Reprogrammable remote keyless entry system
Request with response mechanism and method for a local area netw
Residential facility control system
Residential time reference system
Resistance-bridge to frequency converter with automatic offset c
Resolver excitation circuit
Resonant sensor system and method
Restaurant service request communications system
Restoration network architecture
Restriction of communication service accessibility among subscri
Retail store display system
Retrieval apparatus using logical operators
Retriggerable sleep timer with user-prompting mode operation
Retrofit, newspaper tracking audit system for newspaper rack mac
Revenue meter having precision time clock
Revenue meter with fiber connection
Revenue meter with power quality features
Revenue meter with power quality features
RF cellular technology network transmission system for remote mo
RF meter reading system