JPS4871228A - - Google Patents

Info

Publication number
JPS4871228A
JPS4871228A JP12633572A JP12633572A JPS4871228A JP S4871228 A JPS4871228 A JP S4871228A JP 12633572 A JP12633572 A JP 12633572A JP 12633572 A JP12633572 A JP 12633572A JP S4871228 A JPS4871228 A JP S4871228A
Authority
JP
Japan
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.)
Pending
Application number
JP12633572A
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
Publication of JPS4871228A publication Critical patent/JPS4871228A/ja
Pending 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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Shutter-Related Mechanisms (AREA)
JP12633572A 1971-12-20 1972-12-18 Pending JPS4871228A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712163188 DE2163188A1 (de) 1971-12-20 1971-12-20 Temperatur-kompensationsschaltung fuer halbleiter-elemente, insbesondere in fotografischen kameras

Publications (1)

Publication Number Publication Date
JPS4871228A true JPS4871228A (ja) 1973-09-27

Family

ID=5828563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12633572A Pending JPS4871228A (ja) 1971-12-20 1972-12-18

Country Status (2)

Country Link
JP (1) JPS4871228A (ja)
DE (1) DE2163188A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213683A (en) * 1977-07-18 1980-07-22 Ricoh Company, Ltd. Electronic shutter driving device for camera
JPS5793347A (en) * 1980-12-01 1982-06-10 Dainippon Screen Mfg Co Ltd Correcting circuit in measuring device for halftone dot area rate

Also Published As

Publication number Publication date
DE2163188A1 (de) 1973-07-05

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