| 摘要 |
PURPOSE:To obtain the extended sceen without changing the wiring of television, by extending the television screen installed upside down with Fresnel lens, reflecting it on the mirror, and projecting it on the screen. CONSTITUTION:The television is installed at the specified location 6 of the support plate with upside down, and the position is fixed with the back plate 10 of slide- free. The upside down is corrected for the television screen with the two Fresnel lenses 5, 5 and the screen is extended and projected on the mirror 3. Further, the inversion of left and right is corrected with the mirror 3 and the picture is projected on the screen 4. |
