JPS58164363U

JPS58164363U - Vertical deflection circuit for projection television equipment

Info

Publication number: JPS58164363U
Application number: JP5848382U
Authority: JP
Inventors: 宣隆奥山; 清水　敏治; 芳一内藤
Original assignee: 株式会社日立製作所
Priority date: 1982-04-23
Filing date: 1982-04-23
Publication date: 1983-11-01

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は投写型テレビジョン装置の光学系を示す模式図
、第２図は偏向回路とコンバーゼンス回路のブロック図
、第３図は従来の垂直偏向回路の概略図、第４図は垂直
リニアリティの変化を示すパターン図、第５図は本考案
による第１の実施例の垂直偏向回路の概略図、第６図は
本考案による　　　　−他の実施例の垂直偏向回路の概
略図である。５Ｒ，５Ｇ、　　５Ｂ・・・垂直偏向コイル、１３Ｒ９
１３Ｇ、１３Ｂ・・・垂直サイス調整可変抵抗、１６Ｇ
、１６Ｂ・・・コイル、１７Ｇ、１７Ｂ・・・ダンピン
グ抵抗。オ　　　３　　　図才　　　十　　図ｔｓａ。Figure 1 is a schematic diagram showing the optical system of a projection television device, Figure 2 is a block diagram of a deflection circuit and convergence circuit, Figure 3 is a schematic diagram of a conventional vertical deflection circuit, and Figure 4 is a diagram of vertical linearity. FIG. 5 is a schematic diagram of a vertical deflection circuit according to a first embodiment of the present invention, and FIG. 6 is a schematic diagram of a vertical deflection circuit according to another embodiment of the present invention. 5R, 5G, 5B...Vertical deflection coil, 13R9
13G, 13B...Vertical size adjustment variable resistor, 16G
, 16B...Coil, 17G, 17B...Damping resistance. O 3 Figures 10 Figures TSA.

Claims

[Scope of utility model registration request]

In the vertical deflection circuit of a projection television device in which multiple reproduced images on the fluorescent surface of a projection tube that generate different colors are projected onto a screen using multiple lenses, each vertical deflection coil attached to each projection tube is connect in parallel,
A charging capacitor and a fixed resistor are arranged in series with all or each of the vertical deflection coils, both ends of which are connected between the vertical deflection output terminal and ground, and a variable resistor and the coil are connected in series with at least one of the vertical deflection coils. A vertical deflection circuit for a projection television device, characterized in that the vertical deflection circuit is connected to a projection television device.