Digital geometry correction and deflection control system for multi-scan monitors

Author

Yamazaki, Nobuo ; Shibuya, Ken-ichi ; Nagamine, Takatomo ; Sakurai, Hisao ; Takegoshi, Hirotaka

Author_Institution

Eng. & Dev. Dept., Sony Corp., Japan

Volume

41

Issue

3

fYear

1995

fDate

8/1/1995 12:00:00 AM

Firstpage

540

Lastpage

549

Abstract

A new geometric correction and deflection control system for a multi-scan monitor is described. By introducing a concept of imaginary position coordinate and using a DSP technology, the vertical geometric correction waveform is always the same for a picture even if the vertical frequency, the vertical size and the vertical position is varied. Furthermore, the deflection circuits fully digitally controlled via a bus. This system easily realizes a microcomputer controlled multi-scan monitor system

Keywords

cathode-ray tube displays; computer displays; computerised control; digital signal processing chips; display devices; image processing; optical noise; DSP technology; bus; deflection circuits; deflection control system; digital geometry correction; imaginary position coordinate; microcomputer controlled multi-scan monitor system; vertical frequency; vertical geometric correction waveform; vertical position; vertical size; Cathode ray tubes; Circuits; Computer displays; Control systems; Digital signal processing; Distortion; Frequency; Geometry; Linearity; TV;

fLanguage

English

Journal_Title

Consumer Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0098-3063

Type

jour

DOI

10.1109/30.468032

Filename

468032