Method and apparatus to facilitate transmission of an encrypted rolling code

Method and apparatus to facilitate transmission of an encrypted rolling code

An encrypted rolling code, a plurality of differing data bit order patterns, and a plurality of differing data inversion patterns are provided. Based on the encrypted rolling code, patterns are selected from one or more of the plurality of differing data bit order patterns and the plurality of diffe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Fitzgibbon, James J, Gregori, Eric, Laird, Edward Thomas
Format: Patent
Sprache:eng
Schlagworte:
ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CHECKING-DEVICES
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GENERATING RANDOM NUMBERS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
TIME OR ATTENDANCE REGISTERS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:An encrypted rolling code, a plurality of differing data bit order patterns, and a plurality of differing data inversion patterns are provided. Based on the encrypted rolling code, patterns are selected from one or more of the plurality of differing data bit order patterns and the plurality of differing data inversion patterns. At least a part of the encrypted rolling code is transmitted to a movable barrier operator using the selected patterns as transmission characteristics.