FR79086E - Improvements made to photoelectric measuring devices - Google Patents

Improvements made to photoelectric measuring devices

Info

Publication number
FR79086E
FR79086E FR851351A FR851351A FR79086E FR 79086 E FR79086 E FR 79086E FR 851351 A FR851351 A FR 851351A FR 851351 A FR851351 A FR 851351A FR 79086 E FR79086 E FR 79086E
Authority
FR
France
Prior art keywords
measuring devices
improvements made
photoelectric measuring
photoelectric
devices
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
FR851351A
Other languages
French (fr)
Inventor
Alphonse-Lucien Martin
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
Priority to FR851351A priority Critical patent/FR79086E/en
Application granted granted Critical
Publication of FR79086E publication Critical patent/FR79086E/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
    • G03B7/04—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)
FR851351A 1961-02-01 1961-02-01 Improvements made to photoelectric measuring devices Expired FR79086E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR851351A FR79086E (en) 1961-02-01 1961-02-01 Improvements made to photoelectric measuring devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851351A FR79086E (en) 1961-02-01 1961-02-01 Improvements made to photoelectric measuring devices

Publications (1)

Publication Number Publication Date
FR79086E true FR79086E (en) 1962-10-19

Family

ID=8747896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851351A Expired FR79086E (en) 1961-02-01 1961-02-01 Improvements made to photoelectric measuring devices

Country Status (1)

Country Link
FR (1) FR79086E (en)

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