FR1128983A - Improvements to photographic, cinematographic and other cameras - Google Patents

Improvements to photographic, cinematographic and other cameras

Info

Publication number
FR1128983A
FR1128983A FR1128983DA FR1128983A FR 1128983 A FR1128983 A FR 1128983A FR 1128983D A FR1128983D A FR 1128983DA FR 1128983 A FR1128983 A FR 1128983A
Authority
FR
France
Prior art keywords
cinematographic
photographic
cameras
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
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.)
CARTONNAGES SOC D
Original Assignee
CARTONNAGES SOC D
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 CARTONNAGES SOC D filed Critical CARTONNAGES SOC D
Application granted granted Critical
Publication of FR1128983A publication Critical patent/FR1128983A/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
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1128983D 1955-04-21 1955-04-21 Improvements to photographic, cinematographic and other cameras Expired FR1128983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1128983T 1955-04-21

Publications (1)

Publication Number Publication Date
FR1128983A true FR1128983A (en) 1957-01-14

Family

ID=9636539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1128983D Expired FR1128983A (en) 1955-04-21 1955-04-21 Improvements to photographic, cinematographic and other cameras

Country Status (1)

Country Link
FR (1) FR1128983A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091161A (en) * 1960-06-18 1963-05-28 Asahi Optical Industry Co Ltd Camera incorporating exposure measuring device
US3498193A (en) * 1966-05-28 1970-03-03 Nippon Kogaku Kk Exposure meter for measuring the illumination of image area

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091161A (en) * 1960-06-18 1963-05-28 Asahi Optical Industry Co Ltd Camera incorporating exposure measuring device
US3498193A (en) * 1966-05-28 1970-03-03 Nippon Kogaku Kk Exposure meter for measuring the illumination of image area

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