Signal oversampling for improved S:N in reflector movement system
US7679413B2 · kind B2 · utility
1Cited by
6References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 9, 2008 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Oct 9, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K5/26
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Eight or more transition points are generated during a given period, and are used in tracking movement of an interferometer reflector. Duty cycles of generated square waves are used to establish precise intervals between the transition points, and precise wave-phase relationships.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.