Optical access network
US12407416B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2021 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Sep 11, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0041
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An object of the present invention is to provide an optical access network that has high reliability for supporting information communication services and efficiently responds to difficult-to-predict optical fiber demand.An optical access network configuration according to the present invention includes an optical fiber cable 11 that is looped to connect a wiring section 25 and an exchange office 10 together (hereinafter, an upper loop), an optical fiber cable 21 that is looped and laid in each wiring section 25 (hereinafter, a lower loop), and an optical fiber switching function unit 31 installed at a connection point 30 between the upper loop 11 and the lower loop 21. The optical fiber switching function unit 31 is a wiring board or an optical switch which can be switched by connector connection. The wiring board or the optical switch may be remotely controllable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.