 (en) 1995-05-03

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Legal Events

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

Effective date: 20020205