Title:
VEHICLE POWER SOURCE NOISE REDUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/186070
Kind Code:
A1
Abstract:
This vehicle power source noise reduction device: is to be arranged near an outer surface of a vehicle power source that is for driving a vehicle; reduces noise that is emitted from the vehicle power source; and comprises a plurality of speakers that include a sound wave generation unit that generates cancellation sound that is antiphase to the noise. Each of the plurality of speakers is arranged to emit the cancellation sound in a direction that is along the emission direction of the noise that is emitted from the vehicle power source.
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Inventors:
ITO ATSUSHI (JP)
Application Number:
PCT/JP2018/007792
Publication Date:
October 11, 2018
Filing Date:
March 01, 2018
Export Citation:
Assignee:
AISIN SEIKI (JP)
International Classes:
B60R11/02; G10K11/178
Foreign References:
| JP2004187410A | 2004-07-02 | |||
| JPH08272376A | 1996-10-18 | |||
| JPH0612084A | 1994-01-21 | |||
| JPH07322403A | 1995-12-08 | |||
| JPH08106293A | 1996-04-23 | |||
| JPH07234689A | 1995-09-05 |
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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