Patents Represented by Law Firm Henn & Cain
  • Patent number: 4349850
    Abstract: An improvement in tape recorders and players which comprises a means to detect whether the spindles or reels are rotating and an indication means which will signal to the operator when there is no rotation. An electric circuit can be used to transmit a signal from the means to detect to the indication means.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: September 14, 1982
    Inventor: William Harvey