发明名称 |
Exposure apparatus |
摘要 |
In exposure apparatus adapted to expose the phosphor on the face plate of a colour picture tube provided with a slot type colour selection electrode of the type comprising an exposure light source and a correction lens disposed between the light source and the colour selection electrode the exposure light source and the correction lens are moved with respect to the colour selection electrode.
|
申请公布号 |
US3949411(A) |
申请公布日期 |
1976.04.06 |
申请号 |
US19740439215 |
申请日期 |
1974.02.04 |
申请人 |
HITACHI, LTD. |
发明人 |
YONAI, FUMIAKI;YAMAUCHI, MASAAKI;FUJIMURA, TAKASHI;KOTOYORI, AKIRA |
分类号 |
H01J9/227;(IPC1-7):G03B41/00 |
主分类号 |
H01J9/227 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|