Standardized color calibration of electronic imagery
US5148288A · kind A · utility
119Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1990 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Aug 29, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6033
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system for electronically recording a standardized color image of an object. The system incorporates a linear variable bandpass filter and a linear variable neutral density filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.