Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication
US7092638B2 · kind B2 · utility
17Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/02216
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical multiplex communication system includes a transmission part and a receiving part, wherein the transmission part includes a transmission quality detecting part which measures and transmits a transmission quality information for the channels based on a request from the transmission part; the receiving part includes a variable optical attenuation part controls the optical signal level for the channels, an optical level setting part controls the variable optical attenuation part based on a setting value, a setting control part adding the setting value to the optical level setting part based on a request for setting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.