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:
Nov. 27, 1990
Filed:
Apr. 07, 1989
Martin Weinhrauch, Woodland Hills, CA (US);
John J Ferrer, Los Angeles, CA (US);
Mao-Jin Chern, Rancho Palos Verdes, CA (US);
Ronald G Hegg, Los Angeles, CA (US);
Matthew J Van Leeuwen, Los Angeles, CA (US);
Steven A Stringfellow, Hermosa Beach, CA (US);
William J Wainwright, Rancho Palos Verdes, CA (US);
Harry J King, Woodland Hills, CA (US);
Hughes Aircraft Company, Los Angeles, CA (US);
Abstract
A vehicle head-up instrument display including a light emitting image source for producing imaging illumination, optical apparatus for directing the imaging illumination to the inside surface of a vehicle windshield, and a combiner comprising a portion of the windshield or a coating applied to the windshield partially reflects the imaging illumination to produce a virtual image viewable by the driver. The image source and optical apparatus are enclosed in a housing having an elliptical cylindrical transparent cover for transmitting the imaging illumination to the windshield and for directing sunlight and skylight reflections therefrom away from the driver's eyes.