GB1019404A - Improvements in indicating devices for photographic cameras comprising exposure-regulating means - Google Patents

Improvements in indicating devices for photographic cameras comprising exposure-regulating means

Info

Publication number
GB1019404A
GB1019404A GB1136464A GB1136464A GB1019404A GB 1019404 A GB1019404 A GB 1019404A GB 1136464 A GB1136464 A GB 1136464A GB 1136464 A GB1136464 A GB 1136464A GB 1019404 A GB1019404 A GB 1019404A
Authority
GB
United Kingdom
Prior art keywords
galvanometer
mirror
exposure
bertram
pivoted
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
GB1136464A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1019404A publication Critical patent/GB1019404A/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
    • 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
    • G03B7/12—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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
    • 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)
  • Indication In Cameras, And Counting Of Exposures (AREA)
GB1136464A 1963-03-18 1964-03-18 Improvements in indicating devices for photographic cameras comprising exposure-regulating means Expired GB1019404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB71174A DE1255478B (de) 1963-03-18 1963-03-18 Anzeigevorrichtung bei Kameras mit einer automatischen Belichtungsregelvorrichtung

Publications (1)

Publication Number Publication Date
GB1019404A true GB1019404A (en) 1966-02-09

Family

ID=6976935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1136464A Expired GB1019404A (en) 1963-03-18 1964-03-18 Improvements in indicating devices for photographic cameras comprising exposure-regulating means

Country Status (5)

Country Link
BE (1) BE645373A (enrdf_load_stackoverflow)
CH (1) CH414336A (enrdf_load_stackoverflow)
DE (1) DE1255478B (enrdf_load_stackoverflow)
GB (1) GB1019404A (enrdf_load_stackoverflow)
NL (1) NL6402867A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031988B (de) * 1954-05-17 1958-06-12 Helmut Grosser Fotoelektrischer Belichtungsmesser mit selbsttaetiger Einstellung
DE1868569U (de) * 1962-09-29 1963-03-07 Agfa Ag Fotografische kamera mit automatischer belichtungsregelvorrichtung.

Also Published As

Publication number Publication date
CH414336A (de) 1966-05-31
NL6402867A (enrdf_load_stackoverflow) 1964-09-21
DE1255478B (de) 1967-11-30
BE645373A (enrdf_load_stackoverflow) 1964-07-16

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