Digital two-step controller for an actuator element

Disk preconditioning apparatus and related method

Dither magnitude control

Dividing timer

Door holder having electromagnetic flux generator and power cont

Door lock security system

Door operator safety feature requiring constant actuation to clo

Double DC coil timing circuit

Double solenoid linear motion actuator

Double-acting electromagnetic actuator

Drive apparatus and drive method for electromagnetic drive...

Drive circuit

Drive circuit

Drive circuit

Drive circuit for a latching relay

Drive circuit for printer, particularly, matrix printer of the n

Drive circuit for solenoid pump

Drive circuit for solenoid pump

Drive circuit of an electromagnetic device

Drive circuit of direct-current voltage-driven magnetic...