JPS6383886U

JPS6383886U -

Info

Publication number: JPS6383886U
Application number: JP17847386U
Authority: JP
Priority date: 1986-11-19
Filing date: 1986-11-19
Publication date: 1988-06-01

Description

[Brief explanation of the drawing]

第１図および第２図は夫々この考案によるコン
バーゼンス補正波形発生回路の構成図およびタイ
ミング図、第３図〜第５図は夫々Ｓ字ミスコンバ
ーゼンスのパターン図、その水平周期の補正波形
図および垂直周期の補正波形図、第６図および第
７図は夫々従来のコンバーゼンス補正波形発生回
路の構成図およびタイミング図、第８図〜第１０
図は夫々中間部クロスのミスコンバーゼンスのパ
ターン図、その水平周期の補正波形図、垂直周期
の補正波形図である。１，４……のこぎり波発生回路、２，３，５…
…アナログ乗算回路。尚、図中同一符号は同一ま
たは相当部分を示す。 Figures 1 and 2 are a block diagram and timing diagram of the convergence correction waveform generation circuit according to this invention, respectively, and Figures 3 to 5 are pattern diagrams of S-shaped misconvergence, its horizontal period correction waveform diagram, and vertical The cycle correction waveform diagrams, FIGS. 6 and 7, are the configuration diagram and timing diagram of a conventional convergence correction waveform generation circuit, and FIGS. 8 to 10, respectively.
The figures are a pattern diagram of the misconvergence of the intermediate cross, a corrected waveform diagram of its horizontal period, and a corrected waveform diagram of its vertical period. 1, 4...Sawtooth wave generation circuit, 2, 3, 5...
...Analog multiplication circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In a circuit that receives a horizontal retrace pulse and a vertical retrace pulse and generates a convergence correction waveform, there is a sawtooth wave generation circuit that receives a horizontal retrace pulse and generates a corresponding sawtooth wave; 1. A convergence correction waveform generation circuit comprising an analog calculation means for calculating the cube of an output to obtain a convergence correction waveform in the form of a cubic function curve.