FR1227178A - Light meter device - Google Patents

Light meter device

Info

Publication number
FR1227178A
FR1227178A FR797830A FR797830A FR1227178A FR 1227178 A FR1227178 A FR 1227178A FR 797830 A FR797830 A FR 797830A FR 797830 A FR797830 A FR 797830A FR 1227178 A FR1227178 A FR 1227178A
Authority
FR
France
Prior art keywords
meter device
light meter
light
meter
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
FR797830A
Other languages
French (fr)
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.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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 Agfa AG filed Critical Agfa AG
Application granted granted Critical
Publication of FR1227178A publication Critical patent/FR1227178A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR797830A 1958-06-28 1959-06-18 Light meter device Expired FR1227178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1227178X 1958-06-28

Publications (1)

Publication Number Publication Date
FR1227178A true FR1227178A (en) 1960-08-19

Family

ID=7734634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797830A Expired FR1227178A (en) 1958-06-28 1959-06-18 Light meter device

Country Status (1)

Country Link
FR (1) FR1227178A (en)

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