1979-07-03
1981-06-23
Sacher, Paul A.
350445, G02B 308
Patent
active
042747147
ABSTRACT:
A rear viewer for automobile is disclosed having means for mounting an optical system on an automobile rear window glass, which means consists of a box member made of synthetic resin or light metal and holds the optical system made of synthetic resin and composed of optical elements selected from a group of one or more Fresnel concave lenses of plate shape, plate-like prisms, with or without a plate-like mirror. Light beams from an optical field at the immediate outside of an automobile rear end portion are converged and refracted so as to enable an automobile driver to see the conditions of the aforesaid optical field, whereby the safety in automobile driving is improved. An auxiliary optical means consisting of a combination of the aforesaid plate-shaped optical elements and mounted at the rear end portion of the automobile may be used in conjunction with the optical system of the box member, for further improving the driver's view of the aforesaid optical field.
REFERENCES:
patent: 3809461 (1974-05-01), Baumgardner et al.
patent: 3809462 (1974-05-01), Baumgardner
LandOfFree
Rear viewer for automobile does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rear viewer for automobile, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rear viewer for automobile will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2204759