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Radar detection device employing a scanning antenna system

  • US 7,199,749 B2
  • Filed: 12/12/2003
  • Issued: 04/03/2007
  • Est. Priority Date: 12/12/2003
  • Status: Expired due to Fees
First Claim
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1. A system for detecting a respiration signal of at least one subject in a target area, comprising:

  • a scanning antenna to transmit a microwave signal across the target area, wherein the scanning antenna receives a reflected microwave signal from the at least one subject;

    a control system to track the position of the scanning antenna as the scanning antenna transmits the microwave signal while the position of the scanning antenna mechanically and continuously rotates;

    a signal processing system to detect the respiration signal of the at least one subject from the reflected microwave signal that is received by the scanning antenna.

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