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. 12, 2020
Filed:
Nov. 09, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Hideyuki Ueki, Fuchu, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/05 (2006.01); B41J 19/00 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04573 (2013.01); B41J 2/0458 (2013.01); B41J 2/04543 (2013.01); B41J 2/05 (2013.01); B41J 19/005 (2013.01);
Abstract
Provided is a recording head including: a recording element; a delay circuit including a delay element and configured to supply a clock signal from a main body unit of a recording apparatus to the delay element; and a logical sum (OR) element configured to generate a clock state signal based on a logical sum of the clock signal and output from each delay element. The recording head detects a defect in the clock signal transmitted from the main body unit to the recording head based on the clock state signal, and sets the recording element to a disable state when a defect is detected in the clock signal.