公开(公告)号：US10391935B2

公开(公告)日：2019-08-27

申请号：US16072928

申请日：2017-01-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Fumiyasu Konno ,  Shinnosuke Nagasawa ,  Ichiro Ohno ,  Koichi Sakamoto

IPC: B60Q1/22 ,  B60Q5/00 ,  H04R3/12 ,  H04R1/40 ,  B60R11/02 ,  G10K11/178

Abstract: Provided is a vehicle approach notification device that can easily output a warning sound in which a discomfort feeling brought to an occupant is reduced while ensuring a necessary sound pressure. A vehicle approach notification device includes: a sound source; first and second amplifiers; a first speaker system including a first speaker and a second speaker that outputs a sound having an opposite phase to a sound output from the first speaker; and a second speaker system including a third speaker that outputs a sound having a same phase as the sound output from the first speaker and a fourth speaker that outputs a sound having an opposite phase to the sound output from the third speaker, wherein the first speaker system and the second speaker system are disposed so that the first speaker and the third speaker are located closer to a longitudinal center plane of the vehicle than the second speaker and the fourth speaker.

公开(公告)号：USD841628S1

公开(公告)日：2019-02-26

申请号：US29630997

申请日：2017-12-26

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Designer： Koichi Sakamoto ,  Fumiyasu Konno ,  Misao Kanba ,  Satoshi Kosugi ,  Masaharu Takahashi ,  Sinnosuke Nagasawa