Large size image display apparatus
US4635052A · kind A · utility
152Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1983 |
| Grant date | Jan 6, 1987 |
| Priority date | — |
| Expiry date | Jul 25, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N3/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A large number of luminous display elements are arrayed on a board, and the quantity of light emitted by each display element is controlled in accordance with a video signal generated by a video signal generator. Each display element is constituted by a discharge lamp and a high frequency generator lighting the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.