Proximity switched machine control method and apparatus
Pulse width modulated servo clutch driver
Pulse width modulated servo clutch driver
PWM multiplexed solenoid driver
PWM relay actuator circuit
Quick-action mechanical switching point
Radio control security system for automobile doors, trunk and ho
Railroad track circuit vital relay control
Rain detector for automatic irrigation systems
Rapid turn-on, slow drop-out control arrangement
Reconfigurable multichip module stack interface
Reduced tensioning time for electronically controlled switch...
Redundant control relay circuits
Redundant power supply with a switchable, linear voltage...
Relay
Relay actuation circuitry
Relay actuator circuit and method
Relay circuit for controlling an inductive load
Relay circuit having a pulse generator for closing contacts
Relay circuit having a test switch and method of testing a relay