Quadrant driver for microwave switches
Quench propagation device for a superconducting magnet
Quench-protected, refrigerated superconducting magnet
Quick connect terminal for electric power switch
Quick magnetizing and demagnetizing device for screwdrivers
Quick-action circuit breaker assisted by a control circuit
Quick-return electro-mechanical actuator
Quiet ferrofluid solenoid
Quiet ferrofluid solenoid with cushion
Quiet relay