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:
Feb. 05, 2008
Filed:
Aug. 17, 2006
Minoru Usui, Nagano, JP;
Kenji Tsukada, Nagano, JP;
Munehide Kanaya, Nagano, JP;
Noboru Tamura, Nagano, JP;
Minoru Usui, Nagano, JP;
Kenji Tsukada, Nagano, JP;
Munehide Kanaya, Nagano, JP;
Noboru Tamura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A method of detecting a consumption status of liquid contained in a liquid container, comprising steps of: preparing a detection device having a piezoelectric element and attaching the detection device on a desired position of the liquid container so that at least a part of the detection device contacting the liquid; measuring a residual vibration of the detection device; and detecting the consumption status of the liquid contained in the liquid container on the basis of a result of the measurement of the residual vibration.