Optical transmission system including repeatered and unrepeatered segments
US7574140B2 · kind B2 · utility
7Cited by
14References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2004 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Apr 17, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2937
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication system including a repeatered trunk path and one or more unrepeatered branch segments coupled to the trunk path through associated submarine branching units. Each of the branch segments may be configured to carry at least the same channel capacity as the trunk path and may have a length greater than the average repeater spacing in the trunk path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.