US 12,138,922 B2
Liquid ejection device
Sosuke Kuroyanagi, Nishio (JP); Yoshinori Osakabe, Seto (JP); Hiroyuki Ishikawa, Nisshin (JP); Fumio Nakazawa, Okazaki (JP); and Taichi Shirono, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by Brother Kogyo Kabushiki Kaisha, Nagoya (JP)
Filed on Jun. 29, 2022, as Appl. No. 17/809,590.
Claims priority of application No. 2021-108816 (JP), filed on Jun. 30, 2021.
Prior Publication US 2023/0001690 A1, Jan. 5, 2023
Int. Cl. B41J 2/045 (2006.01); B41J 2/175 (2006.01)
CPC B41J 2/04591 (2013.01) [B41J 2/04541 (2013.01); B41J 2/04581 (2013.01); B41J 2/17566 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A liquid ejection device, comprising:
a head having a nozzle;
an element causing the nozzle to eject liquid;
a reservoir configured to store the liquid to be supplied to the nozzle; and
a controller
configured to change a drive signal to drive the element to control a size of the liquid ejected from the nozzle based on a quantity of the liquid stored in the reservoir.