JPS5931762U

JPS5931762U - deflection yoke

Info

Publication number: JPS5931762U
Application number: JP12748182U
Authority: JP
Inventors: 昌之阿部
Original assignee: 株式会社日立製作所
Priority date: 1982-08-25
Filing date: 1982-08-25
Publication date: 1984-02-28

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図は従来のブラウン管の側面の断面図、第２図は本
考案の一実施例を示す偏向ヨークの側面図、第３図は同
じく偏向ヨークをブラウン管に取り付けた時の側面図、
第４図は第３図における色むら調整後のフリービームの
軌溝を示す説明図である。１・・・ブラウン管ファンネル部、２・・・ブラウン管
々軸、３・・・フリービームの軌溝、４・・・色むら調
整後のフリービームの軌溝、５・・・偏向ヨーク、６・
・・露光中心、６′・・・偏向ヨークの偏向中心、７・
・・色むら補正用マグネット位置、８・・・偏向ヨーク
開口部端、９・・・偏向ヨークネック部端、１０・・・
偏向コイル（水平偏向コイル）、１１・・・絶縁枠、１
２・・・ブラウン管パネル部、１３・・・シャドウマス
ク、１４・・・電子銃、Ｓ・・・偏向ヨーク中間部を示
す、Ｌ・・・ブラウン管パネル面から露光中心までの距
離、θ、α・・・軸ズレ回転成分、δ、Δ・・・軸ズレ
平行移動成分。Fig. 1 is a side cross-sectional view of a conventional cathode ray tube, Fig. 2 is a side view of a deflection yoke showing an embodiment of the present invention, and Fig. 3 is a side view of the deflection yoke attached to the cathode ray tube.
FIG. 4 is an explanatory diagram showing the track groove of the free beam after color unevenness adjustment in FIG. 3. DESCRIPTION OF SYMBOLS 1... CRT funnel part, 2... CRT axis, 3... Free beam track groove, 4... Free beam track groove after color unevenness adjustment, 5... Deflection yoke, 6...
... Exposure center, 6'... Deflection center of deflection yoke, 7.
... Magnet position for color unevenness correction, 8... Deflection yoke opening end, 9... Deflection yoke neck end, 10...
Deflection coil (horizontal deflection coil), 11... Insulation frame, 1
2... Cathode ray tube panel part, 13... Shadow mask, 14... Electron gun, S... Indicates the middle part of the deflection yoke, L... Distance from the cathode ray tube panel surface to the exposure center, θ, α ...Axis misalignment rotational component, δ, Δ...Axis misalignment translation component.

Claims

[Scope of utility model registration request]

In a deflection yoke used for a cathode ray tube with a shadow mask for a color television receiver, in order to adjust color shift, the inner diameter of at least one part of the deflection yoke between the cathode ray tube screen side and the electron gun side is adjusted in the axial direction of the cathode ray tube. A deflection yoke characterized by having an inner diameter smaller than the inner diameter at all other positions.