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:
Sep. 07, 2021
Filed:
Mar. 06, 2017
Mazda Motor Corporation, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A resonance tube of a horn according to one aspect of the present invention includes a first resonance tube and a second resonance tube branching from the first resonance tube at a branching portion. The first resonance tube is a resonance tube that resonates with a first sound contained in a chord generated by a diaphragm. The first resonance tube includes: an input opening surface to which the chord is input; and a first opening surface from which the first sound is output. The second resonance tube is a resonance tube that resonates with a second sound contained in the chord. The second resonance tube includes a second opening surface from which the second sound is output. The second opening surface is displaced from the first opening surface in a normal direction K