FR2091626A5 - - Google Patents

Info

Publication number
FR2091626A5
FR2091626A5 FR7117528A FR7117528A FR2091626A5 FR 2091626 A5 FR2091626 A5 FR 2091626A5 FR 7117528 A FR7117528 A FR 7117528A FR 7117528 A FR7117528 A FR 7117528A FR 2091626 A5 FR2091626 A5 FR 2091626A5
Authority
FR
France
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
FR7117528A
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Application granted granted Critical
Publication of FR2091626A5 publication Critical patent/FR2091626A5/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
    • G03B7/08—Control 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
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR7117528A 1970-05-21 1971-05-14 Expired FR2091626A5 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4966970U JPS4821854Y1 (OSRAM) 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
FR2091626A5 true FR2091626A5 (OSRAM) 1972-01-14

Family

ID=12837562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117528A Expired FR2091626A5 (OSRAM) 1970-05-21 1971-05-14

Country Status (3)

Country Link
JP (1) JPS4821854Y1 (OSRAM)
FR (1) FR2091626A5 (OSRAM)
GB (1) GB1336456A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2126438A1 (OSRAM) * 1971-02-27 1972-10-06 Asahi Chemical Ind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2126438A1 (OSRAM) * 1971-02-27 1972-10-06 Asahi Chemical Ind

Also Published As

Publication number Publication date
DE2125312B2 (de) 1973-01-18
JPS4821854Y1 (OSRAM) 1973-06-26
GB1336456A (en) 1973-11-07
DE2125312A1 (de) 1971-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse