Automatic initialization in a model railroad motor control syste
Automatic opening and closing apparatus for vehicle
Automatic opening and closing device for a window
Automatic powered flowmeter valves and control thereof
Automatic stop motion device in a motor drive camera
Automatic velocity and position controller for a film processor
Automatic venting system
Automatic vertical moving systems and control methods therefor
Auxiliary vehicular window recessing system
Barrier movement control for mid-travel barrier movement start
Barrier movement operator having obstruction detection
Barrier movement operator including direction switch feature
Barrier operator with fault control
Barrier operator with flexible drive member
Barrier operator with flexible drive member
Bi-directional driver system for electrical load
Bi-directional electric motor control circuit
Bi-directional electric motor control circuit
Bi-directional motor actuator
Bi-directional motor control circuit