CPC G08C 17/02 (2013.01) [E05F 15/77 (2015.01); G07C 9/00182 (2013.01); G07C 2009/00793 (2013.01)] |
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT: |
The patentability of claims 1, 4, 16 and 19 is confirmed. |
Claims 2-3, 5-15, 17-18 and 20-26 were not reexamined. |
1. A remote controlled barrier opening system, comprising:
a transmitter configured to:
(a) switch an output frequency to different channels, the switching being performed at a transmitter-switching rate, and
(b) on each of the channels, transmit multiple copies of a message;
a receiver configured to:
(a) switch a reception frequency to the different channels at a receiver scan rate that is different from the transmitter-switching rate, and
(b) on each of the channels, receive data for a period of time greater than a transmission time of one copy of the message; and
a barrier operator configured to operate a device at least in part in response to receipt of a copy of the message on any of the different channels.
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