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:
Apr. 20, 2021
Filed:
May. 22, 2019
Mazda Motor Corporation, Hiroshima, JP;
Kazuto Fujii, Hiroshima, JP;
Hirofumi Saka, Higashihiroshima, JP;
Naohiro Sera, Hiroshima, JP;
Kenta Ako, Hatsukaichi, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
A vehicle back door includes a back door main body having a window opening and a back door pane attached to the window opening. The back door main body has a speaker. The speaker is disposed below the back door pane and the angle α1 formed by a vehicle height direction axis and a central axis of the speaker is set to a value smaller than the inclination angle α2 of the back door pane with respect to the vehicle height direction axis. The sound emitted by the speaker is reflected by the back door pane and then transmitted to the front part of the vehicle interior.