TREA

where the scanning is accomplished by mechanical means

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Industry

  • CPC
  • H03J7/30
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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

H03J7/30where the scanning is accomplished by mechanical means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Radio receiving circuit with a search tuning mechanism
    • Patent number 4,792,988
    • Issue date Dec 20, 1988
    • Nihon Technical Kabushiki Kaisha
    • Tamaki Ohashi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Band-pass filtering device with servo-controlled tuning
    • Patent number 4,157,515
    • Issue date Jun 5, 1979
    • Thomson-CSF
    • Pierre de Bayser
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Radio with automatic scan tuning
    • Patent number 4,097,811
    • Issue date Jun 27, 1978
    • General Motors Corporation
    • Lee Hullinger
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Television signal-seeking automatic tuning system
    • Patent number 4,047,226
    • Issue date Sep 6, 1977
    • Parker; Louis W.
    • Rhey Warren Hedges
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3854342
    • Patent number 3,854,342
    • Issue date Dec 17, 1974
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3852691
    • Patent number 3,852,691
    • Issue date Dec 3, 1974
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3825838
    • Patent number 3,825,838
    • Issue date Jul 23, 1974
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3784762
    • Patent number 3,784,762
    • Issue date Jan 8, 1974
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3764912
    • Patent number 3,764,912
    • Issue date Oct 9, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3745469
    • Patent number 3,745,469
    • Issue date Jul 10, 1973
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3706016
    • Patent number 3,706,016
    • Issue date Dec 12, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3701025
    • Patent number 3,701,025
    • Issue date Oct 24, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3688199
    • Patent number 3,688,199
    • Issue date Aug 29, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3633111
    • Patent number 3,633,111
    • Issue date Jan 4, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3632864
    • Patent number 3,632,864
    • Issue date Jan 4, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3619492
    • Patent number 3,619,492
    • Issue date Nov 9, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3612776
    • Patent number 3,612,776
    • Issue date Oct 12, 1971
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3612777
    • Patent number 3,612,777
    • Issue date Oct 12, 1971
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3611155
    • Patent number 3,611,155
    • Issue date Oct 5, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3610817
    • Patent number 3,610,817
    • Issue date Oct 5, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3597531
    • Patent number 3,597,531
    • Issue date Aug 3, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3597553
    • Patent number 3,597,553
    • Issue date Aug 3, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3584307
    • Patent number 3,584,307
    • Issue date Jun 8, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3577083
    • Patent number 3,577,083
    • Issue date May 4, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3564422
    • Patent number 3,564,422
    • Issue date Feb 16, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3553379
    • Patent number 3,553,379
    • Issue date Jan 5, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3528015
    • Patent number 3,528,015
    • Issue date Sep 8, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3515960
    • Patent number 3,515,960
    • Issue date Jun 2, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3505604
    • Patent number 3,505,604
    • Issue date Apr 7, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3505605
    • Patent number 3,505,605
    • Issue date Apr 7, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents