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:
May. 02, 1995
Filed:
Dec. 29, 1992
Applicant:
Inventor:
Stephen T Babbitt, Redondo Beach, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235457 ; 235454 ;
Abstract
An encoded hologram strip including a plurality of hologram digits linearly arranged along a longitudinal direction, each hologram digit including at least 0 parallel fringe reflection holograms wherein each parallel fringe hologram is constructed to diffract playback light having a predetermined wavelength and incidence angle at a diffraction angle that is substantially equal to the playback incidence angle.