Patent ID: 6057764
Filing Date: 2000-05-02
Classification: G07C,G08B

Abstract:
An alarm system comprising:one or more motion detectors for providing a violation signal indicative of a potential alarm in response to sensing motion within a space;a transmitter for transmitting, in response to said violation signal, an inquiry message within said space;a portable device including a transmitter and a receiver for receiving said inquiry message and, in response thereto, transmitting said authorization code;signal processing means for comparing said authorization code with one or more predetermined codes, and, if said authorization code is identical with one said predetermined code, providing a dynamic bypass signal, said signal processing means responsive to said violation signal for causing an alarm indication signal in response to the presence of said violation signal concurrently with the absence of said dynamic bypass signal, but not providing said alarm indication signal in response to the presence of said violation signal concurrently with said dynamic bypass signal; anda control panel having keys for entering a personal identification number and selecting a function, one function being setting said predetermined code into said portable device for transmission thereafter as said authorization code; and whereinsaid signal processing means comprises means responsive to said code setting function for transmitting said predetermined code; andsaid portable device, in response to receipt of said predetermined code, sets said authorization code equal to said predetermined code.