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:
Jul. 28, 1998
Filed:
Apr. 02, 1996
Seiichiro Yamamoto, Shizuoka, JP;
Tokyo Electric Co., Ltd., Tokyo, JP;
Abstract
A printer is provided with at least one detachable print unit provided with a driven unit which is driven to print an image on a recording sheet. The condition of operation of the print unit is detected and the detected condition of operation of the print unit is stored in a data storage device that allows the updating of its contents. Thus, various kinds of information useful for the quality control of the printer and the print unit can be readily and surely collected and the collected information is stored in the print unit. The information useful for the quality control of the printer and the print unit can be read out from the data storage device after the print unit has been removed from the printer.