TREA

the signals being represented by frequencies or phase of current or voltage in transmission link

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  • CPC
  • G08C15/10
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GPHYSICS G08Signaling G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS G08C15/00Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path

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G08C15/10the signals being represented by frequencies or phase of current or voltage in transmission link
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Tag measurement environment evaluation device
    • Patent number 11,551,545
    • Issue date Jan 10, 2023
    • Denso Wave Incorporated
    • Masayuki Ogawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Shield-carried noncontact frequency-domain electrical real-time adv...
    • Patent number 10,260,345
    • Issue date Apr 16, 2019
    • Shandong University
    • Shucai Li
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control device for a meter device, particularly a water meter devic...
    • Patent number 10,254,128
    • Issue date Apr 9, 2019
    • Diehl Metering Systems GmbH
    • Harald Finsterer
    • G08 - SIGNALLING
  • Information Patent Grant

    Motor control device and motor control method
    • Patent number 10,140,850
    • Issue date Nov 27, 2018
    • Nidec Corporation
    • Tomoyuki Tanisugi
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Data transmission system
    • Patent number 5,333,088
    • Issue date Jul 26, 1994
    • British GAS plc
    • George A. Sweet
    • G08 - SIGNALLING
  • Information Patent Grant

    Telemetry system for floor maintenance machines
    • Patent number 4,766,432
    • Issue date Aug 23, 1988
    • Tennant Company
    • Bruce F. Field
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Data acquisition transmitter and receiver
    • Patent number 4,575,720
    • Issue date Mar 11, 1986
    • Otis Elevator Company
    • David C. Smith
    • G08 - SIGNALLING
  • Information Patent Grant

    Multiplexed pulse tone signal receiving apparatus
    • Patent number 4,389,643
    • Issue date Jun 21, 1983
    • Edison Control Corporation
    • Desmond W. Hill
    • G08 - SIGNALLING
  • Information Patent Grant

    3919642
    • Patent number 3,919,642
    • Issue date Nov 11, 1975
    • G08 - SIGNALLING
  • Information Patent Grant

    3909811
    • Patent number 3,909,811
    • Issue date Sep 30, 1975
    • G08 - SIGNALLING
  • Information Patent Grant

    3806939
    • Patent number 3,806,939
    • Issue date Apr 23, 1974
    • G08 - SIGNALLING
  • Information Patent Grant

    3125750
    • Patent number 3,125,750
    • Issue date Mar 17, 1964
    • G08 - SIGNALLING
  • Information Patent Grant

    2845613
    • Patent number 2,845,613
    • Issue date Jul 29, 1958
    • G08 - SIGNALLING
  • Information Patent Grant

    2797403
    • Patent number 2,797,403
    • Issue date Jun 25, 1957
    • G08 - SIGNALLING
  • Information Patent Grant

    2784393
    • Patent number 2,784,393
    • Issue date Mar 5, 1957
    • G08 - SIGNALLING
  • Information Patent Grant

    2502215
    • Patent number 2,502,215
    • Issue date Mar 28, 1950
    • G08 - SIGNALLING
  • Information Patent Grant

    2496148
    • Patent number 2,496,148
    • Issue date Jan 31, 1950
    • G08 - SIGNALLING
  • Information Patent Grant

    2484218
    • Patent number 2,484,218
    • Issue date Oct 11, 1949
    • G08 - SIGNALLING
  • Information Patent Grant

    2466803
    • Patent number 2,466,803
    • Issue date Apr 12, 1949
    • G08 - SIGNALLING
  • Information Patent Grant

    2466804
    • Patent number 2,466,804
    • Issue date Apr 12, 1949
    • G08 - SIGNALLING
  • Information Patent Grant

    1947255
    • Patent number 1,947,255
    • Issue date Feb 13, 1934
    • G08 - SIGNALLING
  • Information Patent Grant

    1929241
    • Patent number 1,929,241
    • Issue date Oct 3, 1933
    • G08 - SIGNALLING
  • Information Patent Grant

    1849827
    • Patent number 1,849,827
    • Issue date Mar 15, 1932
    • G08 - SIGNALLING

Patents Applicationslast 30 patents