Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 24, 2009
0Patent Application Number
113653970
Date Filed
March 1, 2006
0Patent Primary Examiner
Patent abstract
A distance determination and alarm system for alarming when a wireless transmitter is either close or distant, having a wireless transmitter for transmitting an emitter signal. A wireless receiver is for receiving the emitter signal. The wireless receiver is for resolving the distance between the wireless transmitter and the wireless receiver. A proximity switch is electrically connected to the wireless receiver for selectable switching between within boundary alarm and out of boundary alarm. An alarm is electrically connected to the wireless receiver.
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