73646731
Feb 26, 1987
Nov 22, 1988
MICROPROCESSOR BASED ELECTRONIC MONITORS, CONTROLLERS, VOICE RESPONSE UNITS, TEMPERATURE SENSORS, AND COMMUNICATION INTERFACES BETWEEN COMPUTERS AND TELEPHONES, TELEVISIONS, AND RADIOS, AND COMPUTER PROGRAMS FOR USE IN THE MONITORING, MANAGEMENT AND CONTROL OF HEATING, VENTILATION, AIR CONDITIONING, LIGHTING AND PERSONNEL ACCESS IN COMMERCIAL, INDUSTRIAL, AND INSTITUTIONAL BUILDINGS
Electrical and Scientific Apparatus