US 12,269,262 B2
Inkjet printing apparatus, control method, and storage medium
Seijiro Morita, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 8, 2023, as Appl. No. 18/180,286.
Claims priority of application No. 2022-056148 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0311495 A1, Oct. 5, 2023
Int. Cl. B41J 2/045 (2006.01); B41J 2/14 (2006.01)
CPC B41J 2/04541 (2013.01) [B41J 2/0455 (2013.01); B41J 2/04581 (2013.01); B41J 2/04591 (2013.01); B41J 2002/14491 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An inkjet printing apparatus, comprising:
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, wherein
the control unit controls the signal generation unit by using use frequency information indicating each type of use frequency of the plurality of types of the driving signals, and
the control unit controls the selection unit by using the use frequency information.