Patent · US Expired

Optical signal varying devices, systems and methods

US6839522B2 · kind B2 · utility

6Cited by
50References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 2001
Grant dateJan 4, 2005
Priority date
Expiry dateJan 24, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B2210/003
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Optical systems, device, and methods including signal varying devices, such as optical amplifiers, attenuators, and filters that have controllable gain, loss and transparent intensity profiles, and which can include and be responsive to one or more local and remote controllers.

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