Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-07-02
2010-02-16
Fan, Chieh M (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S133000, C375S132000, C375S140000, C375S130000, C375S134000, C370S328000, C370S210000, C370S457000, C455S464000, C455S419000
Reexamination Certificate
active
07664162
ABSTRACT:
Automatic establishment of a connection between a human interface device and a host transceiver unit. A marriage ID is exchanged in a synchronization step. The marriage ID being used by both the host transceiver and the human interface device to calculate a spread spectrum modulation pattern. In one embodiment the spread spectrum modulation is a frequency hopping spread spectrum modulation.
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Favey Hugues Michel
Lavelle Mark Thomas
Loughnane Patrick Paul
Schmid Eric
Wegmuller David Ernest
Fan Chieh M
Logitech Europe S.A.
Puente Eva Y
Townsend and Townsend / and Crew LLP
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