Patents Examined by Ronald C. Biegel
  • Sensor and transducer apparatus
    Patent number: 5589639
    Abstract: A force sensing system for a CPR device which generates an intelligible output signal corresponding to a force parameter. The system is comprised of a sensing device for sensing force exerted thereon and producing an electric reactance signal in response to the force exerted, and a processor for processing the electric reactance signal into an intelligible output signal which is shown on a display device.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: December 31, 1996
    Inventors: Nicholas F. D'Antonio, Nicholas J. D'Antonio