The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 1992
Filed:
Apr. 16, 1990
Applicant:
Inventors:
Ronald T Smith, Torrance, CA (US);
Andrew J Daiber, Rancho Palos Verdes, CA (US);
John E Gunther, Torrance, CA (US);
James E Scott, Culver City, CA (US);
Michael J Virgadamo, Pasadena, CA (US);
Kevin Yu, Temple City, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60Q / ; G02B / ;
U.S. Cl.
CPC ...
340479 ; 340468 ; 362 801 ; 359-1 ; 359 15 ; 359 19 ;
Abstract
A holographic stoplight for a vehicle including a stoplight hologram, a source of playback illumination, and a transparent prism for supporting the stoplight hologram and for guiding the playback illumination to the stoplight hologram. The prism with the stoplight hologram is mounted in front of the rear window of a vehicle with the light source beneath the surface of the rear panel that is adjacent the rear window.