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In-bed state detection system

  • US 6,239,706 B1
  • Filed: 09/16/1998
  • Issued: 05/29/2001
  • Est. Priority Date: 09/17/1997
  • Status: Expired due to Term
First Claim
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1. An in-bed state detection system comprising:

  • a load detection section adapted for placement between a bed and a floor on which the bed is placed for detecting a load applied to the bed and providing a corresponding load signal;

    a determination section for determining an in-bed state based on the load signal; and

    a transmission section for transmitting a result of the determination, wherein the determination section differentiates the load signal by time and determines the in-bed state based on an output intensity and temporal distribution of a signal resulting from differentiation of the load signal.

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