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. 06, 1997
Filed:
Jul. 06, 1994
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503226 ; 427150 ; 503201 ; 503217 ;
Abstract
A reversible thermosensitive recording medium is composed of a support and a reversible thermosensitive recording layer whose transparency or color reversibly changes by the application of heat thereto formed on the support. The reversible thermosensitive recording layer has a thermal pressure level difference of 40% or less, land a thermal pressure level difference change ratio of 70% or less.