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Telemetric transmitter unit

  • US 5,491,474 A
  • Filed: 11/16/1994
  • Issued: 02/13/1996
  • Est. Priority Date: 05/22/1991
  • Status: Expired due to Term
First Claim
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1. A telemetric transmitter unit comprising:

  • (a) one or more electrodes for placement on the skin of a living being and detecting signals from the living being;

    (b) a transmitter for receiving signals from the one or more electrodes and generating a magnetic field in response to the received signals so as to wirelessly transmit the signals by using a magnetic proximity field, said transmitter including transmitter electronics;

    (c) an electrically conductive plastic layer fixedly coupling the one or more electrodes to the transmitter electronics; and

    (d) one or more plastic members joining the transmitter electronics, the electrodes and the conductive plastic layer together so as to form an integrated, waterproof transmitter unit, wherein the one or more plastic members comprises a plastic casing containing the transmitter electronics, and first and second plastic layers disposed one on the other and closing one side of the casing, one of the plastic layers being provided with one or more openings therein for holding the one or more electrodes so as to permit contact with the skin of a user during use of the unit.

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