发明名称 |
Mask focusing color picture tube |
摘要 |
A mask-focusing color picture tube comprising an evacuated envelope; means to generate a number of electron beams; a display screen comprising a large number of phosphor stripes luminescing in different colors; a plurality of masks being spaced in the predetermined distance each other, individually having a number of apertures which is arranged in rows and being disposed in the vicinity of said screen, each electron beam being assigned to phosphor stripe of a respective color through said corresponding mask aperture, the improvement comprising, at least one of said plurality of masks having a plurality of projections on at least one side of said mask, said projections being separated each other by the rows of said apertures.
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申请公布号 |
US4626737(A) |
申请公布日期 |
1986.12.02 |
申请号 |
US19840685230 |
申请日期 |
1984.12.27 |
申请人 |
TOKYO SHIBAURA DENKI KABUSHIKI KAISHA |
发明人 |
TAKENAKA, SHIGEO;HAMANO, EIZABURO;KAMOHARA, EIJI |
分类号 |
H01J31/20;H01J29/07;H01J29/81;(IPC1-7):H01J29/81 |
主分类号 |
H01J31/20 |
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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