Global Patent Index - EP 1490990 A1

EP 1490990 A1 20041229 - DEPOLARISED OPTICAL SIGNAL TRANSMITTER

Title (en)

DEPOLARISED OPTICAL SIGNAL TRANSMITTER

Title (de)

SENDER FÜR DEPOLARISIERTE OPTISCHE SIGNALE

Title (fr)

EMETTEUR DE SIGNAUX OPTIQUES DEPOLARISE

Publication

EP 1490990 A1 20041229 (EN)

Application

EP 03723777 A 20030319

Priority

  • US 0308488 W 20030319
  • US 10468202 A 20020322

Abstract (en)

[origin: WO03084101A1] A depolarized return-to-zero (DRZ) transmitter provides a DRZ output signal with improved immunity to polarization dependent gains and losses associated with optical fiber transmission systems.

IPC 1-7

H04B 10/18; H04B 10/155

IPC 8 full level

H04B 10/2507 (2013.01); H04B 10/50 (2013.01); H04B 10/516 (2013.01)

CPC (source: EP)

H04B 10/2572 (2013.01); H04B 10/505 (2013.01); H04B 10/5051 (2013.01); H04B 10/5053 (2013.01); H04B 10/5162 (2013.01)

Citation (search report)

See references of WO 03084101A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 03084101 A1 20031009; AU 2003230687 A1 20031013; CA 2447927 A1 20031009; EP 1490990 A1 20041229

DOCDB simple family (application)

US 0308488 W 20030319; AU 2003230687 A 20030319; CA 2447927 A 20030319; EP 03723777 A 20030319