| 发明名称 |
Colour cathode ray tube. |
| 摘要 |
<p>By selecting the number of apertures in the shadow mask of a colour cathode ray tube to be in the range between 690 and 770, such a cathode ray tube can be used both in a PAL and an NTSC system without the occurrence of disturbing Moiré effects. <IMAGE></p> |
| 申请公布号 |
EP0637833(A1) |
申请公布日期 |
1995.02.08 |
| 申请号 |
EP19940202200 |
申请日期 |
1994.07.28 |
| 申请人 |
PHILIPS ELECTRONICS N.V. |
发明人 |
SLUYTERMAN, ALBERTUS AEMILIUS SEYNO |
| 分类号 |
H01J29/07;H04N3/16;(IPC1-7):H01J29/07 |
主分类号 |
H01J29/07 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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