Patents Assigned to Autovox
  • Device for the detection of the state of rotation of a shaft, in particular for tape decks
    Patent number: 4234139
    Abstract: A rotatable capacitor of variable capacitance is utilized to produce modulation of a signal, and demodulation of the signal produces a signal usable for determining the state of rotation of a shaft used for rotating the capacitor.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: November 18, 1980
    Assignee: Autovox
    Inventor: Eliseo Porchia