Optical rotating data transmission device with an unobstructed diameter
US7376298B2 · kind B2 · utility
3Cited by
9References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Mar 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/3604
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device for transmitting modulated optical signals between a first unit and a second unit, in which the first unit is supported to be rotatable relative to the second unit, comprises a light guide along a circular track on the first unit, a first light coupler for coupling light into or out of the light guide, and a second light coupler disposed on the second unit and movable relative to the light guide, for coupling light into or out of the light guide. A coupling of light into the light guide is effected by means of a beam splitters and a light deflecting means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.