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in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

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  • CPC
  • H03J7/22
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Parent Industries

HELECTRICITY H03Electronic circuits H03JTUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS H03J7/00Automatic frequency control Automatic scanning over a band of frequencies

Current Industry

H03J7/22in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
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Patents Grantslast 30 patents

  • Information Patent Grant

    Television system with controlled tuning
    • Patent number 7,643,099
    • Issue date Jan 5, 2010
    • Koninklijke Philips Electronics N.V.
    • Janardhana Bhat
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automated frequency compensation for remote synchronization
    • Patent number 7,346,133
    • Issue date Mar 18, 2008
    • Harris Corporation
    • James E. Tatem, Jr.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automated frequency compensation for remote synchronization
    • Patent number 6,823,031
    • Issue date Nov 23, 2004
    • Wavtrace, Inc.
    • James E. Tatem
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Mobile communication terminal for rapid adjustment of a reference f...
    • Patent number 6,275,699
    • Issue date Aug 14, 2001
    • NEC Corporation
    • Masaki Ichihara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    AFC circuit for a frequency scanning FSK receiver
    • Patent number 6,137,846
    • Issue date Oct 24, 2000
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Receiving apparatus for performing digital broadcast channel select...
    • Patent number 6,128,352
    • Issue date Oct 3, 2000
    • Sony Corporation
    • Shunji Maeda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Receiver arrangement
    • Patent number 4,307,422
    • Issue date Dec 22, 1981
    • Plessey Handel und Investments AG
    • Tapan K. Das
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Search type tuning system with direct address channel selection app...
    • Patent number 4,291,413
    • Issue date Sep 22, 1981
    • RCA Corporation
    • John G. N. Henderson
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3758866
    • Patent number 3,758,866
    • Issue date Sep 11, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3675132
    • Patent number 3,675,132
    • Issue date Jul 4, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3435346
    • Patent number 3,435,346
    • Issue date Mar 25, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3038067
    • Patent number 3,038,067
    • Issue date Jun 5, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3024359
    • Patent number 3,024,359
    • Issue date Mar 6, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3021424
    • Patent number 3,021,424
    • Issue date Feb 13, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2977466
    • Patent number 2,977,466
    • Issue date Mar 28, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2977465
    • Patent number 2,977,465
    • Issue date Mar 28, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2897352
    • Patent number 2,897,352
    • Issue date Jul 28, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2884519
    • Patent number 2,884,519
    • Issue date Apr 28, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2852669
    • Patent number 2,852,669
    • Issue date Sep 16, 1958
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2843734
    • Patent number 2,843,734
    • Issue date Jul 15, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2837646
    • Patent number 2,837,646
    • Issue date Jun 3, 1958
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2794918
    • Patent number 2,794,918
    • Issue date Jun 4, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2794920
    • Patent number 2,794,920
    • Issue date Jun 4, 1957
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2729745
    • Patent number 2,729,745
    • Issue date Jan 3, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2725476
    • Patent number 2,725,476
    • Issue date Nov 29, 1955
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2486551
    • Patent number 2,486,551
    • Issue date Nov 1, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2470843
    • Patent number 2,470,843
    • Issue date May 24, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2398793
    • Patent number 2,398,793
    • Issue date Apr 23, 1946
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2300081
    • Patent number 2,300,081
    • Issue date Oct 27, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2287925
    • Patent number 2,287,925
    • Issue date Jun 30, 1942
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents