Electric motor control
Electric motor control circuit
Electric motor reversing control system
Electric multi-point positioner for a rotary component
Electrically controlled curtains
Electrically powered power window unit
Electronic control circuit for a separately excited DC machine
Electronic shifter
Electronic sliding door
Elevator door control responsive to obstructions
Focusing controller for survey instrument
Frequency controlled oscillating pet toy
Garage door opener
Gate control of thyristor converters for reversibly driving a D.
Gate operating mechanism
Half-open position holding apparatus for vehicle opening and...
Hands free waste flap apparatus and method
Highway crossing guard mechanism controller
Hoist motor control system
Horizontally movable portal closure system