wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse

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    • Denso Corporation
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    • G01 - MEASURING TESTING
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    • Lavinia-Elena Ciotirca
    • G06 - COMPUTING CALCULATING COUNTING
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    Object detection device

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    • Denso Corporation
    • Yohei Suzuki
    • G01 - MEASURING TESTING
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    Wearable obstacle-detection device, and corresponding method and co...

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    • STMicroelectronics S.r.l.
    • Francesco D'Angelo
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
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    Device and method for transceiving ultrasonic wave

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    • Furuno Electric Company Limited
    • Satoshi Misonoo
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    Measuring device and method having superimposed reflected first mea...

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    • Sheng-Fa Hou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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    • Volkswagen AG
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    Staged sodar sounding

    • Patent number 7,835,227
    • Issue date Nov 16, 2010
    • Tele-IP Limited
    • Andrew Louis Martin
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    Method and apparatus for eliminating substantially false echoes pro...

    • Patent number 6,545,946
    • Issue date Apr 8, 2003
    • Rosemount Aerospace Inc.
    • Charles George Huss
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    Doppler dead zone avoidance

    • Patent number 5,458,129
    • Issue date Oct 17, 1995
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    • Mark H. Wheeler
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    Device and method for detecting and elimination of spurious ultraso...

    • Patent number 5,453,932
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    • G01 - MEASURING TESTING
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    Underwater target detection apparatus

    • Patent number 3,976,968
    • Issue date Aug 24, 1976
    • The United States of America as represented by the Secretary of the Navy
    • Jack H. Slaton
    • G01 - MEASURING TESTING
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    3836949

    • Patent number 3,836,949
    • Issue date Sep 17, 1974
    • G01 - MEASURING TESTING
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    3729702

    • Patent number 3,729,702
    • Issue date Apr 24, 1973
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
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    3718896

    • Patent number 3,718,896
    • Issue date Feb 27, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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    3419235

    • Patent number 3,419,235
    • Issue date Dec 31, 1968
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    3412370

    • Patent number 3,412,370
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    • G01 - MEASURING TESTING
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    3360775

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    3122720

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    3093807

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    • G01 - MEASURING TESTING
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    2428799

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    2333688

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    2083344

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    2076724

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    1847243

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    1739901

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    1724576

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    1709573

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    • G01 - MEASURING TESTING
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    1692119

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Patents Applicationslast 30 patents