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:
Jul. 02, 1991
Filed:
Apr. 07, 1989
Applicant:
Inventors:
Ronald G Hegg, Los Angeles, CA (US);
Mao-Jin Chern, Rancho Palos Verdes, CA (US);
Paul C Norton, Los Angeles, CA (US);
John J Ferrer, Los Angeles, CA (US);
Steven A Stringfellow, Hermosa Beach, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G09G / ; G03B / ;
U.S. Cl.
CPC ...
350174 ; 340705 ; 340980 ; 434 44 ; 353 12 ;
Abstract
A head-up instrument display for a vehicle including a light emitting image source for producing imaging illumination and a combiner including a spherical beam-splitter coating for partially reflecting the imaging illumination to produce a virtual image viewable by the vehicle operator without diverting attention from the outside scene. In one embodiment, the head-up instrument display is self-contained with the combiner being rotatable into a stowed position when not in use.