75751117
Jul 14, 1999
Apr 30, 2002
ELECTRONIC EMERGENCY CALL AND ALARM SYSTEM COMPRISING WIRELESS PENDANTS ACTIVATED BY INDIVIDUALS, INTERCOM, COMPUTER, MOTION DETECTOR, SMOKE ALARM, WALL-MOUNTED EMERGENCY CALL SWITCHES, 2-WAY RADIO, AND DOOR ALARM, FOR SENIOR HOUSING FACILITIES
Electrical and Scientific Apparatus