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Multiple channel biomedical digital telemetry transmitter

  • US 5,704,351 A
  • Filed: 02/28/1995
  • Issued: 01/06/1998
  • Est. Priority Date: 02/28/1995
  • Status: Expired due to Term
First Claim
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1. A biomedical telemetry transmitter suitable for transmitting data from a plurality of biomedical data signals originating as analog input signals produced by biomedical sensors, said telemetry transmitter comprising:

  • an input circuit for receiving the analog input signals and providing the biomedical data signals;

    an analog/digital converter for converting the biomedical data signals to corresponding digital signals;

    control means coupled to said analog/digital converter for receiving said digital signals, said control means including means for providing a serial digital modulating signal from the digital signals of said analog/digital converter and for introducing data compression in the provision of said digital modulating signal;

    an rf signal generating means for generating an rf carrier signal; and

    means coupled to said control means and to said rf signal generating means for frequency modulating the rf carrier signal with said digital modulating signal to form a transmission signal for said transmitter containing data from said plurality of biomedical data signals.

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