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:
Oct. 25, 2016
Filed:
Apr. 16, 2013
Yamaha Hatsudoki Kabushiki Kaisha, Iwata-shi, Shizuoka, JP;
Yamaha Corporation, Hamamatsu-shi, Shizuoka, JP;
Hideki Osawa, Shizuoka, JP;
Heiji Maruyama, Shizuoka, JP;
Yasuyuki Suzuki, Shizuoka, JP;
Yosuke Kuno, Shizuoka, JP;
Hirofumi Onitsuka, Shizuoka, JP;
Yoshikazu Honji, Shizuoka, JP;
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
YAMAHA CORPORATION, Shizuoka, JP;
Abstract
A vehicle sound generation apparatusis constituted by a first pressure sensor, a second pressure sensor, a signal processing sectionwhich performs processing of changing pressure signals output from the first pressure sensorand the second pressure sensorin accordance with the operation state of an automobile, and speakerswhich output, as an intake sound of an engine, a sound pressure signal processed by the signal processing section. The first pressure sensoris provided on an intake ductconnecting an air cleanerand a throttle bodyat a position between the air cleanerand the center of the intake duct, and the second pressure sensoris provided between the engineand the throttle body