| 发明名称 |
CONVERGENCE UNIT FOR CATHODE-RAY TUBE |
| 摘要 |
Convergence of the beams of an in-line gun shadow mask cathode-ray tube is provided by windings on a common core and generating pairs of quadruple and six-pole magnetic fields, respectively. The core is provided with non-magnetic ribs each having a projection for the purpose of locating the windings. |
| 申请公布号 |
DE3067822(D1) |
申请公布日期 |
1984.06.20 |
| 申请号 |
DE19803067822 |
申请日期 |
1980.06.13 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BURR, PETER;CHASE, BRIAN DAVID |
| 分类号 |
H01J29/54;H01F27/30;H01J29/70;H04N9/28;(IPC1-7):H04N9/28 |
主分类号 |
H01J29/54 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
