Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit
Reexamination Certificate
2006-03-28
2006-03-28
Nguyen, Duc (Department: 2643)
Telephonic communications
Subscriber line or transmission line interface
Hybrid circuit
C379S093130, C379S093060, C379S399010
Reexamination Certificate
active
07020276
ABSTRACT:
POTS splitter design which incorporates a low-pass filter which improves the voice-band return loss characteristics without sacrificing performance with regard to the voice-band insertion loss or the ADSL-band attenuation distortion. This is accomplished by replacing the inductor of the conventional POTS splitter low-pass circuit with a parallel-connected inductor and resistor.
REFERENCES:
patent: 5848150 (1998-12-01), Bingel
patent: 6137880 (2000-10-01), Bella
patent: 6567519 (2003-05-01), Ham
Staber Harley J.
Tian Wei
Corning Cable Systems LLC
Nguyen Duc
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