Patent Document ID: 20100301999
Application ID: 12473083
Patent Flag: 0

Claim One:
1. A channel switching remote controlled barrier opening system, comprising: a transmitter operatively connected to: (a) perform iterative, sequential setting of an output frequency of a transmitter to multiple channels; and (b) on each of the channels, perform transmission of multiple copies of a message before tuning of the transmitter to a next one of the multiple channels; a receiver operatively connected to: (a) perform iterative, sequential setting of a reception frequency of a receiver to the multiple channels in a manner that is asynchronous with the setting of the output frequency of the transmitter; and (b) over each of the multiple channels, receive data for a period of time greater than that required for transmission of exactly one copy of the message; and a barrier operator operatively connected to operate a device at least in part in response to receipt of a copy of the message on any of the multiple channels.