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Patent Searching and Data


Title:
VEHICLE APPROACH NOTIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/125990
Kind Code:
A1
Abstract:
Provided is a vehicle approach notification device capable of outputting a warning sound with little discomfort to the occupants of the vehicle. This vehicle approach notification device has a first speaker, a second speaker, and a sound source that outputs a signal corresponding to a sound notifying the approach of a vehicle. The vehicle approach notification device is also equipped with: a first amplifier and a second amplifier which are series-connected to the first speaker and the second speaker, respectively, so as to amplify the signal; and filters which are series-connected to the first amplifier so as to modulate the signal. A sound output from the first speaker is different from that output from the second speaker.

Inventors:
NAGASAWA SINNOSUKE
KONNO FUMIYASU
OHNO ICHIRO
Application Number:
PCT/JP2016/005230
Publication Date:
July 27, 2017
Filing Date:
December 27, 2016
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B60R11/02; B60Q5/00; G10K15/04; H04R3/12
Foreign References:
JP2008273251A2008-11-13
JP2011255790A2011-12-22
JP2015179194A2015-10-08
JP2007320472A2007-12-13
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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