Apodization filter
US4030817A · kind A · utility
18Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1976 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Mar 22, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/58
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Improved apodization filter serving as the field stop of a scanning radiometer and attenuating unwanted light modulation signals when scanning edges of any field of view resulting in more accurate radiometric measurements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.