Patent ID: 6081193
Filing Date: 2000-06-27
Classification: G08B

Abstract:
An electronic intrusion detection system for at least one monitored environment, comprising:at least one electronic sensor (1a, 1b, 1c) responsive to movements occurring in said environment and capable of modifying at least one of the significant characteristics of its output electric signal in response to the presence of a moving body in said monitored environment;at least a first alarm circuit (10a, 10b, 10c) connected to said sensor and capable of generating an alarm signal (ALARM) when said modification meets a predetermined condition;and an alarm control unit (30) adapted to receive said alarm signal (ALARM);characterized in that said system comprises additional transducer means (20a, 20b, 20c) for continuously converting said modification of the output from said electric sensor (1a, 1b, 1c) into a signal that can be perceived by a human being, said perceivable signal being transmitted to said alarm control unit (30).