发明授权
US5731822A Picture display device, projection device provided with three such
picture display devices, and picture tube suitable for use in such a
picture display device
失效
具有三个这样的图像显示装置的图像显示装置,投影装置和适用于这种图像显示装置的显像管
- 专利标题: Picture display device, projection device provided with three such picture display devices, and picture tube suitable for use in such a picture display device
- 专利标题(中): 具有三个这样的图像显示装置的图像显示装置,投影装置和适用于这种图像显示装置的显像管
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申请号: US858201申请日: 1992-03-26
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公开(公告)号: US5731822A公开(公告)日: 1998-03-24
- 发明人: Wilhelmus N.M. Selten
- 申请人: Wilhelmus N.M. Selten
- 申请人地址: NY New York
- 专利权人: U.S. Philips Corporation
- 当前专利权人: U.S. Philips Corporation
- 当前专利权人地址: NY New York
- 优先权: EPX91200760 19910402
- 主分类号: H01J29/86
- IPC分类号: H01J29/86 ; H01J29/89 ; H01J31/10 ; H04N5/74 ; H04N9/31 ; H04N5/647
摘要:
A picture tube and lens system are combined to form a picture display device for use in a projection device. The lens system is mounted in an extension of the tube envelope.
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