Telecommunications – Radiotelephone system – Including private cordless extension system
Reexamination Certificate
2006-03-23
2009-08-18
Zewdu, Meless N (Department: 2617)
Telecommunications
Radiotelephone system
Including private cordless extension system
C455S063100, C455S452200, C455S453000, C455S509000
Reexamination Certificate
active
07577450
ABSTRACT:
A wireless communication device for carrying out wireless communication using any one of a plurality of channels, wherein for at least some of the plurality of channels, energy threshold values for determining whether or not a channel is busy is set for each channel. With respect to these energy threshold values, generally an energy threshold value set in at least one channel is set different to an energy threshold value set in another channel.
REFERENCES:
patent: 5809427 (1998-09-01), Perreault et al.
patent: 6707862 (2004-03-01), Larsson
patent: 7305237 (2007-12-01), Stephens
patent: 7372894 (2008-05-01), Rached et al.
patent: 2003/0156556 (2003-08-01), Puig-Oses et al.
patent: 2005/0020273 (2005-01-01), Fong et al.
patent: 2005/0164724 (2005-07-01), Marinier et al.
patent: 2005/0266803 (2005-12-01), Dinur et al.
patent: 2006/0109806 (2006-05-01), Kwak et al.
patent: 64-080135 (1989-03-01), None
patent: 2001-036490 (2001-02-01), None
patent: 2003-009229 (2003-01-01), None
patent: 2003-319448 (2003-11-01), None
Katten Muchin & Rosenman LLP
Sony Computer Entertainment Inc.
Zewdu Meless N
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