Reconfigurable device for insertion-extraction of wavelengths
US5771112A · kind A · utility
70Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1996 |
| Grant date | Jun 23, 1998 |
| Priority date | — |
| Expiry date | Jun 17, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0206
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
This device includes optical add-drop multiplexers (M1 to M2) each having a band-pass filter. An optical switch (C1) has outputs connected to the multiplexers. An optical coupling (C2) has inputs connected to the multiplexers. The device is useful in optical communications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.