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:
Oct. 03, 1995
Filed:
Aug. 29, 1994
Applicant:
Inventors:
John E Wreede, Azusa, CA (US);
James E Scott, Hermosa Beach, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G03H / ;
U.S. Cl.
CPC ...
359 15 ; 359 32 ; 359 34 ;
Abstract
A display hologram structure including a display hologram configured for reconstruction with a playback beam having a predetermined wavefront configuration, and a light configuring hologram that provides playback illumination for the display hologram pursuant to diffraction of an off-axis playback beam that does not have the predetermined wavefront configuration, and wherein the playback illumination provided by the light configuring hologram has the predetermined wavefront configuration.