- Patent Title: Loudspeaker device and movable-body apparatus equipped with same
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Application No.: US16310500Application Date: 2017-08-23
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Publication No.: US10531170B2Publication Date: 2020-01-07
- Inventor: Yoshimichi Kajihara , Takuji Miyamoto , Yuuki Izumi , Satoshi Koura
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2016-170436 20160901; JP2016-170437 20160901
- International Application: PCT/JP2017/030027 WO 20170823
- International Announcement: WO2018/043224 WO 20180308
- Main IPC: H04R1/02
- IPC: H04R1/02 ; H04R9/06 ; H04R9/02 ; H04R7/16
Abstract:
A loudspeaker device includes a loudspeaker, a box, and a lid. The box is provided with an opening and accommodates the loudspeaker. The lid covers the opening of the box. The lid includes a grille with one or more hexagonal holes each having an opening area equal to the area of a circle with a diameter in a range from 6.0 mm to 9.0 mm, inclusive.
Public/Granted literature
- US20190200110A1 SPEAKER DEVICE AND MOVING BODY DEVICE WITH SAME MOUNTED THEREON Public/Granted day:2019-06-27
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