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

Data erasing device using permanent magnet

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

Degaussing circuit in a color television receiver

Degaussing coil and ground strap mounting arrangement

Degaussing coil holder

Degaussing system arrangements

Degaussing system for bulk demagnetization of previously magneti