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Combination smoke alarm and wireless location device

  • US 7,019,646 B1
  • Filed: 09/11/2003
  • Issued: 03/28/2006
  • Est. Priority Date: 10/08/2002
  • Status: Active Grant
First Claim
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1. A smoke alarm device comprising:

  • a smoke sensor to sense a threshold level of smoke;

    an alarm control circuit in communication with the smoke sensor, the alarm control circuit configured to generate a signal in response to the smoke sensor sensing the threshold level of smoke;

    a wireless transceiver having an integrated memory that includes an enhanced wireless 911 feature with emergency identification data, the transceiver coupled to the alarm control circuit to automatically transmit the emergency identification data to a dispatch center upon receiving the signal from the alarm control circuit, wherein the emergency identification data includes a geographic location of the wireless transceiver; and

    a time delay control circuit to temporarily delay a transmission of the signal from the control circuit to the wireless transceiver.

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