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:
Jun. 16, 2026
Filed:
Jun. 27, 2024
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
The liquid discharge system includes a head configured to discharge the liquid, a supply tank, a discharge tank, a pump, a first filter, a second filter, a first liquid amount sensor configured to detect an amount of the liquid stored in the supply tank, a second liquid amount sensor configured to detect an amount of the liquid stored in the discharge tank, and a controller configured to determine a state of the first filter, based on a first change amount or a second change amount, the first change amount being amount of change in a detection value of the first liquid amount sensor, the second change amount being amount of change in a detection value of the second liquid amount sensor, and determine a state of the second filter, based on a value or a rotational speed of the pump.