Title:
VEHICLE APPROACH ALERT DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/045295
Kind Code:
A1
Abstract:
A vehicle approach alert device includes: a first sounding signal generation unit (220a) that generates a first sounding signal (Sa) based on first sound source data (210a); and a second sounding signal generation unit (220b) that generates a second sounding signal (Sb) based on second sound source data (210b); and a combining unit (23) that generates an alert sound signal by combining the first sounding signal and the second sounding signal. The first sounding signal generation unit varies the frequency and output level of the first sounding signal in accordance with a vehicle speed of the vehicle. The second sounding signal generation unit varies the output level of the second sounding signal in accordance with the vehicle speed of the vehicle while maintaining a constant frequency of the second sounding signal.
Inventors:
SAKAKIBARA HIROSHI (JP)
TAJIMI HIRONARI (JP)
TAJIMI HIRONARI (JP)
Application Number:
PCT/JP2014/004610
Publication Date:
April 02, 2015
Filing Date:
September 09, 2014
Export Citation:
Assignee:
ANDEN CO LTD (JP)
International Classes:
B60Q5/00
Domestic Patent References:
| WO2011148534A1 | 2011-12-01 |
Foreign References:
| JP2012111343A | 2012-06-14 | |||
| JP2012066688A | 2012-04-05 | |||
| JP2012232699A | 2012-11-29 | |||
| JP2011255847A | 2011-12-22 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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