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Active antenna for medical telemetry monitoring systems

  • US 4,194,179 A
  • Filed: 11/18/1977
  • Issued: 03/18/1980
  • Est. Priority Date: 11/18/1977
  • Status: Expired due to Term
First Claim
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1. An active antenna assembly for receiving transmitted rf signals representing physiological conditions of a patient, comprising:

  • a housing;

    at least one passive reception element within said housing for receiving transmitted rf signals;

    first amplifying means within said housing for amplifying the rf signals received by the reception element;

    combining means within said housing for combining rf signals which have been amplified by said first amplifying means with rf signals from a second antenna assembly;

    first connector means adapted for connecting an output of said combining means to a cable for carrying rf signals; and

    second connector means adapted for connecting a cable carrying rf signals from an output of a second antenna assembly to said combining means.

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