Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent
1998-01-23
2000-07-04
Chan, Wing F.
Telephonic communications
Subscriber line or transmission line interface
Network interface device
379399, H04M 100
Patent
active
060849606
ABSTRACT:
The present invention relates to a power supply circuit SC receiving a power supply current IS at an input voltage VLN and intended to supply a voltage VDD, comprising
REFERENCES:
patent: 5608795 (1997-03-01), Gay
patent: 5953409 (1999-09-01), Carlsen
Chan Wing F.
Slobod Jack D.
U.S. Philips Corporation
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