G - Physics – 08 – C
Patent
G - Physics
08
C
G08C 17/02 (2006.01) E05F 15/00 (2006.01)
Patent
CA 2681954
A wireless radio frequency transmitter (400), upon detecting (101) an end user assertion of an end user interface and in automatic response thereto, uses a first rolling carrier frequency to transmit (102) a message. Upon then determining (104) that the end user is continuing to assert this end user interface, this transmitter then re- transmits (105) that message using a predetermined fixed carrier frequency. By one approach, the first rolling carrier frequency is selected from amongst a pool of candidate carrier frequencies using a carrier frequency calculation formula. By another approach, this carrier frequency is selected from one or more tables that comprise a plurality of different carrier frequencies.
Keller Robert R. Jr.
Lukas Edward J.
Scaletta John Steven
Macrae & Co.
The Chamberlain Group Inc.
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