Voltage switching circuit for a color display system
US4151444A · kind A · utility
7Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1977 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Dec 23, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/27
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A power supply for a color display device of the type in which the color of light emitted by a phosphor screen is changed by switching an electron accelerating voltage between different levels, the switching being digitally controlled and being connected so that descending voltage changes are recycled to efficiently drive the supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.