GB1489612A - Exposure indicator device for a single lens reflex camera - Google Patents

Exposure indicator device for a single lens reflex camera

Info

Publication number
GB1489612A
GB1489612A GB5285974A GB5285974A GB1489612A GB 1489612 A GB1489612 A GB 1489612A GB 5285974 A GB5285974 A GB 5285974A GB 5285974 A GB5285974 A GB 5285974A GB 1489612 A GB1489612 A GB 1489612A
Authority
GB
United Kingdom
Prior art keywords
single lens
indicator device
lens reflex
reflex camera
exposure indicator
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
GB5285974A
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 GB1489612A publication Critical patent/GB1489612A/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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
GB5285974A 1973-12-07 1974-12-06 Exposure indicator device for a single lens reflex camera Expired GB1489612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13894873A JPS5089028A (en) 1973-12-07 1973-12-07

Publications (1)

Publication Number Publication Date
GB1489612A true GB1489612A (en) 1977-10-26

Family

ID=15233885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5285974A Expired GB1489612A (en) 1973-12-07 1974-12-06 Exposure indicator device for a single lens reflex camera

Country Status (4)

Country Link
JP (1) JPS5089028A (en)
DE (1) DE2457877C3 (en)
FR (1) FR2254040B1 (en)
GB (1) GB1489612A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139278A (en) * 1975-07-31 1979-02-13 Canon Kabushiki Kaisha Liquid crystal display device
US4140378A (en) * 1975-08-09 1979-02-20 Canon Kabushiki Kaisha View finder device having liquid crystal cell
DE2820965A1 (en) * 1978-05-12 1979-11-15 Agfa Gevaert Ag PHOTOGRAPHIC COPY DEVICE
JPS58184137A (en) * 1982-04-21 1983-10-27 Olympus Optical Co Ltd Camera
US4933754A (en) * 1987-11-03 1990-06-12 Ciba-Geigy Corporation Method and apparatus for producing modified photographic prints

Also Published As

Publication number Publication date
FR2254040B1 (en) 1979-06-01
DE2457877A1 (en) 1975-06-19
FR2254040A1 (en) 1975-07-04
JPS5089028A (en) 1975-07-17
DE2457877B2 (en) 1978-02-16
DE2457877C3 (en) 1978-09-28

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee