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:
Mar. 01, 1994
Filed:
Feb. 03, 1993
Applicant:
Inventors:
Shoziro Asami, Kanagawa, JP;
Yasuji Yui, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400208 ; 400249 ; 400703 ;
Abstract
An ink ribbon unit and an ink ribbon cassette for use in printers of thermally sublimate ink transferal type are described. The cassette comprises a casing and the ink ribbon unit installed in the casing. The ink ribbon unit comprises an ink film, a spool around which the ink film is wound, a coaxial shaft portion possessed by the spool, a ring rotatably disposed about the coaxial shaft portion of the spool, and a mark representing information on the ink film. The mark is applied to the ring to rotate therewith. Another mark similar to the above-mentioned mark is attached to the casing.