Radial-gain/axial-gain crossed-field amplifier (radaxtron)
Radiation fin structure of a magnetron
Radio electric wave generator for ultra-high frequencies
Radio frequency noise generating magnetron
Radio frequency noise generating magnetron
Radio frequency resonator
Radio-frequency amplifier
Radioactive starting aids for electrodeless light sources
Rapid start fluorescent lamp having quick hot restarting
Rapid start fluorescent lamp with a bimetal electrode disconnect
Rapid-start fluorescent lamp closure switch
Rapid-start fluorescent lamp integrated circuit breaker structur
Reflector high-pressure discharge lamp unit
Relativistic electron beam crossed-field device
Resistive lamp ballast with re-ignition circuit
Resistor assembly and cathode ray tube
Resistor built-in spark plug
Resistor composition for spark plug having a resistor enclosed t
Resistor-aided starting of metal halide lamps
Resonant cavity magnetron having a helical cathode