Method and device for illuminating the face plate of a color television tube for formation of the screen
US4707093A · kind A · utility
29Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | May 29, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/2272
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Device for illuminating photosensitive light hardenable material for the manufacture of a perforated mask type color cathode ray tube, wherein this device comprises a laser, a light modulator and a deflector to deflect the modulated pencil of light, the light modulator and the deflector being controlled by a computer so that the luminous intensity received by each point of the screen is substantially constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.