Patent ID: 6847287

Claim:
A control system for an actuator used to actuate a device, the control system comprising: a plurality of signal transmitters, each transmitter coded to transmit a different, unique transmitter identifier when operated; a receiver receiving a transmitter identifier transmitted by any of the transmitters; a memory coupled to the receiver, the memory having a plurality of memory locations referenced by memory addresses, wherein each one of the different, unique transmitter identifiers is used as one of the memory addresses; a mode selector alternating between a first mode and a second mode; and a central processor coupled to the receiver, memory, and mode selector, the central processor including logic for: selecting a memory location having a memory address that uses the received transmitter identifier; determining whether the mode selector is in the first mode or the second mode; and storing a valid bit in the selected memory location indicating that the received transmitter identifier is valid if the mode selector is in the first mode.