发明授权
US4563699A Television receiver or projection type 失效
电视接收机或投影型

Television receiver or projection type
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
信息查询
0/0