| 摘要 |
A color projector apparatus including a single cathode ray tube of index-type having a first transparent panel with phosphor elements of three primary colors and an indexing element formed on the inner surface thereof, a second transparent panel located in front of the first transparent panel of cathode ray tube, a metal frame-shape spacer for supporting the second transparent panel, and a transparent liquid coolant filled into the space between the first and second transparent panels. |
