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:
Apr. 08, 2025
Filed:
Mar. 08, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Seijiro Morita, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An object of the present disclosure is to narrow the width of an electric wiring substrate and downsize a printing head. An aspect of the present disclosure provides an inkjet printing apparatus, including: a printing head including a plurality of nozzles ejecting ink and a piezoelectric element corresponding to each of the plurality of the nozzles; a control unit configured to control printing by the printing head; a signal generation unit configured to generate a driving signal to drive the piezoelectric element; a selection unit configured to select for each nozzle one type of the driving signal out of a plurality of types of the driving signals generated by the signal generation unit; and a plurality of wiring lines having different wiring widths from each other to communicate the plurality of types of the driving signals supplied to the selection unit from the signal generation unit.