Title:
SPEAKER BOX BODY FOR REINFORCING LOW FREQUENCY
Document Type and Number:
WIPO Patent Application WO/2019/218520
Kind Code:
A1
Abstract:
Disclosed is a speaker box body for reinforcing low frequency. The speaker box body comprises a speaker and a box body, wherein the box body comprises a front shell and a back shell, and the front shell and the back shell form a box space; the speaker is mounted on the front shell or back shell of the box body; and the casing of the box body is provided with a trepanning, and a sound-absorbing plate is overlaid at the trepanning. The trepanning is provided on one or more casings. Each casing provided with the trepanning has more than one trepanning and sound-absorbing plate. The outside of the box body is provided with a sound-insulating structure for shielding vibration sound of the sound-absorbing plate.
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Inventors:
LIANG GUOHUA (CN)
XU WANGHUA (CN)
GAO TIAN (CN)
XU WANGHUA (CN)
GAO TIAN (CN)
Application Number:
PCT/CN2018/102301
Publication Date:
November 21, 2019
Filing Date:
August 24, 2018
Export Citation:
Assignee:
SHANGHAI AMPHENOL AIRWAVE COMMUNICATION ELECTRONICS CO LTD (CN)
International Classes:
H04R9/06; H04R9/02
Foreign References:
| CN106454627A | 2017-02-22 | |||
| CN206136253U | 2017-04-26 | |||
| CN207099313U | 2018-03-13 | |||
| CN206542568U | 2017-10-03 | |||
| CN205081961U | 2016-03-09 | |||
| CN205793233U | 2016-12-07 | |||
| CN206422906U | 2017-08-18 |
Attorney, Agent or Firm:
SHANGHAI HANGSOME INTELLECTUAL PROPERTY LTD (CN)
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