FR794120A - Photoelectric posometer for cameras with slit shutter - Google Patents

Photoelectric posometer for cameras with slit shutter

Info

Publication number
FR794120A
FR794120A FR794120DA FR794120A FR 794120 A FR794120 A FR 794120A FR 794120D A FR794120D A FR 794120DA FR 794120 A FR794120 A FR 794120A
Authority
FR
France
Prior art keywords
posometer
photoelectric
cameras
slit shutter
shutter
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon 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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR794120A publication Critical patent/FR794120A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR794120D 1934-09-05 1935-08-22 Photoelectric posometer for cameras with slit shutter Expired FR794120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE794120X 1934-09-05

Publications (1)

Publication Number Publication Date
FR794120A true FR794120A (en) 1936-02-08

Family

ID=6710452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794120D Expired FR794120A (en) 1934-09-05 1935-08-22 Photoelectric posometer for cameras with slit shutter

Country Status (1)

Country Link
FR (1) FR794120A (en)

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