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:
Sep. 24, 2002
Filed:
Dec. 06, 2000
Applicant:
Inventor:
Masafumi Hayashi, Tokyo-to, JP;
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo-To, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 5/56 ; G03C 1/73 ; G03C 7/00 ; G03C 8/26 ; G03F 7/34 ;
U.S. Cl.
CPC ...
G03C 5/56 ; G03C 1/73 ; G03C 7/00 ; G03C 8/26 ; G03F 7/34 ;
Abstract
The present invention uses a thermal transfer film in combination with a thermally sensitive color developing paper. The hue of the thermal transfer ink layer or the hue of the developed color of the color developing paper can be recorded on the color developing paper when the applied energy is low, and a plurality of colors can be recorded on the color developing paper by color mixture of the transfer from the thermal transfer ink layer and the developed color of the color developing paper when the applied energy is high.