Determination of an orientation parameter of an elongate object with a scan beam apparatus
US7113270B2 · kind B2 · utility
133Cited by
15References
17Claims
0Family size
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Key dates
| Filing date | Jun 18, 2004 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Apr 30, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/48
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An elongate object optically determines at least one of its orientation parameters relative to a plane surface. A probe radiation beam is directed from the object at various angles σ to various locations on the plane, where the angle σ is a periodic function of time. Two angularly-selective radiation detectors oriented at fixed angles τ1 and τ2 sense scattered portions of the beam from two locations at two corresponding times. The orientation parameter is computed from a time difference Δt=t2−t1 between the two times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.