Radio-calling device capable of setting flexibly output mode
Railway car order selecting system
Range-bearing computer
RAPCON-control tower coordination system
Rate of change in altitude apparatus
Rear obstacle detecting system for automotive vehicles
Recorder of the status of a traffic control system
Recording ocean bottom device, such as a seismograph
Recording system for vehicle occupant protecting apparatus
Reflection type flow-flashing light
Refrigerator door lock with alarm
Register-gate system
Releasing circuit and checking circuit for a motor vehicle safet
Releasing device for an automatic fixed speed driving system
Reminder for vehicle drivers
Remote control apparatus for a property protection device
Remote control for engine oil level indicator
Remote control sonar beam steerer
Remote control system for traffic signal control system
Remote controlled surveillance train car