Discontinuous wide-angle optic

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

350202, G02B 1306, G02B 1700

Patent

active

039841782

ABSTRACT:
A discontinuous wide-angle optic for use in a light receiver or transmitter comprises a partial spherical element having a planar boundary surface superposed on the base surface of a pyramidal facet reflector provided with a plurality of inclined facet surfaces, one for each of a plurality of directions of incidence of light passing through the spherical surface of said spherical element. When used in a light receiver, the spherical surface functions as a positive lens to cause entering light rays to converge toward one of the facet surfaces of the reflector for reflection therefrom into an image plane located at a diaphragm formed on a surface of said partial spherical element spaced from its said planar boundary surface. A light conductor in the form of a truncated pyramid is provided to limit the field of view, said light conductor being provided with the same number of facet surfaces as the facet reflector and the narrower end of said light conductor being placed in optical contact with said partial spherical element at said diaphragm. A light filter and light detector is disposed adjacent the wider end of the light conductor. When used as a light transmitter, a light emitter is placed adjacent the wider end of the light conductor to cause light to be reflected from the facet surfaces of the light conductor and reflector so as to leave the optic via said spherical surface.

REFERENCES:
patent: 2638033 (1953-05-01), Buchele et al.
patent: 3628027 (1971-12-01), Brauss

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Discontinuous wide-angle optic does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Discontinuous wide-angle optic, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Discontinuous wide-angle optic will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-652419

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.