Reconstruction of signals using redundant channels

Record measurement method and system using radio frequency...

Redundant DC power supply for analog computers and the like

Redundant power communications circuit

Refereeing aid system for ball games

Refrigeration alarm

Refrigeration unit air temperature detection alarm system

Relaxation switch

Reminder device

Remote AC power control with control pulses at the zero crossing

Remote adding and reading device for a meter

Remote alarm for personal intelligent communicators

Remote alarm monitoring and circuit control system

Remote alarm system for detection of fire extinguisher removal

Remote control apparatus for power line communications system

Remote control device for an amplifier trap circuit

Remote control device for electronic apparatus

Remote control equipment and a control method thereof

Remote control for combined ceiling fan and light fixture

Remote control repeater