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Implantable receiver circuit

  • US 4,044,775 A
  • Filed: 04/29/1976
  • Issued: 08/30/1977
  • Est. Priority Date: 04/29/1976
  • Status: Expired due to Term
First Claim
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1. A circuit included in a device implantable within a body for providing at a given rate pulses of a pulse signal to a lead connecting said device to bodily tissue, said device including means responsive to a signal applied external to said body and radiated to said device for providing an internal signal manifesting said externally applied signal to said circuit, said external signal being a series of alternating current pulse bursts which occur at given rate, said circuit comprising:

  • first means responsive to said internal signal for providing a pulse during the occurrence of each pulse burst;

    output energy storage means coupling said pulse signal to said lead; and

    second means switchably engaged for providing a low resistance discharge path for said storage means during the time pulses of said pulse signal are not applied to said storage means.

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