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:
Jun. 10, 1997
Filed:
Apr. 22, 1996
Applicant:
Inventors:
Chikara Murata, Shizuoka, JP;
Kensaku Higashi, Shizuoka, JP;
Assignee:
Tomoegawa Paper Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347171 ; 347221 ;
Abstract
An erasure method for an image recorded on a reversible heat-sensitive recording medium comprising the step of contacting a thermal head to apply an amount of heat as an electric wave pulse to the recorded image in a heat-sensitive recording layer, characterized in that the amount of heat as pulse waves satisfies the following formula (1)