Telephonic communications – Subscriber line or transmission line interface
Reexamination Certificate
2006-06-27
2006-06-27
Harold, Jefferey P. (Department: 2614)
Telephonic communications
Subscriber line or transmission line interface
C379S402000, C379S413000
Reexamination Certificate
active
07068778
ABSTRACT:
An integrated line inductor and line feed resistor is disclosed. A first coil winding and a second coil winding having a select resistance are magnetically coupled to each other. The first coil winding and second coil winding are each operable to transform electric energy between a Subscriber Line Interface Circuit (SLIC) and a tip and ring (T/R) line.
REFERENCES:
patent: 4613841 (1986-09-01), Roberts
patent: 4912447 (1990-03-01), Paul
patent: 5559486 (1996-09-01), Ikenoue et al.
patent: 6842518 (2005-01-01), Chen et al.
Alcatel
Danamraj & Youst PC
Harold Jefferey P.
Sewell V. Lawrence
Slaton Bobby D.
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