JPS495478B1 - - Google Patents

Info

Publication number
JPS495478B1
JPS495478B1 JP45085914A JP8591470A JPS495478B1 JP S495478 B1 JPS495478 B1 JP S495478B1 JP 45085914 A JP45085914 A JP 45085914A JP 8591470 A JP8591470 A JP 8591470A JP S495478 B1 JPS495478 B1 JP S495478B1
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
JP45085914A
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 JP45085914A priority Critical patent/JPS495478B1/ja
Priority to DE2145491A priority patent/DE2145491C3/de
Priority to US00183040A priority patent/US3741088A/en
Priority to GB4612571A priority patent/GB1352440A/en
Publication of JPS495478B1 publication Critical patent/JPS495478B1/ja
Pending 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
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
JP45085914A 1970-10-02 1970-10-02 Pending JPS495478B1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP45085914A JPS495478B1 (ja) 1970-10-02 1970-10-02
DE2145491A DE2145491C3 (de) 1970-10-02 1971-09-11 Anordnung zur Messung der Beleuch tungsstarke fotografischer Objekte, insbesondere für fotoelektnsche Behch tungsmesser
US00183040A US3741088A (en) 1970-10-02 1971-09-23 Photosensitive system for responding to different luminosities of an object
GB4612571A GB1352440A (en) 1970-10-02 1971-10-04 Device for detection of illumination intensity of an object to be photographed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45085914A JPS495478B1 (ja) 1970-10-02 1970-10-02

Publications (1)

Publication Number Publication Date
JPS495478B1 true JPS495478B1 (ja) 1974-02-07

Family

ID=13872063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45085914A Pending JPS495478B1 (ja) 1970-10-02 1970-10-02

Country Status (4)

Country Link
US (1) US3741088A (ja)
JP (1) JPS495478B1 (ja)
DE (1) DE2145491C3 (ja)
GB (1) GB1352440A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891317A (en) * 1971-12-06 1975-06-24 Kollmorgen Corp Photometric device for printer light source and the like
US3874793A (en) * 1973-04-09 1975-04-01 Philip D Nielsen Electronic print exposure analyzer
JPS506331A (ja) * 1973-05-15 1975-01-23
US3971046A (en) * 1973-07-02 1976-07-20 Asahi Kogaku Kogyo Kabushiki Kaisha Systems for responding to non-uniform scene brightness
JPS5212828A (en) * 1975-07-21 1977-01-31 Konishiroku Photo Ind Co Ltd Exposure control process for the object of a non-uniform distribution of brightness
US4176955A (en) * 1976-08-04 1979-12-04 Minolta Camera Kabushiki Kaisha Exposure meter
DE3007575C2 (de) * 1979-02-28 1997-03-20 Nikon Corp Berechnungsvorrichtung für einen optimalen Belichtungswert
US4285584A (en) * 1979-10-02 1981-08-25 Polaroid Corporation Photometric device
US4285583A (en) * 1979-11-13 1981-08-25 Polaroid Corporation Photometric device
US4509077A (en) * 1982-12-17 1985-04-02 Ncr Canada Ltd-Ncr Canada Ltee Automatic, self-diagnosing, electro-optical imaging system
JPS6031026A (ja) * 1983-07-29 1985-02-16 Asahi Optical Co Ltd マルチ測光装置
US4561753A (en) * 1985-03-13 1985-12-31 Polaroid Corporation Selective photoresponsive sensing circuit
JPH07287161A (ja) * 1994-04-15 1995-10-31 Asahi Optical Co Ltd 多点測距装置

Also Published As

Publication number Publication date
US3741088A (en) 1973-06-26
DE2145491C3 (de) 1973-10-31
DE2145491A1 (de) 1972-04-06
GB1352440A (en) 1974-05-08
DE2145491B2 (de) 1973-04-19

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