Acousto-optic analyzer with dynamic signal compression
US4722596A · kind A · utility
8Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1986 |
| Grant date | Feb 2, 1988 |
| Priority date | — |
| Expiry date | May 13, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R23/17
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An acousto-optic spectrum analyzer in which the dynamic range is effectively extended by detecting the frequency bands wherein the photo-detectors are saturated and providing a filter to suppress those frequencies. With this pre-filter, the entire spectrum appears to be within the dynamic range of the photo detectors. The actual spectrum can be reconstructed using the response of the suppression filter and the photo detector output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.