Transmission apparatus and transmission system
US12231227B2 · kind B2 · utility
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14Claims
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Assignee
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Key dates
| Filing date | Feb 17, 2023 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Aug 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/02218
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmission apparatus includes a signal power detector configured to detect signal power of a wavelength-multiplexed optical signal to be transmitted to a transmission line, a variable optical attenuator configured to attenuate the wavelength-multiplexed optical signal, and a processor configured to control an attenuation amount of the variable optical attenuator according to the signal power and whether a Raman amplifier in which pumping light is inputted to the transmission line exists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.