FR971747A - Posemètre électrique perfectionné - Google Patents

Posemètre électrique perfectionné

Info

Publication number
FR971747A
FR971747A FR971747DA FR971747A FR 971747 A FR971747 A FR 971747A FR 971747D A FR971747D A FR 971747DA FR 971747 A FR971747 A FR 971747A
Authority
FR
France
Prior art keywords
electric light
light meter
advanced electric
advanced
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
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR971747A publication Critical patent/FR971747A/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)
FR971747D 1942-10-07 1948-02-26 Posemètre électrique perfectionné Expired FR971747A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US971747XA 1942-10-07 1942-10-07

Publications (1)

Publication Number Publication Date
FR971747A true FR971747A (fr) 1951-01-22

Family

ID=22261766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971747D Expired FR971747A (fr) 1942-10-07 1948-02-26 Posemètre électrique perfectionné

Country Status (1)

Country Link
FR (1) FR971747A (fr)

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