Pulse or digital communications – Transceivers – Modems
Reexamination Certificate
2006-01-10
2006-01-10
Bayard, Emmanuel (Department: 2631)
Pulse or digital communications
Transceivers
Modems
Reexamination Certificate
active
06985520
ABSTRACT:
A communication system is provided. It comprises a central office (CO) of a communication service provider and at least one subscriber premise (SP), each SP being linked to a CO by a subscriber-associated communication line comprising a twisted pair of telephone lines, and at least one xDSL modem in the CO coupled to said subscriber-associated communication line. Each SP has a plurality of communication devices, which comprises one or more telephone devices connected to the communication line and at least one network DSL (NDSL) modem associated with a computerized device, the NDSL modem being connected to said communication line; each of said modems having an upstream transmitter and a downstream receiver for communication with the CO and an upstream transmitter and an upstream receiver for communication with other NDSL modems within the SP. Provided is also a novel NDSL modem for use in the above system.
REFERENCES:
patent: 4639921 (1987-01-01), Gang et al.
patent: 5898761 (1999-04-01), McHale et al.
patent: 5901205 (1999-05-01), Smith et al.
patent: 5905781 (1999-05-01), McHale et al.
patent: 5982784 (1999-11-01), Bell
patent: 5999565 (1999-12-01), Locklear, Jr. et al.
patent: 6028867 (2000-02-01), Rawson et al.
patent: 6278706 (2001-08-01), Gibbs et al.
patent: 6282273 (2001-08-01), McHale et al.
patent: 6295357 (2001-09-01), Staples et al.
patent: 6456650 (2002-09-01), Cheng et al.
patent: 6466584 (2002-10-01), Maxwell et al.
patent: 6563864 (2003-05-01), Ibrahim et al.
patent: 6633572 (2003-10-01), Olshansky et al.
patent: 6775305 (2004-08-01), Delvaux
patent: WO 97/37458 (1997-10-01), None
ITU-T Recommendation G. 992.2:Splitterless ADSL Transceivers, Jun. 1999, XP002181912.
TU-T G.992.1 Series G: Transmission Systems and Media, Digital Systems and Networks, Digital Transmission Systems Access Networks, Asymmetrical Digital Subscriber Line (ADSL) Transceivers (Jun. 1999).
Draft Standard-T1E1.413 Issue 2: Standards Project for Interfaces Relating to Carrier to Customer Connection of Asymmetrical Digital Subscriber Line (ADSL) Equipment, Committee T1-Telecommunications, Nov. 30-Dec. 4, 1998.
Peter S. Chow et al., “A Multi-drop In-house ADSL Distribution Network”, Serving Humanity Through Communications. Supercomm/Icc. New Orleans, May 1994, International Conference on Communications, New York, IEEE, US, vol. 1, pp. 456-460.
Alphapatent Associates Ltd.
Bayard Emmanuel
Coppergate Communication Ltd.
Swirsky Daniel J.
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