FR993968A - Appareil photographique à cellule photo-électrique - Google Patents

Appareil photographique à cellule photo-électrique

Info

Publication number
FR993968A
FR993968A FR993968DA FR993968A FR 993968 A FR993968 A FR 993968A FR 993968D A FR993968D A FR 993968DA FR 993968 A FR993968 A FR 993968A
Authority
FR
France
Prior art keywords
photoelectric cell
cell camera
camera
photoelectric
cell
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
English (en)
Inventor
Leon De Greef
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 filed Critical
Application granted granted Critical
Publication of FR993968A publication Critical patent/FR993968A/fr
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
    • G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
    • G03B7/06—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark by a follow-up movement of an associated reference mark to the pointer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR993968D 1944-11-28 1944-11-28 Appareil photographique à cellule photo-électrique Expired FR993968A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993968T 1944-11-28

Publications (1)

Publication Number Publication Date
FR993968A true FR993968A (fr) 1951-11-09

Family

ID=9556021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993968D Expired FR993968A (fr) 1944-11-28 1944-11-28 Appareil photographique à cellule photo-électrique

Country Status (1)

Country Link
FR (1) FR993968A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913968A (en) * 1954-11-30 1959-11-24 Zeiss Ikon A G Stuttgart Mirror reflex camera with built-in electric exposure meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913968A (en) * 1954-11-30 1959-11-24 Zeiss Ikon A G Stuttgart Mirror reflex camera with built-in electric exposure meter

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