D.C. power control for D.C. solenoid actuators

D.C. relay with power reducing function

D.C. solenoid

Damping circuit providing capability of adjusting current flowin

Data erasing device using permanent magnet

DC actuator control circuit with voltage compensation, current c

DC circuit breaking spark suppressor circuit device

DC electromagnet apparatus

DC solenoid actuator circuits

Defect detector circuit for inductive load driving circuit

Degausser

Degausser for tape with plural recorded segments

Degausser/demagnetizer

Degaussing apparatus

Degaussing apparatus

Degaussing apparatus and method for rotatable video display...

Degaussing arrangement for maser surrounded by magnetic shieldin

Degaussing circuit

Degaussing circuit

Degaussing circuit for CRT