| 发明名称 |
Plural gun cathode ray tube having parallel plates adjacent grid apertures |
| 摘要 |
In the tube gun, at least one of the two electrode grids nearest the screen has extensions on opposite sides of its apertures to distort an electrostatic field formed by the grid to at least partially compensate for distortion of an electron beam in the magnetic deflection field.
|
| 申请公布号 |
US4086513(A) |
申请公布日期 |
1978.04.25 |
| 申请号 |
US19750554610 |
申请日期 |
1975.03.03 |
| 申请人 |
RCA CORPORATION |
发明人 |
EVANS, JR., DECEASED, JOHN |
| 分类号 |
H01J29/48;H01J29/50;(IPC1-7):H01J29/50;H01J29/56 |
主分类号 |
H01J29/48 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
