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:
Aug. 07, 2018
Filed:
Mar. 17, 2015
Kyushu Institute of Technology, Fukuoka, JP;
Yasushi Sato, Fukuoka, JP;
KYUSHU INSTITUTE OF TECHNOLOGY, Fukuoka, JP;
Abstract
A sound wave sensor, capable of reliably detecting presence or absence of a banknote very easily with use of sound waves, is provided. The sound wave sensor includes a sounding bodythat outputs a sound wave signal of a predetermined frequency, an echo bodyopposed to the sounding bodyin a direction in which the sounding bodyoutputs the sound wave signal, the echo bodybeing provided at a position where the sound wave signal resonates at the predetermined frequency; a slitthrough which a sheet-like banknotepasses, the slitbeing provided between the sounding bodyand the echo body; and a resonance determination unitthat determines a resonant state of the frequency output from the sounding body. The resonance determination unitdetermines a resonant state by detecting variation in power consumption of the sounding body