Patents Assigned to Bio Medic Data Systems
  • System monitoring programmable implantable transponder
    Patent number: 5252962
    Abstract: A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency independent of the input signal frequency. A programmable memory and thermistor are provided to produce user ID data and temperature data which is combined with the output signal.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: October 12, 1993
    Assignee: Bio Medic Data Systems
    Inventors: Donald J. Urbas, David Ellwood