TREA

using a parallactic triangle with fixed angles and a base of variable length in the observation station

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  • G01C3/24
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GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C3/00Measuring distances in line of sight optical rangefinders

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G01C3/24using a parallactic triangle with fixed angles and a base of variable length in the observation station
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hybrid refractive gradient-index optics for time-of-fly sensors
    • Patent number 11,543,499
    • Issue date Jan 3, 2023
    • Shenzhen Goodix Technology Co., Ltd.
    • Yi He
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical distance measuring apparatus and electronic apparatus
    • Patent number 9,568,596
    • Issue date Feb 14, 2017
    • Sharp Kabushiki Kaisha
    • Hideo Wada
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Distance measuring apparatus and distance measuring method
    • Patent number 8,284,381
    • Issue date Oct 9, 2012
    • Panasonic Corporation
    • Norihiro Imamura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Distance measuring device
    • Patent number 5,760,896
    • Issue date Jun 2, 1998
    • Ricoh Company, Ltd.
    • Akira Suzuki
    • G02 - OPTICS
  • Information Patent Grant

    Distance measuring method and means
    • Patent number 4,856,894
    • Issue date Aug 15, 1989
    • Afgen (Proprietary) Limited
    • Nigel I. Anderson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Range indicating device
    • Patent number 4,428,668
    • Issue date Jan 31, 1984
    • Gordon Redington
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical inspection device for measuring depthwise variations from a...
    • Patent number 4,355,904
    • Issue date Oct 26, 1982
    • N. Balasubramanian
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical electronic distance sensor with a parallel beam of light an...
    • Patent number 4,346,293
    • Issue date Aug 24, 1982
    • Erwin Sick GmbH Optik-Elektronik
    • Gunter Fetzer
    • G08 - SIGNALLING
  • Information Patent Grant

    Photographic camera with focussing system which time-multiplexes th...
    • Patent number 4,221,474
    • Issue date Sep 9, 1980
    • AGFA-Gevaert A.G.
    • Peter Lermann
    • G02 - OPTICS
  • Information Patent Grant

    Optical measuring system
    • Patent number 4,204,772
    • Issue date May 27, 1980
    • Recognition Systems, Inc.
    • N. Balasubramanian
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3923396
    • Patent number 3,923,396
    • Issue date Dec 2, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3724950
    • Patent number 3,724,950
    • Issue date Apr 3, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2377987
    • Patent number 2,377,987
    • Issue date Jun 12, 1945
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2172098
    • Patent number 2,172,098
    • Issue date Sep 5, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1381453
    • Patent number 1,381,453
    • Issue date Jun 14, 1921
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1307205
    • Patent number 1,307,205
    • Issue date Jun 17, 1919
    • G02 - OPTICS
  • Information Patent Grant

    1291848
    • Patent number 1,291,848
    • Issue date Jan 21, 1919
    • G02 - OPTICS
  • Information Patent Grant

    1207475
    • Patent number 1,207,475
    • Issue date Dec 5, 1916
    • G02 - OPTICS
  • Information Patent Grant

    1152171
    • Patent number 1,152,171
    • Issue date Aug 31, 1915
    • G02 - OPTICS
  • Information Patent Grant

    1033849
    • Patent number 1,033,849
    • Issue date Jul 30, 1912
    • G02 - OPTICS
  • Information Patent Grant

    1033850
    • Patent number 1,033,850
    • Issue date Jul 30, 1912
    • G02 - OPTICS
  • Information Patent Grant

    1033848
    • Patent number 1,033,848
    • Issue date Jul 30, 1912
    • G02 - OPTICS
  • Information Patent Grant

    959338
    • Patent number 959,338
    • Issue date May 24, 1910
    • G02 - OPTICS
  • Information Patent Grant

    822201
    • Patent number 822,201
    • Issue date May 29, 1906
    • G02 - OPTICS
  • Information Patent Grant

    819031
    • Patent number 819,031
    • Issue date Apr 24, 1906
    • G02 - OPTICS
  • Information Patent Grant

    700547
    • Patent number 700,547
    • Issue date May 20, 1902
    • G02 - OPTICS
  • Information Patent Grant

    589527
    • Patent number 589,527
    • Issue date Sep 7, 1897
    • G02 - OPTICS
  • Information Patent Grant

    588093
    • Patent number 588,093
    • Issue date Aug 10, 1897
    • G02 - OPTICS
  • Information Patent Grant

    160823
    • Patent number 160,823
    • Issue date Mar 16, 1875
    • G02 - OPTICS

Patents Applicationslast 30 patents