TREA

Gramophone pick-ups using a stylus Recorders using a stylus

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  • CPC
  • H04R9/12
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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type

Current Industry

H04R9/12Gramophone pick-ups using a stylus Recorders using a stylus
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Moving-coil type stereo pickup cartridge
    • Patent number 9,497,548
    • Issue date Nov 15, 2016
    • Kabushiki Kaisha Audio-Technica
    • Mitsuo Miyata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Moving coil type pick up cartridge assembly
    • Patent number 8,593,929
    • Issue date Nov 26, 2013
    • Allen Perkins
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound pickup and amplifier apparatus for vibrating strings
    • Patent number 5,995,635
    • Issue date Nov 30, 1999
    • William Fletcher
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Stylus for reproducing information signals recorded on a recording...
    • Patent number 4,497,052
    • Issue date Jan 29, 1985
    • Victor Company of Japan, Ltd.
    • Yoshiyo Wada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Stylus for reproducing capacitive videodisc
    • Patent number 4,273,967
    • Issue date Jun 16, 1981
    • Victor Company of Japan, Limited
    • Yoshiyo Wada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Pickup
    • Patent number 4,220,341
    • Issue date Sep 2, 1980
    • Ortofon Manufacturing A/S
    • Hisayoshi Nakatsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Stylus for reproducing capacitive videodisc
    • Patent number 4,199,782
    • Issue date Apr 22, 1980
    • Victor Company of Japan, Limited
    • Yoshiyo Wada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Signal pickup device with tracking control and jitter compensation...
    • Patent number 4,160,268
    • Issue date Jul 3, 1979
    • Victor Company of Japan, Ltd.
    • Kunio Goto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Reproducing transducer capable of tracking control
    • Patent number 4,152,727
    • Issue date May 1, 1979
    • Victor Company of Japan, Ltd.
    • Kazuo Tatsuguchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Moving coil pickup having a substantially square magnetic armature...
    • Patent number 4,145,582
    • Issue date Mar 20, 1979
    • Ortofon Manufacturing A/S
    • Hisayoshi Nakatsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Pickup
    • Patent number 4,138,122
    • Issue date Feb 6, 1979
    • Ortofon Manufacturing A/S
    • Hisayoshi Nakatsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dynamic type pickup
    • Patent number 4,011,417
    • Issue date Mar 8, 1977
    • Messrs. Kabushiki Kaisha Mitachi Onkyo Seisakusho
    • Tomo Kageyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Moving coil-type cartridge
    • Patent number 3,963,880
    • Issue date Jun 15, 1976
    • Fidelity-Research Inc.
    • Isamu Ikeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3230318
    • Patent number 3,230,318
    • Issue date Jan 18, 1966
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3133161
    • Patent number 3,133,161
    • Issue date May 12, 1964
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3018336
    • Patent number 3,018,336
    • Issue date Jan 23, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2983796
    • Patent number 2,983,796
    • Issue date May 9, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2967214
    • Patent number 2,967,214
    • Issue date Jan 3, 1961
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    2883478
    • Patent number 2,883,478
    • Issue date Apr 21, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2858375
    • Patent number 2,858,375
    • Issue date Oct 28, 1958
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2854529
    • Patent number 2,854,529
    • Issue date Sep 30, 1958
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2792456
    • Patent number 2,792,456
    • Issue date May 14, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2689275
    • Patent number 2,689,275
    • Issue date Sep 14, 1954
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2645684
    • Patent number 2,645,684
    • Issue date Jul 14, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2640888
    • Patent number 2,640,888
    • Issue date Jun 2, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2617894
    • Patent number 2,617,894
    • Issue date Nov 11, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2606254
    • Patent number 2,606,254
    • Issue date Aug 5, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2595561
    • Patent number 2,595,561
    • Issue date May 6, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2593633
    • Patent number 2,593,633
    • Issue date Apr 22, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2591996
    • Patent number 2,591,996
    • Issue date Apr 8, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE