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. 09, 1996
Filed:
Dec. 22, 1994
Applicant:
Inventors:
Takanori Hasegawa, Tokyo, JP;
Hideo Shoji, Tokyo, JP;
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
101350 ;
Abstract
A motor-type ink sensor for detecting ink in a printing device of a printing apparatus is formed of an agitating part disposed in a position of an ink fountain formed in the printing device, a motor for driving to rotate the agitating part, and a control section for detecting ink from the driving condition of the motor.