JPH045783U - - Google Patents

Info

Publication number
JPH045783U
JPH045783U JP4611790U JP4611790U JPH045783U JP H045783 U JPH045783 U JP H045783U JP 4611790 U JP4611790 U JP 4611790U JP 4611790 U JP4611790 U JP 4611790U JP H045783 U JPH045783 U JP H045783U
Authority
JP
Japan
Prior art keywords
convergence
core body
magnetic field
protrusions
auxiliary protrusion
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
JP4611790U
Other languages
Japanese (ja)
Other versions
JP2522361Y2 (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 JP1990046117U priority Critical patent/JP2522361Y2/en
Publication of JPH045783U publication Critical patent/JPH045783U/ja
Application granted granted Critical
Publication of JP2522361Y2 publication Critical patent/JP2522361Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図は本考案に係るコンバーゼンス装置の一
実施例を示す概略正面図、第２図は本考案の他の
実施例を示す概略正面図、第３図はコンバーゼン
ス装置および偏向コイルを陰極線管に装着した状
態を示す縦断面図、第４図は従来のコンバーゼン
ス装置を示す概略正面図である。 １……陰極線管、３……偏向コイル（水平偏向
コイル）、５……偏向コイル（垂直偏向コイル）
、７……コンバーゼンス装置、１３……コア本体
、１５ａ，１５ｂ，１７ａ，１７ｂ……コンバー
ゼンス用突起（突起）、１９ａ，１９ｂ，２１ａ
，２１ｂ……コンバーゼンス磁界発生用コイル、
２３ａ〜２３ｄ……補助突起、２５ａ，２５ｂ，
２７ａ，２７ｂ，２９ａ，２９ｂ，３１ａ，３１
ｂ……補助突起。 Fig. 1 is a schematic front view showing one embodiment of a convergence device according to the present invention, Fig. 2 is a schematic front view showing another embodiment of the present invention, and Fig. 3 is a convergence device and a deflection coil installed in a cathode ray tube. FIG. 4 is a longitudinal cross-sectional view showing the installed state, and FIG. 4 is a schematic front view showing the conventional convergence device. 1... Cathode ray tube, 3... Deflection coil (horizontal deflection coil), 5... Deflection coil (vertical deflection coil)
, 7... Convergence device, 13... Core body, 15a, 15b, 17a, 17b... Convergence protrusion (protrusion), 19a, 19b, 21a
, 21b... Coil for generating convergence magnetic field,
23a to 23d...auxiliary projections, 25a, 25b,
27a, 27b, 29a, 29b, 31a, 31
b...Auxiliary projection.

Claims (1)

【実用新案登録請求の範囲】 一電子銃型陰極線管に装着されるコア本体と、 このコア本体の直交する対角位置から突設され
、コンバーゼンス磁界発生用コイルの巻かれる２
対のコンバーゼンス用突起と、 隣合う前記コンバーゼンス用突起間の各々にお
いて１個以上前記コア本体から突設された補助突
起であつて、前記陰極線管内電子ビームに対し外
来磁界によつて前記コア本体に誘起される磁界の
影響を抑える補助突起と、 を具備してなることを特徴とするコンバーゼンス
装置。[Claims for Utility Model Registration] A core body installed in an electron gun type cathode ray tube, and a core body protruding from a diagonal position orthogonal to the core body, around which a convergence magnetic field generating coil is wound.
a pair of convergence protrusions, and at least one auxiliary protrusion protruding from the core body between each of the adjacent convergence protrusions; A convergence device characterized by comprising: an auxiliary protrusion that suppresses the influence of an induced magnetic field;
JP1990046117U 1990-04-27 1990-04-27 Convergence device Expired - Lifetime JP2522361Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990046117U JP2522361Y2 (en) 1990-04-27 1990-04-27 Convergence device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990046117U JP2522361Y2 (en) 1990-04-27 1990-04-27 Convergence device

Publications (2)

Publication Number Publication Date
JPH045783U true JPH045783U (en) 1992-01-20
JP2522361Y2 JP2522361Y2 (en) 1997-01-16

Family

ID=31560912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990046117U Expired - Lifetime JP2522361Y2 (en) 1990-04-27 1990-04-27 Convergence device

Country Status (1)

Country Link
JP (1) JP2522361Y2 (en)

Citations (1)

* 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

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
JP2522361Y2 (en) 1997-01-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term