Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate
2005-03-16
2010-11-23
Zimmerman, Brian A (Department: 2612)
Communications: electrical
Selective
Intelligence comparison for controlling
C340S005640, C340S005710, C340S870030, C380S270000
Reexamination Certificate
active
07839263
ABSTRACT:
A radio frequency transmitter is configured to send radio frequency messages to activate a remote system. Each message includes an encrypted counter value and a transmitter identifier. The transmitter is configured to send at least two of the messages having sequential encrypted counter values in response to a single user input.
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Datasheet for HCS300, Keeloq® Code Hopping Encoder by Microchip Technology, Inc.; Copyright 2001, 28 pages.
Foley & Lardner LLP
Johnson Controls Technology Company
Rushing Mark
Zimmerman Brian A
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