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:
Nov. 25, 2025
Filed:
Nov. 29, 2023
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Takafumi Nakase, Nagoya, JP;
Nobumasa Tanaka, Nagoya, JP;
Ryuji Horata, Gamagori, JP;
Masahiro Hayashi, Anjo, JP;
Zenichiro Sasaki, Nagoya, JP;
Kenta Horade, Tokai, JP;
Isao Kubo, Tokoname, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
There is provided a liquid ejection apparatus including: a liquid ejection head; a signal outputter configured to output an ejection state signal; and a controller. The ejection state signal is a first or second ejection state signal, the first ejection state signal fulfills a first condition regarding a maximum value and/or a minimum value in a first period and does not fulfill a second condition regarding the maximum value and/or the minimum value in a second period after the first period; the second ejection state signal does not fulfill the first condition in the first period and fulfills the second condition in the second period. The controller is configured to vary a process to be performed between a case in which the ejection state signal outputted is the first ejection state signal and a case in which the ejection state signal outputted is the second ejection state signal.