Global Patent Index - EP 1050131 A1

EP 1050131 A1 2000-11-08 - SHORT DISTANCE DENSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION SYSTEM

Title (en)

SHORT DISTANCE DENSE WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION SYSTEM

Title (de)

OPTISCHES NACHRICHTENÜBERTRAGUNGSSYSTEM IM DICHTEN WELLENLÄNGENMULTIPLEX ÜBER KURZE ENTFERNUNGEN

Title (fr)

SYSTEME DE COMMUNICATION OPTIQUE PAR MULTIPLEXAGE EN LONGUEUR D'ONDE RENFORCEE A COURTE DISTANCE

Publication

EP 1050131 A1 (EN)

Application

EP 99902110 A

Priority

  • US 9900367 W
  • US 494898 A

Abstract (en)

[origin: WO9935775A1] The present invention provides an expandable and cost-effective high capacity optical communication system using wavelength-division-multiplexing. Low-loss modular multiplexers and demultiplexers are used to increase the flexibility of the system and reduce overall system insertion loss.

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

H04J 14/02

IPC 8 full level (invention and additional information)

H04B 10/50 (2013.01); H04B 10/572 (2013.01); H04J 14/02 (2006.01)

CPC (invention and additional information)

H04J 14/02 (2013.01); H04B 10/506 (2013.01); H04B 10/572 (2013.01)

Citation (search report)

See references of WO 9935775A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9935775 A1 19990715; AU 2216499 A 19990726; EP 1050131 A1 20001108; TW 425789 B 20010311

INPADOC legal status


2006-02-08 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20050802

2002-11-06 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000823

2000-11-08 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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