Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of data transmission
Reexamination Certificate
2006-09-05
2006-09-05
Taylor, Barry (Department: 2617)
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of data transmission
C379S027080, C379S032010
Reexamination Certificate
active
07103148
ABSTRACT:
A DSL communication method is used for interconnecting a user and a center by using a 2-wire telephone line and a DSL communications technology so that the user and the center perform an intercommunication. The DSL communication method comprises the step of monitoring a signal-to-noise ratio of an accepted DSL, the step of judging whether or not the signal-to-noise ratio is within a predetermined range, and the step of interrupting the intercommunication once and thereafter reconnecting the user and the center, when the signal-to-noise ratio is judged not to be within the predetermined range for a duration longer than a reference time.
REFERENCES:
patent: 6292515 (2001-09-01), Kao et al.
patent: 6356585 (2002-03-01), Ko et al.
patent: 6542581 (2003-04-01), Suonsivu et al.
patent: 6628754 (2003-09-01), Murphy et al.
Furudate Naoki
Motoyama Hideyuki
Sakamoto Shin'ichi
Katten Muchin & Rosenman LLP
Taylor Barry
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