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specially adapted for enlargers

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  • G01J1/4219
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GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J1/00Photometry

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G01J1/4219specially adapted for enlargers
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light sensing and emitting devices with a safelight
    • Patent number 4,906,835
    • Issue date Mar 6, 1990
    • The General Electric Company, p.l.c.
    • Peter J. Betts
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Contrast monitor
    • Patent number 4,812,882
    • Issue date Mar 14, 1989
    • Ciba-Geigy AG
    • Richard J. Brent
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reproduction camera with system to correct exposure for stray light
    • Patent number 4,558,945
    • Issue date Dec 17, 1985
    • Helioprint AS
    • Steen Andersen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reproduction camera control system
    • Patent number 4,488,805
    • Issue date Dec 18, 1984
    • Oce-Helioprint AS
    • Steen Andersen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light measuring apparatus incorporating means for shielding light s...
    • Patent number 4,320,976
    • Issue date Mar 23, 1982
    • Durst A.G. Fabrik Fototechnischer Apparate
    • Franz Obertegger
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Programmable computing enlarging exposure meter
    • Patent number 4,302,099
    • Issue date Nov 24, 1981
    • Stanley J. Gewirtz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3647297
    • Patent number 3,647,297
    • Issue date Mar 7, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3635135
    • Patent number 3,635,135
    • Issue date Jan 18, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3510661
    • Patent number 3,510,661
    • Issue date May 5, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3458262
    • Patent number 3,458,262
    • Issue date Jul 29, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3402636
    • Patent number 3,402,636
    • Issue date Sep 24, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3397611
    • Patent number 3,397,611
    • Issue date Aug 20, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3360656
    • Patent number 3,360,656
    • Issue date Dec 26, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3263556
    • Patent number 3,263,556
    • Issue date Aug 2, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3117490
    • Patent number 3,117,490
    • Issue date Jan 14, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3114283
    • Patent number 3,114,283
    • Issue date Dec 17, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3074312
    • Patent number 3,074,312
    • Issue date Jan 22, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3067649
    • Patent number 3,067,649
    • Issue date Dec 11, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2800834
    • Patent number 2,800,834
    • Issue date Jul 30, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2450319
    • Patent number 2,450,319
    • Issue date Sep 28, 1948
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2443058
    • Patent number 2,443,058
    • Issue date Jun 8, 1948
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2430253
    • Patent number 2,430,253
    • Issue date Nov 4, 1947
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2411486
    • Patent number 2,411,486
    • Issue date Nov 19, 1946
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2356464
    • Patent number 2,356,464
    • Issue date Aug 22, 1944
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2292623
    • Patent number 2,292,623
    • Issue date Aug 11, 1942
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2218236
    • Patent number 2,218,236
    • Issue date Oct 15, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2149250
    • Patent number 2,149,250
    • Issue date Mar 7, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2090825
    • Patent number 2,090,825
    • Issue date Aug 24, 1937
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1930137
    • Patent number 1,930,137
    • Issue date Oct 10, 1933
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1864442
    • Patent number 1,864,442
    • Issue date Jun 21, 1932
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents