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Patent Searching and Data


Title:
VEHICLE POWER SOURCE NOISE REDUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/186069
Kind Code:
A1
Abstract:
This vehicle power source noise reduction device: is to be arranged inside a housing part that houses a vehicle power source that is for driving a vehicle; reduces noise emitted from the vehicle power source; and comprises a speaker that generates cancellation sound that is antiphase to the noise. The speaker is arranged to emit the cancellation sound: in a direction that is along the emission direction of the noise emitted from the vehicle power source; and toward an opening part that connects the housing part to the outside.

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Inventors:
ITO ATSUSHI (JP)
Application Number:
PCT/JP2018/007788
Publication Date:
October 11, 2018
Filing Date:
March 01, 2018
Export Citation:
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Assignee:
AISIN SEIKI (JP)
International Classes:
G10K11/178; B60R11/02
Foreign References:
JPH07152385A1995-06-16
JP2012046059A2012-03-08
JPH02149197A1990-06-07
US20120070012A12012-03-22
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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