US 6,982,644 B2
Safety device
Dan R. McDaniel, Vancouver, Wash. (US); and Katrina Heiles, Vancouver, Wash. (US)
Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US)
Filed on May 09, 2002, as Appl. No. 10/143,088.
Prior Publication US 2003/0216135 A1, Nov. 20, 2003
Int. Cl. G08B 13/14 (2006.01)
U.S. Cl. 340—572.1 37 Claims
OG exemplary drawing
 
1. A safety device comprising:
a radio frequency (RF) receiver;
an RF transmitter; and
a controller coupled to the receiver and transmitter, wherein the controller utilizes at least one discovery protocol to determine the presence of a radiator,
wherein the controller parses RF signal data received by the receiver, determines the compatibility of the signal data with at least one discovery protocol, and communicates with the radiator using the transmitter, receiver, and at least one discovery protocol to determine information about the radiator which is helpful in locating or disabling the radiator.