Patents by Inventor Steven Frank Bender

Steven Frank Bender has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Phase locked loop signal demodulator and squelch circuit
    Patent number: 4117410
    Abstract: An FM demodulator and detector suitable for integration including a phase locked loop for locking to an FM signal and recovering the modulating signal and squelch circuitry coupled to the phase locked loop for gating out the recovered modulating signal. The phase locked loop includes an emitter coupled multivibrator whose phase shifted output is applied together with the FM signal to the squelch circuitry for quadrature phase detection, followed by filtering to derive an indication signal for controlling the gating of the recovered modulating signal.
    Type: Grant
    Filed: October 13, 1977
    Date of Patent: September 26, 1978
    Assignee: Motorola, Inc.
    Inventor: Steven Frank Bender