JPS5419904Y2 - - Google Patents

Info

Publication number
JPS5419904Y2
JPS5419904Y2 JP1971112069U JP11206971U JPS5419904Y2 JP S5419904 Y2 JPS5419904 Y2 JP S5419904Y2 JP 1971112069 U JP1971112069 U JP 1971112069U JP 11206971 U JP11206971 U JP 11206971U JP S5419904 Y2 JPS5419904 Y2 JP S5419904Y2
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.)
Expired
Application number
JP1971112069U
Other versions
JPS4867784U (ja
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
Priority to JP1971112069U priority Critical patent/JPS5419904Y2/ja
Priority to DE2256459A priority patent/DE2256459C3/de
Priority to US00308570A priority patent/US3768386A/en
Publication of JPS4867784U publication Critical patent/JPS4867784U/ja
Application granted granted Critical
Publication of JPS5419904Y2 publication Critical patent/JPS5419904Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Exposure Control For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP1971112069U 1971-11-29 1971-11-29 Expired JPS5419904Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1971112069U JPS5419904Y2 (ja) 1971-11-29 1971-11-29
DE2256459A DE2256459C3 (de) 1971-11-29 1972-11-17 Meßbrücke mit transistorisierter Abgleich-Nachweisschaltung und nachgeschalteter Steuerschaltung, als Belichtungsmeß- oder -steuerschaltung
US00308570A US3768386A (en) 1971-11-29 1972-11-21 Exposure determining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971112069U JPS5419904Y2 (ja) 1971-11-29 1971-11-29

Publications (2)

Publication Number Publication Date
JPS4867784U JPS4867784U (ja) 1973-08-28
JPS5419904Y2 true JPS5419904Y2 (ja) 1979-07-20

Family

ID=14577269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971112069U Expired JPS5419904Y2 (ja) 1971-11-29 1971-11-29

Country Status (3)

Country Link
US (1) US3768386A (ja)
JP (1) JPS5419904Y2 (ja)
DE (1) DE2256459C3 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040260782A1 (en) * 2003-01-31 2004-12-23 Affleck Rhett L. Data communication in a laboratory environment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671769A (en) * 1969-01-10 1972-06-20 Nippon Kogaku Kk Exposure measuring device
DE1935466C3 (de) * 1969-07-12 1973-07-05 Agfa Gevaert Ag Fotografische Kamera mit einer batteriegespeisten elektronischen Belichtungssteuereinrichtung

Also Published As

Publication number Publication date
DE2256459B2 (de) 1978-01-05
JPS4867784U (ja) 1973-08-28
US3768386A (en) 1973-10-30
DE2256459A1 (de) 1973-06-07
DE2256459C3 (de) 1978-09-14

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