JPH0334377U - - Google Patents
Info
- Publication number
- JPH0334377U JPH0334377U JP9518189U JP9518189U JPH0334377U JP H0334377 U JPH0334377 U JP H0334377U JP 9518189 U JP9518189 U JP 9518189U JP 9518189 U JP9518189 U JP 9518189U JP H0334377 U JPH0334377 U JP H0334377U
- Authority
- JP
- Japan
- Prior art keywords
- deflection
- control coils
- yoke
- coma
- cores
- 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
Links
- 206010010071 Coma Diseases 0.000 claims description 2
- 230000004075 alteration Effects 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 claims 1
- 208000001644 thecoma Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は、この考案の一実施例の構成と接続を
示す図、第２図は、その等価回路図、第３図は、
実施例の補正装置を取り付けた偏向ヨークの背面
図、第４図は、従来のコンバーゼンス補正装置の
構成と接続を示す図、第５図は、その等価回路図
、第６図は、補正装置を取り付けた偏向ヨークの
背面図、第７図は電子ビームスポツトの形状とそ
の補正原理の説明図である。
１……コマフリー補正コイルユニツト、２ａ，
２ｂ……Ｅ字形コア、３……垂直偏向コイル、４
……分流抵抗、５……偏向ヨーク、６……６極偏
向磁界、８……収差調整用磁性材料片、９……ガ
イド部、ｒ２，Ｒ２……抵抗、Ｖ１，Ｖ１′……
上制御コイル、Ｈ１，Ｈ２……中制御コイル、Ｖ
２，Ｖ２′……下制御コイル。
Figure 1 is a diagram showing the configuration and connections of an embodiment of this invention, Figure 2 is its equivalent circuit diagram, and Figure 3 is:
4 is a diagram showing the configuration and connections of a conventional convergence correction device, FIG. 5 is an equivalent circuit diagram thereof, and FIG. 6 is a diagram showing the configuration and connection of a conventional convergence correction device. FIG. 7, a rear view of the attached deflection yoke, is an explanatory diagram of the shape of the electron beam spot and the principle of its correction. 1... Coma-free correction coil unit, 2a,
2b...E-shaped core, 3...Vertical deflection coil, 4
... Shunt resistance, 5 ... Deflection yoke, 6 ... Six-pole deflection magnetic field, 8 ... Magnetic material piece for aberration adjustment, 9 ... Guide part, r 2 , R 2 ... Resistance, V 1 , V 1 ' ……
Upper control coil, H 1 , H 2 ... middle control coil, V
2 , V 2 '...lower control coil.
Claims (1)
ルを有するコマフリー補正コイルユニツトを設け
、偏向ヨークのネツク部を挟んで上記コマフリー
補正コイルユニツのＥ字形コアを左右に配置して
、Ｅ字形コアの間に６極偏向磁界が発生するよう
な極性で各Ｅ字形コアの上制御コイル同士、下制
御コイル同士及び中制御コイル同士をそれぞれ直
列に接続すると共に全体を偏向ヨークの垂直偏向
コイルに直列に接続し、更に左右の中制御コイル
にそれぞれ流れる電流の比率を調整する分流抵抗
を設け、偏向ヨークの背面の上部または下部に収
差調整用磁性材料片を移動及び着脱可能に取り付
けてなる偏向ヨークのコンバーゼンス補正装置。 A coma-free correction coil unit having a control coil is provided on each leg of a pair of E-shaped cores, and the E-shaped cores of the coma-free correction coil unit are arranged on the left and right sides with the neck portion of the deflection yoke in between. The upper control coils, the lower control coils, and the middle control coils of each E-shaped core are connected in series with the polarity such that a 6-pole deflection magnetic field is generated between the cores, and the whole is connected to the vertical deflection coil of the deflection yoke. A deflection system in which a shunt resistor is connected in series to adjust the ratio of current flowing through the left and right middle control coils, and a magnetic material piece for aberration adjustment is movably and detachably attached to the upper or lower part of the back surface of the deflection yoke. Yoke convergence correction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989095181U JPH0810991Y2 (en) | 1989-08-10 | 1989-08-10 | Deflection yoke convergence correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989095181U JPH0810991Y2 (en) | 1989-08-10 | 1989-08-10 | Deflection yoke convergence correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0334377U true JPH0334377U (en) | 1991-04-04 |
| JPH0810991Y2 JPH0810991Y2 (en) | 1996-03-29 |
Family
ID=31644460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989095181U Expired - Lifetime JPH0810991Y2 (en) | 1989-08-10 | 1989-08-10 | Deflection yoke convergence correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810991Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115888U (en) * | 1984-06-30 | 1986-01-29 | 東京特殊電線株式会社 | Convergence correction device |
-
1989
- 1989-08-10 JP JP1989095181U patent/JPH0810991Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6115888U (en) * | 1984-06-30 | 1986-01-29 | 東京特殊電線株式会社 | Convergence correction device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810991Y2 (en) | 1996-03-29 |