Global Patent Index - EP 0630542 A4

EP 0630542 A4 2000-03-29 - HYBRID FIBER IN THE LOOP TELEPHONY SYSTEM

Title (en)

HYBRID FIBER IN THE LOOP TELEPHONY SYSTEM

Title (de)

HYBRIDFASER IM FERNSPRECHTEILNEHMERLEITUNGSSYSTEM

Title (fr)

FIBRE HYBRIDE POUR SYSTEME TELEPHONIQUE BOUCLE

Publication

EP 0630542 A4 (EN)

Application

EP 93906101 A

Priority

  • US 9301508 W
  • US 84434292 A

Abstract (en)

[origin: WO9318605A1] A hybrid fiber in the loop telephony system. The system provides for highly reliable telephone service, even during electric utility company power failures. The system generally includes an ONU (4) for conversion of optical signals to electrical, digital signals. The electrical, digital signals are transmitted to a subscriber location (12). The subscriber location utilizes an NID (20) having a ring generator (306) and analog-to-digital conversion equipment (304). Mechanical features of the system are also disclosed.

IPC 1-7 (main, further and additional classification)

H04M 11/00; H04M 1/00

IPC 8 full level (invention and additional information)

H04M 3/02 (2006.01); H04M 1/00 (2006.01); H04M 11/00 (2006.01); H04M 19/00 (2006.01); H04M 19/04 (2006.01); H04Q 3/42 (2006.01); H04Q 3/58 (2006.01); H04Q 11/00 (2006.01)

CPC (invention and additional information)

H04M 19/001 (2013.01); H04M 1/003 (2013.01); H04M 11/00 (2013.01); H04M 19/04 (2013.01); H04Q 11/0001 (2013.01); H04Q 11/0067 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9318605A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE

EPO simple patent family

WO 9318605 A1 19930916; BR 9306009 A 19971021; CA 2117555 A1 19930916; CN 1078080 A 19931103; CZ 9402060 A3 19950517; EP 0630542 A1 19941228; EP 0630542 A4 20000329; HU 9402522 D0 19941128; HU T68219 A 19950628; JP H07505029 A 19950601; MX 9301165 A 19940729; SK 104594 A3 19951108

INPADOC legal status


2000-12-06 [18W] WITHDRAWN

- Date of withdrawal: 20001011

2000-04-05 [RA4] DATE AND KIND OF SUPPLEMENTARY SEARCH REPORT (CORRECTION)

- Effective date: 20000211

2000-03-29 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000211

2000-03-29 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE

1994-12-28 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19940903

1994-12-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE