Horizontal deflection circuit
US6124686A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1998 |
| Grant date | Sep 26, 2000 |
| Priority date | — |
| Expiry date | Aug 14, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N3/233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A horizontal deflection circuit is provided in which a large retrace pulse voltage applied to a horizontal deflection yoke can be taken to reduce the deflection current and which is capable of easily performing horizontal image size adjustment and distortion adjustment. A parallel connection of a switching element, a damper diode, and a resonance capacitor is connected in series to a parallel connection of another switching element, another damper diode, and another resonance capacitor, and power is supplied from the connection point via a fly-back transformer. The comparison value of the retrace pulse voltages applied across both ends of the switching elements is fed back through a switching element control circuit to the switching element so that the deflection current of the horizontal deflection yoke is controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.