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. 24, 2012
Filed:
Oct. 21, 2010
Applicants:
Nobuyuki Hatasa, Kawasaki, JP;
Kenjiro Watanabe, Ohta-ku, JP;
Kimiyuki Hayasaki, Yokohama, JP;
Tatsuhiko Yamazaki, Zama, JP;
Tetsuya Tateno, Hatano, JP;
Inventors:
Nobuyuki Hatasa, Kawasaki, JP;
Kenjiro Watanabe, Ohta-ku, JP;
Kimiyuki Hayasaki, Yokohama, JP;
Tatsuhiko Yamazaki, Zama, JP;
Tetsuya Tateno, Hatano, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink tank receives data signals from a printer and an LED provided on the ink tank is driven on the basis of the received data signals. The LED is driven in an inactive time period that is different from the time period in which the date signals are input to the ink tank.