Patent ID: 8410895

Claim:
In a barrier operator system for moving a barrier between open and closed positions, a motor operably connected to drive said barrier, a base controller operably connected to said motor and operable to receive signals from barrier position limit detection means, and at least one remote control unit operable for wireless communication with said base controller, the improvement characterized by: said base controller including an RF base transceiver and said at least one remote control unit including an RF remote transceiver operable to communicate with said base transceiver, said remote control unit including status indicator means operable to indicate a status of said barrier in response to receiving signals from said base transceiver; an obstruction detector including a detector transceiver operable to communicate obstruction detection signals to at least one of said base transceiver and said remote transceiver; and a power controller operable to switch a power consumption mode of said obstruction detector; wherein said detector transceiver is operable to receive wireless control signals and is further operable to activate said power controller upon receipt of said wireless control signals.