Termination device for a telephone line

Details Termination device for a telephone line Termination device for a telephone line

2000-05-22

2009-06-16

Gauthier, Gerald (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

C330S126000, C370S235000, C370S480000, C370S524000, C375S296000, C379S378000, C379S398000, C379S413020, C380S270000

Reexamination Certificate

active

07548616

ABSTRACT:
A termination device for a telephone line of a wire based telephone system, said termination device (30) comprising: a high pass filter (39) for separating signals within a frequency band used by a high-speed modem (13) for data transmission; and impedance means (53) connected to the high-pass filter (39), wherein said impedance means (53) has an impedance which matches the impedance of the telephone line in the frequency band used by the high-speed modem (13).

REFERENCES:
patent: 4018126 (1977-04-01), Walmann
patent: 4442540 (1984-04-01), Allen
patent: 4726064 (1988-02-01), Kishi et al.
patent: 5377230 (1994-12-01), Golden
patent: 5627501 (1997-05-01), Biran et al.
patent: 5987069 (1999-11-01), Furukawa et al.
patent: 6035029 (2000-03-01), Little et al.
patent: 6072363 (2000-06-01), Steigenberger et al.
patent: 6275542 (2001-08-01), Katayama et al.
patent: 6359906 (2002-03-01), Dyke et al.
patent: 6477249 (2002-11-01), Williamson et al.
patent: 6567519 (2003-05-01), Ham
patent: 6731750 (2004-05-01), Bareis
patent: 6751315 (2004-06-01), Liu et al.
patent: 6804267 (2004-10-01), Long et al.
patent: 6873652 (2005-03-01), Palm
patent: 7027398 (2006-04-01), Fang
patent: 7106854 (2006-09-01), Gough et al.
patent: 2001-508254 (2001-06-01), None
patent: 98/54901 (1998-12-01), None
patent: 99/50970 (1999-10-01), None
patent: 99/66683 (1999-12-01), None
Cook et al., “ADSL and VADSL Splitter Design and Telephony Performance”, IEEE Journal on Selected Areas in Communications, vol. 13, No. 9, published Dec. 1, 1995, XP000543160, ISSN: 0733-8716.
Dixit, “Data Rides High on High-Speed Remote Access”, IEEE Communications Magazine, vol. 37, No. 1, Jan. 1999, XP000802114, ISSN 0163-6804.
Kafka, “Goldene Zeiten Fur Das Kupferkabel”, Nachrichtentechnik Elektronik, DE, Veb Verlag Technik, Berlin, vol. 48, No. 2, Mar. 1, 1998, XP000752844, ISSN 0323-4657.

Affiliated with

Also associated with

Rating

Termination device for a telephone line does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Termination device for a telephone line, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Termination device for a telephone line will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4134511