FR1343821A - Automatic device for adjusting photographic exposures - Google Patents

Automatic device for adjusting photographic exposures

Info

Publication number
FR1343821A
FR1343821A FR913784A FR913784A FR1343821A FR 1343821 A FR1343821 A FR 1343821A FR 913784 A FR913784 A FR 913784A FR 913784 A FR913784 A FR 913784A FR 1343821 A FR1343821 A FR 1343821A
Authority
FR
France
Prior art keywords
automatic device
adjusting photographic
photographic exposures
exposures
adjusting
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
FR913784A
Other languages
French (fr)
Inventor
David Sumner Grey
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
International Polaroid Corp
Original Assignee
Polaroid Corp
International 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, International Polaroid Corp filed Critical Polaroid Corp
Priority to FR913784A priority Critical patent/FR1343821A/en
Application granted granted Critical
Publication of FR1343821A publication Critical patent/FR1343821A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/36—Sliding rigid plate
    • G03B9/40—Double plate
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR913784A 1962-10-29 1962-10-29 Automatic device for adjusting photographic exposures Expired FR1343821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR913784A FR1343821A (en) 1962-10-29 1962-10-29 Automatic device for adjusting photographic exposures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR913784A FR1343821A (en) 1962-10-29 1962-10-29 Automatic device for adjusting photographic exposures

Publications (1)

Publication Number Publication Date
FR1343821A true FR1343821A (en) 1963-11-22

Family

ID=8789728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913784A Expired FR1343821A (en) 1962-10-29 1962-10-29 Automatic device for adjusting photographic exposures

Country Status (1)

Country Link
FR (1) FR1343821A (en)

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