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Patent Searching and Data


Title:
VEHICLE APPROACH NOTIFICATION DEVICE AND VEHICULAR LIGHTING UNIT
Document Type and Number:
WIPO Patent Application WO/2022/210601
Kind Code:
A1
Abstract:
This vehicle approach notification device (100) is capable of issuing a notification regarding the approach of a vehicle (10) to the surroundings of the vehicle (10) by means of a notification sound (102), the notification sound (102) including a first frequency component and a second frequency component that is different from the first frequency component. The vehicle approach notification device (100) comprises a first sound-emitting device (104a) that is capable of operating so as to emit a first sound (102a) having a peak of a sound pressure level in the first frequency component, a second sound-emitting device (104b) that is capable of operating so as to emit a second sound (102b) having a peak of a sound pressure level in the second frequency component, and a sound emission control device (106) that controls the first sound-emitting device (104a) and the second sound-emitting device (104b) such that the first sound-emitting device (104a) emits the first sound (102a) and the second sound-emitting device (104b) emits the second sound (102b).

Inventors:
FUKUTA KATSUYA (JP)
AMANO HEISUKE (JP)
SAEKI YUKINORI (JP)
SUZUKI TAKAYUKI (JP)
Application Number:
PCT/JP2022/015180
Publication Date:
October 06, 2022
Filing Date:
March 28, 2022
Export Citation:
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Assignee:
KOITO MFG CO LTD (JP)
International Classes:
B60Q5/00; B60Q11/00; F21S45/00; F21V23/00; F21V33/00; H05B45/10; H05B45/325; H05B45/335; H05B47/105; H05B47/18; F21W102/00; F21Y115/10
Foreign References:
JP2013035482A2013-02-21
JP2015027828A2015-02-12
JP2015067029A2015-04-13
JP2004136831A2004-05-13
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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