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Occupant heartbeat detection and monitoring system

  • US 7,183,930 B2
  • Filed: 07/19/2004
  • Issued: 02/27/2007
  • Est. Priority Date: 07/18/2003
  • Status: Expired due to Fees
First Claim
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1. A heartbeat sensing system comprising:

  • an occupant support having an occupant support surface;

    a first sensor proximate said occupant support surface and generating a first sensor signal;

    a second sensor remote from said occupant support surface and generating a second sensor signal; and

    a signal conditioning module connected to said first sensor and said second sensor for processing the first sensor signal and the second sensor signal to detect a heartbeat, wherein the second sensor is proximate a floor on which said occupant support is supported.

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