Piecewise linearized focus voltage circuit for television apparatus
US5341071A · kind A · utility
10Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Sep 3, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K4/94
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A temperature compensated vertical rate trapezoidal waveform is produced using piecewise linearization technique. The waveform is applied to a focus electrode of a cathode ray tube to provide a dynamic focus voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.