Title:
DEVICE FOR PROVIDING NOTIFICATION OF APPROACH OF VEHICLE
Document Type and Number:
Japanese Patent JP2014065409
Kind Code:
A
Abstract:
To enable a vehicle speed to be recognized in a surrounding area, while suppressing a fluctuation in acoustic pressure of a notification sound and suppressing a deterioration in balance of respective frequency components configuring the notification sound.
A vehicle speed of a vehicle is identified (S100), and a composite sound signal is generated to shift a frequency component belonging to a second frequency band in which a fluctuation in output acoustic pressure of a speaker is small, without shifting a frequency component belonging to a first frequency band in which the fluctuation in the output acoustic pressure of the speaker is great, in association with a change in the vehicle speed of the vehicle (S102).
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Inventors:
TSUZUKI HARUYUKI
TAJIMI DAISEI
TAJIMI DAISEI
Application Number:
JP2012212425A
Publication Date:
April 17, 2014
Filing Date:
September 26, 2012
Export Citation:
Assignee:
ANDEN
International Classes:
B60Q5/00
Domestic Patent References:
| JP2009040318A | 2009-02-26 | |||
| JP2012066688A | 2012-04-05 |
Foreign References:
| US20120050020A1 | 2012-03-01 |
Attorney, Agent or Firm:
Patent Business Corporation Yuai Patent Office
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