Imaging system
US6539109B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1999 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Oct 26, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0226
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imaging system includes an imager outputting an analog green signal, an analog blue signal, and an analog red signal in a predetermined progressive-scanning format. The analog green, blue, and red signals are converted into parallel-form digital green, blue, and red signals, respectively. A set of the parallel-form digital green, blue, and red signals is converted into a set of a parallel-form digital luminance signal, a first parallel-form digital color-difference signal, and a second parallel-form digital color-difference signal. A signal divider separates the parallel-form digital luminance signal into a first sub parallel-form digital luminance signal and a second sub parallel-form digital luminance signal. The first and second sub parallel-form digital luminance signals are converted into a serial-form digital luminance signal. The first and second parallel-form digital color-difference signals are converted into a serial-form digital color-difference signal. A first electric-to-optical converter converts the serial-form digital luminance signal into a first optical signal having a first predetermined wavelength. A second electric-to-optical converter converts the serial-fo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.