74246680
Feb 18, 1992
security system; namely, intruder detecting sensor, magnetic sensor, ultrasonic wave type intruder sensor, vibration sensor, microwave type intruder sensor, active infrared sensor, passive infrared sensor, glass break detecting sensor, shutter sensor, fire sensor, smoke sensor, heat sensor, flame sensor, thermal sensor, fire alarm control panel, burglar alarm control panel (security controller), transmitter, transponder, receiver, relay, antenna, repeater, alarm lamp, alarm buzzer, warning lamp, emergency lamp, power supplies, battery, activator, call button, panic button, printer, card reader, CRT display terminal, video camera, timer, electrical lock, lock controller, card to activate security system, intercom, telephone, answering machine, emergency button, fire extinguisher, automatic fire extinguishing apparatus; entrance and exit management devices using electronic fingerprint identification apparatus; enciphering apparatus for facsimile; automatic gate for car park
Electrical and Scientific Apparatus