Multiplex communications – Fault recovery – Bypass an inoperative station
Reexamination Certificate
2008-03-18
2008-03-18
Pham, Chi (Department: 2616)
Multiplex communications
Fault recovery
Bypass an inoperative station
C370S217000, C370S220000, C370S223000, C370S225000, C370S227000, C370S242000, C370S247000, C370S249000, C370S251000, C375S222000, C375S259000, C375S295000, C375S316000
Reexamination Certificate
active
07345992
ABSTRACT:
The present invention relates in general to a method, apparatus, and article of manufacture for providing high-speed digital communications through a communications channel. In one aspect, the present invention employs a variable rate back channel, incorporated within an existing communication that does not increase or adversely impact the transmission rate of data on the communication channel.
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patent: 6169767 (2001-01-01), Strolle et al.
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patent: 6259680 (2001-07-01), Blackwell et al.
patent: WO 97/34397 (1997-09-01), None
patent: WO 00/16525 (2000-03-01), None
“IC-Friendly Line Codes for Direct-Conversion Receivers”, by Dongling Pan et al., Radio and Wireless Conference, 2000 IEEE Sep. 10-13, XP010521029, pp. 79-81.
“Binary Code Suitable for Line Transmission”, by Griffith J M, Electronic Letters, IEE Stevenage, GB, vol. 5, No. 4, Feb. 20, 1969, XP000761084, pp. 79-81.
Check, Jr. William S.
Gorecki James
Lefferts Robert B.
Searles Shawn
Stonick John T.
Jain Raj K
Park Vaughan & Fleming LLP
Pham Chi
Synopsys Inc.
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