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. 08, 1990
Filed:
May. 25, 1988
Applicant:
Inventors:
Koshiro Yamaguchi, Nagoya, JP;
Toshio Takahashi, Nagoya, JP;
Yasunori Kitazawa, Nagoya, JP;
Hiroshi Hattori, Nagoya, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400120 ; 400234 ; 400696 ;
Abstract
A printer having a print head adapted to be pressed against or released from a print paper mounted on a platen, wherein a print operation or an erase operation is performed by moving the print head in press contact with the print paper through an ink ribbon. The improvement comprises control means for relasing the print head from the print paper after a predetermined amount of printing or erasing is successively performed with the print head being held in press contact with the print paper, thus preventing defective winding and meandering of the ink ribbon.