×

Implantable medical device with variable incoming communication signal discrimination, and method for operating same

  • US 6,647,298 B2
  • Filed: 06/04/2001
  • Issued: 11/11/2003
  • Est. Priority Date: 06/04/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. An implantable medical device comprising:

  • circuitry requiring activation by an activation signal in order to operate;

    a telemetry communication unit adapted for bi-directional communication with an external device, said telemetry communication unit including a receiver adapted to receive communication signals, including said activation signal, from the external device, said communication signals each having a signal strength, and a discriminator preceding said receiver and having a variable discriminator threshold, said discriminator allowing said activation signal to proceed to said receiver only if the signal strength of said activation signal exceeds said discriminator threshold; and

    a control unit connected to said discriminator which emits control signals to said discriminator to set said discriminator threshold to a selected level.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×