GB1463774A - Exposure indicator - Google Patents

Exposure indicator

Info

Publication number
GB1463774A
GB1463774A GB504975A GB504975A GB1463774A GB 1463774 A GB1463774 A GB 1463774A GB 504975 A GB504975 A GB 504975A GB 504975 A GB504975 A GB 504975A GB 1463774 A GB1463774 A GB 1463774A
Authority
GB
United Kingdom
Prior art keywords
exposure
turned
transistor
setting
voltage
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
GB504975A
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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 Pentacon Dresden VEB filed Critical Pentacon Dresden VEB
Publication of GB1463774A publication Critical patent/GB1463774A/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
GB504975A 1974-02-11 1975-02-06 Exposure indicator Expired GB1463774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD176478A DD110342A1 (cs) 1974-02-11 1974-02-11

Publications (1)

Publication Number Publication Date
GB1463774A true GB1463774A (en) 1977-02-09

Family

ID=5494574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB504975A Expired GB1463774A (en) 1974-02-11 1975-02-06 Exposure indicator

Country Status (3)

Country Link
DD (1) DD110342A1 (cs)
DE (1) DE2422499A1 (cs)
GB (1) GB1463774A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241590A (en) * 1990-03-02 1991-09-04 Asahi Optical Co Ltd Indicating device within finder of camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241590A (en) * 1990-03-02 1991-09-04 Asahi Optical Co Ltd Indicating device within finder of camera
GB2241590B (en) * 1990-03-02 1994-04-20 Asahi Optical Co Ltd Indicating device within finder of camera

Also Published As

Publication number Publication date
DD110342A1 (cs) 1974-12-12
DE2422499A1 (de) 1975-08-14

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Legal Events

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