TREA

Means for exchanging focusing screen and light sensitive material

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  • CPC
  • G03B17/44
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS 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 G03B17/00Details of cameras or camera bodies Accessories therefor

Current Industry

G03B17/44Means for exchanging focusing screen and light sensitive material
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Display element, display device, and camera
    • Patent number 8,040,316
    • Issue date Oct 18, 2011
    • Nikon Corporation
    • Toru Iwane
    • G02 - OPTICS
  • Information Patent Grant

    Digital camera system with interchangeable lens assembly
    • Patent number 7,583,893
    • Issue date Sep 1, 2009
    • FUJIFILM Corporation
    • Hirofumi Horii
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Lens barrel
    • Patent number 7,248,422
    • Issue date Jul 24, 2007
    • Fujinon Corporation
    • Naoki Nishimoto
    • G02 - OPTICS
  • Information Patent Grant

    Camera back for a camera
    • Patent number 6,512,889
    • Issue date Jan 28, 2003
    • Sze Leung Tam
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Underwater camera having through-the-lens viewing
    • Patent number 5,166,714
    • Issue date Nov 24, 1992
    • John H. Fiorda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Instant film color back adaptor for a camera-processor
    • Patent number 4,213,695
    • Issue date Jul 22, 1980
    • Itek Corporation
    • Richard R. Ely
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Combination focussing screen and film holder attachment
    • Patent number 4,149,791
    • Issue date Apr 17, 1979
    • Polaroid Corporation
    • Jan VAN DER Meer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3896464
    • Patent number 3,896,464
    • Issue date Jul 22, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3786735
    • Patent number 3,786,735
    • Issue date Jan 22, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3777645
    • Patent number 3,777,645
    • Issue date Dec 11, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2930304
    • Patent number 2,930,304
    • Issue date Mar 29, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2506764
    • Patent number 2,506,764
    • Issue date May 9, 1950
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2388240
    • Patent number 2,388,240
    • Issue date Nov 6, 1945
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2287640
    • Patent number 2,287,640
    • Issue date Jun 23, 1942
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2196759
    • Patent number 2,196,759
    • Issue date Apr 9, 1940
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2187709
    • Patent number 2,187,709
    • Issue date Jan 16, 1940
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1996481
    • Patent number 1,996,481
    • Issue date Apr 2, 1935
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1964722
    • Patent number 1,964,722
    • Issue date Jul 3, 1934
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1948579
    • Patent number 1,948,579
    • Issue date Feb 27, 1934
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1841811
    • Patent number 1,841,811
    • Issue date Jan 19, 1932
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1755452
    • Patent number 1,755,452
    • Issue date Apr 22, 1930
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1449429
    • Patent number 1,449,429
    • Issue date Mar 27, 1923
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1431657
    • Patent number 1,431,657
    • Issue date Oct 10, 1922
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1398072
    • Patent number 1,398,072
    • Issue date Nov 22, 1921
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1381722
    • Patent number 1,381,722
    • Issue date Jun 14, 1921
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1374678
    • Patent number 1,374,678
    • Issue date Apr 12, 1921
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1374794
    • Patent number 1,374,794
    • Issue date Apr 12, 1921
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1346461
    • Patent number 1,346,461
    • Issue date Jul 13, 1920
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1304093
    • Patent number 1,304,093
    • Issue date May 20, 1919
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1299992
    • Patent number 1,299,992
    • Issue date Apr 8, 1919
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Display element, display device, and camera
    • Publication number 20080007952
    • Publication date Jan 10, 2008
    • Nikon Corporation
    • Toru Iwane
    • G02 - OPTICS
  • Information Patent Application

    Lens barrel
    • Publication number 20060256455
    • Publication date Nov 16, 2006
    • FUJINON CORPORATION
    • Naoki Nishimoto
    • G02 - OPTICS
  • Information Patent Application

    Camera system
    • Publication number 20060093343
    • Publication date May 4, 2006
    • Fuji Photo Film, Co., Ltd.
    • Hirofumi Horii
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE