Pulse or digital communications – Transceivers – Modems
Reexamination Certificate
2007-10-16
2007-10-16
Kumar, Pankaj (Department: 2611)
Pulse or digital communications
Transceivers
Modems
Reexamination Certificate
active
10313367
ABSTRACT:
Seamless wideband support is afforded by utilizing split-band data streams. For wideband signals, the 8 kHz bandwidth is divided into a low band, with approximately 0-4 kHz bandwidth, and a high band, with approximately 4-8 kHz bandwidth. Narrowband functions and services operate on the low band, while wideband functions and services operate on both low and high bands.
REFERENCES:
patent: 5493581 (1996-02-01), Young et al.
patent: 6215828 (2001-04-01), Signell et al.
patent: 6512472 (2003-01-01), Smith et al.
patent: 6667923 (2003-12-01), DelMain et al.
patent: 2001/0044722 (2001-11-01), Gustafsson et al.
patent: WO-01/61687 (2001-08-01), None
Cheung Kenneth
Houghton Phil
LeBlanc Wilf
Broadcom Corporation
Kumar Pankaj
McAndrews Held & Malloy Ltd.
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