Phase shift measuring device and phase shift measuring method
US12320708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2023 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Jan 2, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2210/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a phase shift measuring device, which includes a dual mode laser including a first beat light source generating a first beating signal and a second beat light source generating a second beating signal, and that outputs a dual mode signal including the first beating signal and the second beating signal, a first splitter that receives the dual mode signal to generate a first branch signal and a second branch signal, the first branch signal and the second branch signal being including the branched first beating signal and the branched second beating signal, respectively, a phase control unit that receives the first branch signal and to generate a combined signal, a transmitting end that receives the combined signal from the phase control unit and generates a transmission signal based on the combined signal, and a receiving end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.