Apparatus and method to evaluate an illuminated panel
US7167197B2 · kind B2 · utility
15Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2002 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | May 3, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N17/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus to evaluate an illuminated panel comprises a camera to acquire a real-time digital color image of the illuminated panel and a stored digital color image of a standard illuminated panel. A monitor is provided to alternately display the real-time image and the stored image to detect any differences in the illuminated panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.