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. 05, 1987
Filed:
Oct. 31, 1985
Applicant:
Inventors:
Alan L Borror, Andover, MA (US);
Ernest W Ellis, Carlisle, MA (US);
Faramarz Faramarzpour, Sudbury, MA (US);
Hugh R MacKenzie, Belmont, MA (US);
Donald A McGowan, Stoneham, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235487 ; 235468 ;
Abstract
An identification card comprises a single media having a plurality of different heat sensitive image forming dye compounds on which are encoded a colored pictorial image of the card holder, colored text, and machine readable digital data. A laser printing method is also provided for activating the heat sensitive image forming dyes to provide the colored pictorial image of the card holder, the colored text and the machine readable digital code.