Title:
NOTIFICATION SOUND GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/138141
Kind Code:
A1
Abstract:
This notification sound generation device is provided with: a loudspeaker (21) that generates a notification sound in the surroundings of a vehicle; a control unit (10) that outputs, to the loudspeaker, a sound signal for generating the notification sound; a resistor (22) having a resistance value corresponding to a correction amount for correcting variations in sound pressure of the loudspeaker or a resistance value corresponding to a sound pressure value of the loudspeaker; and a correction unit (S104) that corrects the sound signal on the basis of a physical amount correlating to the resistance value of the resistor.
Inventors:
YAMAMOTO CHIKARA (JP)
MATSUI TADASHI (JP)
MATSUI TADASHI (JP)
Application Number:
PCT/JP2021/044944
Publication Date:
June 30, 2022
Filing Date:
December 07, 2021
Export Citation:
Assignee:
DENSO ELECTRONICS CORP (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
B60Q5/00; H04R3/00; H04R3/04
Domestic Patent References:
| WO2013118250A1 | 2013-08-15 |
Foreign References:
| JP2014108727A | 2014-06-12 | |||
| JP2012171406A | 2012-09-10 | |||
| JP2020107988A | 2020-07-09 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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