Signal oversampling for improved S:N in reflector movement system
US7436234B1 · kind B1 · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1994 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Feb 25, 2014 |
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.