JPS5864057U

JPS5864057U - Deflection coil assembly accuracy judgment device

Info

Publication number: JPS5864057U
Application number: JP15904081U
Authority: JP
Inventors: 正昭吉田
Original assignee: 株式会社東芝
Priority date: 1981-10-27
Filing date: 1981-10-27
Publication date: 1983-04-30

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 drawings]

第１図は従来の偏向ヨークの組立てを説明する斜視図、
第２図は本考案の偏向コイル組立精度判定装置め回路構
成図、第３図は偏向コイル間の上下及び左右位置と計測
値Ｅとの関係を示す特性図である。１・・・偏向ヨーク、３．４・・・磁気コア、５・・・
第１の偏向コイル、６・・・第２の偏向コイル、８，９
・・・嵌合面、１０・・・信号発生回路、１１・・・検
出回路、１２・・・計測回路、Ｅ・・・計測値（出力電
圧）、ＡＡ・・・上下方向、ＢＢ・・・左右方向。FIG. 1 is a perspective view illustrating the assembly of a conventional deflection yoke;
FIG. 2 is a circuit configuration diagram of the deflection coil assembly accuracy determination device of the present invention, and FIG. 3 is a characteristic diagram showing the relationship between the vertical and horizontal positions between the deflection coils and the measured value E. 1... Deflection yoke, 3.4... Magnetic core, 5...
First deflection coil, 6... Second deflection coil, 8, 9
...Mating surface, 10...Signal generation circuit, 11...Detection circuit, 12...Measuring circuit, E...Measurement value (output voltage), AA...Vertical direction, BB...・Left and right directions.

Claims

[Scope of utility model registration request]

In a cathode ray tube deflection yoke in which a plurality of deflection coils are arranged close to each other, a signal generation circuit is attached to a first deflection coil, and a signal generation circuit is attached to a second deflection coil.
a detection circuit that detects a signal induced in the deflection coil;
A deflection coil assembly accuracy determination device comprising: a measurement circuit that determines assembly accuracy between the first and second deflection coils based on a signal from the detection circuit.