FR1400685A - Apparatus for determining the exposure time of a camera shutter - Google Patents

Apparatus for determining the exposure time of a camera shutter

Info

Publication number
FR1400685A
FR1400685A FR976238A FR976238A FR1400685A FR 1400685 A FR1400685 A FR 1400685A FR 976238 A FR976238 A FR 976238A FR 976238 A FR976238 A FR 976238A FR 1400685 A FR1400685 A FR 1400685A
Authority
FR
France
Prior art keywords
determining
exposure time
camera shutter
shutter
camera
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
FR976238A
Other languages
French (fr)
Inventor
Sholly Kagan
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Priority to FR976238A priority Critical patent/FR1400685A/en
Application granted granted Critical
Publication of FR1400685A publication Critical patent/FR1400685A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/081Analogue circuits
    • G03B7/083Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR976238A 1964-05-28 1964-05-28 Apparatus for determining the exposure time of a camera shutter Expired FR1400685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR976238A FR1400685A (en) 1964-05-28 1964-05-28 Apparatus for determining the exposure time of a camera shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976238A FR1400685A (en) 1964-05-28 1964-05-28 Apparatus for determining the exposure time of a camera shutter

Publications (1)

Publication Number Publication Date
FR1400685A true FR1400685A (en) 1965-05-28

Family

ID=8831123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976238A Expired FR1400685A (en) 1964-05-28 1964-05-28 Apparatus for determining the exposure time of a camera shutter

Country Status (1)

Country Link
FR (1) FR1400685A (en)

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