JPH02141189U - - Google Patents

Info

Publication number
JPH02141189U
JPH02141189U JP5105289U JP5105289U JPH02141189U JP H02141189 U JPH02141189 U JP H02141189U JP 5105289 U JP5105289 U JP 5105289U JP 5105289 U JP5105289 U JP 5105289U JP H02141189 U JPH02141189 U JP H02141189U
Authority
JP
Japan
Prior art keywords
electric wire
magnetic flux
inductance
deflection coil
display screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5105289U
Other languages
Japanese (ja)
Other versions
JPH0646142Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989051052U priority Critical patent/JPH0646142Y2/en
Publication of JPH02141189U publication Critical patent/JPH02141189U/ja
Application granted granted Critical
Publication of JPH0646142Y2 publication Critical patent/JPH0646142Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例の斜視図、第２図は
、本考案になる装置の電気等価回路、第３図は本
考案の一実施例のＣＲＴ後面図、第４図は本考案
の一実施例のＣＲＴ側面断面図である。 １……ＣＲＴ、２……偏向コイル、３ａ，３ｂ
……電線、４……電子ビーム、５……表示面、１
０……偏向回路、Ｌ１……可変インダクタンス。 Fig. 1 is a perspective view of an embodiment of the invention, Fig. 2 is an electrical equivalent circuit of the device of the invention, Fig. 3 is a rear view of a CRT of an embodiment of the invention, and Fig. 4 is the invention of the invention. FIG. 2 is a side cross-sectional view of a CRT according to an embodiment. 1...CRT, 2...Deflection coil, 3a, 3b
... Electric wire, 4 ... Electron beam, 5 ... Display surface, 1
0...deflection circuit, L1 ...variable inductance.

Claims (1)

【実用新案登録請求の範囲】 電子ビームを偏向コイルにより偏向して蛍光表
示面に当て、該蛍光表示面を発光させて表示を行
なう表示装置の漏れ磁束軽減装置において、 前記蛍光表示面の周囲に電線を配置し、前記偏
向コイルより漏れ出る磁束の向きとは逆向きの磁
束が前記電線の周囲に発生するように前記電線に
電流を供給し、更に、この電線とインダクタンス
を並列に接続し、このインダクタンスの値を変え
ることにより前記電線に流れる電流を調節可能と
したことを特徴とする漏れ磁束軽減装置。[Claims for Utility Model Registration] In a leakage magnetic flux reducing device for a display device that performs display by deflecting an electron beam using a deflection coil and hitting the fluorescent display screen to cause the fluorescent display screen to emit light, arranging an electric wire, supplying a current to the electric wire so that a magnetic flux in a direction opposite to the direction of the magnetic flux leaking from the deflection coil is generated around the electric wire, and further connecting the electric wire and an inductance in parallel, A leakage flux reducing device characterized in that the current flowing through the electric wire can be adjusted by changing the value of the inductance.
JP1989051052U 1989-04-28 1989-04-28 Leakage magnetic flux reduction device Expired - Lifetime JPH0646142Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989051052U JPH0646142Y2 (en) 1989-04-28 1989-04-28 Leakage magnetic flux reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989051052U JPH0646142Y2 (en) 1989-04-28 1989-04-28 Leakage magnetic flux reduction device

Publications (2)

Publication Number Publication Date
JPH02141189U true JPH02141189U (en) 1990-11-27
JPH0646142Y2 JPH0646142Y2 (en) 1994-11-24

Family

ID=31570141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989051052U Expired - Lifetime JPH0646142Y2 (en) 1989-04-28 1989-04-28 Leakage magnetic flux reduction device

Country Status (1)

Country Link
JP (1) JPH0646142Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61230244A (en) * 1985-04-05 1986-10-14 Hitachi Ltd Convergence correction device
JPS63227186A (en) * 1987-02-24 1988-09-21 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Picture display

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61230244A (en) * 1985-04-05 1986-10-14 Hitachi Ltd Convergence correction device
JPS63227186A (en) * 1987-02-24 1988-09-21 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Picture display

Also Published As

Publication number Publication date
JPH0646142Y2 (en) 1994-11-24

Similar Documents

Publication Publication Date Title
JP3476540B2 (en) CRT display system with scanning beam velocity modulation
JPH02141189U (en)
JPS59215643A (en) television display system
JPS58173990A (en) Focusing device
JPS6074459U (en) Electron beam control device
JP3249506B2 (en) Transformer for flyback
JPS62100670U (en)
JPH0295987U (en)
JPH0320585U (en)
JPH07336710A (en) DC degaussing circuit
JPH0212148U (en)
JPH023645U (en)
JPH0346950U (en)
JPH0319041U (en)
JPS6419245U (en)
JPS5990165U (en) Deflection yoke device
JPS63153683U (en)
JPH0186049U (en)
JPH0358860U (en)
JPS6448858U (en)
JPS61106019U (en)
JPH0326041U (en)
JPS5848181U (en) Convergence device for color cathode ray tubes
JPH0348841U (en)
JPS6019139U (en) Convergence device