| 摘要 |
PURPOSE:To obtain a simple and good video device for an automobile by making countermeasures for noise etc. unnecessary, by disposing one end of optical fibers together with a lens at the outside of an automobile and disposing the other end at the inside screen of the automobile, and interposing at the same time an optical source by a halfmirror. CONSTITUTION:One end of optical fibers 2 is disposed at the outside of an automobile together with a condenser lens 1, and the other end is disposed at the back side of a screen 10 in the automobile together with a diffusing lens 3, and video of the field of view at the outside is projected on the screen 10. An optical source 6 is interposed in the optical system through a halfmirror 4, and a video treatment even in the night is performed in the same way as in the daytime. By such a purely optical constitution, a countermeasure for electric noise etc. are made unnecessary and a simple and good video device for the automobile is obtained. |
