Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate
2005-08-02
2005-08-02
Ho, Duc (Department: 2665)
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
C370S491000, C370S496000, C375S219000, C375S222000, C379S093010, C379S395010, C379S413000
Reexamination Certificate
active
06925157
ABSTRACT:
In a method and apparatus for data transmission and voice signal transmission on a subscriber line, in terminal devices located at least on a network side of the subscriber line, only those parts which evaluate a criterion indicating the beginning of the data transmission are switched into active mode outside the context of data transmission.
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Ahrndt Thomas
Gerwens Anke
Kloppe Karl
Neumayer Johann
Baghdadi Aslan
Ho Duc
Shaw Pittman LLP
Siemens Aktiengesellschaft
Volper Thomas E.
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