JPH0163057U

JPH0163057U -

Info

Publication number: JPH0163057U
Application number: JP1987159009U
Authority: JP
Priority date: 1987-10-17
Filing date: 1987-10-17
Publication date: 1989-04-24

Description

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

第１図ないし第５図は本考案の第１の実施例を
示し、第１図は本実施例による偏向ヨーク装置の
側面図、第２図は第１図中の―線方向横断面
図、第３図はキヤンセルコイルの巻線状態を示す
要部側面図、第４図は垂直偏向コイルとキヤンセ
ルコイルの接続状態を示す回路図、第５図は垂直
偏向コイルとキヤンセルコイルによつて発生する
磁界の状態を画面側から見た説明図、第６図は本
考案の第２の実施例による偏向ヨーク装置を示す
第１図と同様の側面図、第７図は本考案の第３の
実施例による偏向ヨーク装置を示す第２図と同様
の横断面図、第８図は本考案の第４の実施例にし
て、本実施例による垂直偏向コイルとキヤンセル
コイルの接続状態を示す回路図である。１…コア、２，３…水平偏向コイル、４，５…
垂直偏向コイル、６…コイルボビン、７，８，７
′，８′…キヤンセルコイル。 1 to 5 show a first embodiment of the present invention, FIG. 1 is a side view of the deflection yoke device according to this embodiment, FIG. 2 is a cross-sectional view in the - line direction in FIG. 1, Fig. 3 is a side view of the main part showing the winding state of the cancel coil, Fig. 4 is a circuit diagram showing the connection state of the vertical deflection coil and the cancel coil, and Fig. 5 is a diagram showing the state of the connection between the vertical deflection coil and the cancel coil. An explanatory diagram of the state of the magnetic field as seen from the screen side, FIG. 6 is a side view similar to FIG. 1 showing the deflection yoke device according to the second embodiment of the present invention, and FIG. 7 is a diagram showing the third embodiment of the present invention. FIG. 8 is a cross-sectional view similar to FIG. 2 showing a deflection yoke device according to an example, and FIG. be. 1... Core, 2, 3... Horizontal deflection coil, 4, 5...
Vertical deflection coil, 6...Coil bobbin, 7, 8, 7
', 8'...Cancel coil.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

コアと、該コアに沿つて設けられ、Ｙ軸に対し
て左、右対称な水平偏向磁界を発生する一対のく
ら型水平偏向コイルと、前記コアに沿つて設けら
れ、Ｘ軸に対して上、下対称な垂直偏向磁界を発
生する一対のくら型またはトロイダル型垂直偏向
コイルとからなる偏向ヨーク装置において、前記
垂直偏向コイルに対して直列に接続される一対の
キヤンセルコイルを有し、該キヤンセルコイルは
前記コアの外側でＸ軸上またはその近傍に位置し
て、当該Ｘ軸に対して直交状態でループ状に巻回
することにより左、右対称に配設され、かつ前記
キヤンセルコイルには前記垂直偏向コイルによつ
て発生する垂直偏向磁界のうち前記コアの外部に
漏れる磁界の向きと逆の磁界を発生させる構成と
したことを特徴とする偏向ヨーク装置。 a core, a pair of saddle-shaped horizontal deflection coils that are provided along the core and generate horizontal deflection magnetic fields that are left and right symmetrical with respect to the Y axis; , a deflection yoke device comprising a pair of saddle-shaped or toroidal-type vertical deflection coils that generate a downwardly symmetrical vertical deflection magnetic field, comprising a pair of cancel coils connected in series to the vertical deflection coils, the canceller The coil is located outside the core on or near the X-axis, and is arranged symmetrically on the left and right by winding it in a loop orthogonal to the X-axis, and the cancel coil has a A deflection yoke device characterized in that the deflection yoke device is configured to generate a magnetic field in a direction opposite to a direction of a magnetic field leaking to the outside of the core among the vertical deflection magnetic fields generated by the vertical deflection coil.