Signal oversampling for improved S:N in reflector movement system
US7982513B2 · kind B2 · utility
0Cited by
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9Claims
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Key dates
| Filing date | Mar 15, 2010 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Mar 15, 2030 |
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.