发明授权
- 专利标题: Television receiver or projection type
- 专利标题(中): 电视接收机或投影型
-
申请号: US467856申请日: 1983-02-18
-
公开(公告)号: US4563699A公开(公告)日: 1986-01-07
- 发明人: Toshiro Watanabe , Takashi Tohyama , Akio Ohkoshi
- 申请人: Toshiro Watanabe , Takashi Tohyama , Akio Ohkoshi
- 申请人地址: JPX Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX57-31354 19820226
- 主分类号: H04N5/74
- IPC分类号: H04N5/74 ; H04N9/31
摘要:
A television receiver of projection type including a color cathode ray tube having a phosphor face forming a color phosphor pattern, a projection screen, a projection lens for projecting an image on the cathode ray tube on the projection screen, and a prism plate having a plurality of prisms disposed in front of the color cathode ray tube for splitting a light path from the color cathode ray tube so as to shift the images relative to each other by a predetermined distance on the projection screen, wherein the inclination angle of each prism of the prism plate is selected different between at central portion and at peripheral portion.
公开/授权文献
- US5569215A Low profile infusion catheter 公开/授权日:1996-10-29
信息查询