Method and apparatus for controlling time delay in optical slip rings
US6246810A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Jun 16, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3604
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical slip ring system provides for the transfer of information between a rotating frame and a stationary frame. The optical slip ring system includes a modulated light source, an optical fiber ring for receiving modulated light from the modulated light source and a signal conditioner. The modulated light source is attached to either the rotating frame or the stationary frame. The optical fiber ring is attached to the opposite frame. The optical fiber ring includes a first optical fiber and a second optical fiber. The first and second optical fibers each include a first and second end. The first end of the first optical fiber is coupled to a first terminator and the second end of the first optical fiber is coupled to a detector. The first end of the second optical fiber is coupled to a second terminator and the second end of the second optical fiber is coupled to the detector. The signal conditioner is coupled to the detector and restores data edges of the transferred information using an external clock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.