Identification value of a rotatable element having a plurality of mirror facets
US9500859B2 · kind B2 · utility
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4References
14Claims
0Family size
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Key dates
| Filing date | Jan 26, 2015 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Jan 29, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F13/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method determines an identification value of a rotatable element having a plurality of mirror facets. The identification value is determined based on a facet scan duration obtained of the mirror facets or based on a prismatic error of the mirror facets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.