signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

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

    Pick-up cartridges for gramophone records

    • Patent number 4,001,519
    • Issue date Jan 4, 1977
    • Alexander R. Rangabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3809828

    • Patent number 3,809,828
    • Issue date May 7, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3760126

    • Patent number 3,760,126
    • Issue date Sep 18, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3745263

    • Patent number 3,745,263
    • Issue date Jul 10, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3731009

    • Patent number 3,731,009
    • Issue date May 1, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3649775

    • Patent number 3,649,775
    • Issue date Mar 14, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3576956

    • Patent number 3,576,956
    • Issue date May 4, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3127481

    • Patent number 3,127,481
    • Issue date Mar 31, 1964
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3005060

    • Patent number 3,005,060
    • Issue date Oct 17, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents