Patent · US Expired

Optical routing/switching systems

US6570684B1 · kind B1 · utility

9Cited by
26References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1999
Grant dateMay 27, 2003
Priority date
Expiry dateNov 8, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04Q2011/0049
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An optical routing system and/or switching system having high efficiency switched gratings to the system. This system also includes a unique passive noise suppression device that can be used in multiple channel optical systems to increase channel isolation and reduce crosstalk.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.