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:
Jul. 20, 2021
Filed:
Feb. 28, 2018
Applicants:
Pioneer Corporation, Tokyo, JP;
Tohoku Pioneer Corporation, Tendo, JP;
Inventors:
Hiroyuki Dohi, Tendo, JP;
Satoru Hiwatari, Tendo, JP;
Takayuki Negishi, Tendo, JP;
Hiroyuki Kobayashi, Tendo, JP;
Assignees:
PIONEER CORPORATION, Tokyo, JP;
TOHOKU PIONEER CORPORATION, Tendo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 1/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2803 (2013.01); H04R 1/025 (2013.01); H04R 9/06 (2013.01); H04R 2400/11 (2013.01);
Abstract
A speaker unit emits a sound towards a box-like space formed by a vehicle. The speaker unit is accommodated in an enclosure. At least one of the enclosure and the speaker unit is provided with a tubular member and/or a vibration member configured to generate a resonance sound of a frequency different from a lowest resonance frequency of the speaker unit. At least a part of the enclosure also serves as a body of the vehicle.