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
Bi-directional motor control incorporating a defroster element
Bidirectional DC motor
Bidirectional speed control system
Bipolar driver with illegal code detector
Blind tilt controller
Bouncing oscillating scanning device for laser scanning apparatu
Brake device for motor in camera
Braking apparatus
Braking system for three phase motors