Optical add/drop multiplexer
US7792428B2 · kind B2 · utility
6Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2005 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Apr 27, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0083
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A core unit arranged in a transmission path includes a through path for causing an input signal to an input port to pass through to an output port, a drop-side port 25a that drops the input signal having a predetermined wavelength, and an add-side port 25b that adds channel having a predetermined wavelength to the input light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.