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:
Jan. 31, 1995
Filed:
Dec. 02, 1992
Applicant:
Inventors:
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400208 ; 400249 ; 400703 ;
Abstract
A device for identifying an ink ribbon cartridge used in a printing apparatus includes a spool rotatably disposed in the ink ribbon cartridge and having an ink ribbon wound thereabout. A ring is mounted on the spool so as to be rotatable relative to the spool and has information marks recorded thereon. A photo-sensor is disposed in the printing apparatus in opposite relation to the ring and detects the information marks recorded on the ring.