Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-08-07
2007-08-07
Fan, Chieh M. (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S130000, C375S145000, C370S469000, C370S466000, C370S342000
Reexamination Certificate
active
10081724
ABSTRACT:
A system and method for the automatic establishment of a connection between a human interface device and a host transceiver unit, wherein the system includes a host transceiver unit configured to be connected with a host via a bus, and configured to wirelessly exchange data with a human interface device; a human interface device configured to wirelessly exchange data with a host transceiver; and a computer readable media having instructions thereon, wherein said instruction include routines for synchronizing the host transceiver unit and the human interface device for wirelessly exchanging data between the host transceiver unit and the human interface device at a spread spectrum modulation pattern which is determined by the host transceiver after the host transceiver unit and the human interface device have acknowledged each other's presence.
REFERENCES:
patent: 5850187 (1998-12-01), Carrender et al.
patent: 6061389 (2000-05-01), Ishifuji et al.
patent: 6166734 (2000-12-01), Nahi et al.
patent: 6748005 (2004-06-01), Riazi et al.
patent: 2003/0012156 (2003-01-01), Fukuda
patent: 2003/0035464 (2003-02-01), Dehner et al.
Favey Hugues Michel
Lavelle Mark Thomas
Loughnane Patrick Paul
Schmid Eric
Wegmuller David Ernest
Fan Chieh M.
Logitech Europe S.A.
Townsend and Townsend / and Crew LLP
Zheng Eva
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