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Title:
LOUDSPEAKER APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/140453
Kind Code:
A1
Abstract:
Disclosed is a loudspeaker apparatus, comprising: ear hooks, each ear hook comprising a first insertion end and a second insertion end, a protective sleeve being wrapped around each ear hook, and the protective sleeve being made of an elastic waterproof material; an earphone core housing for accommodating an earphone core, the earphone core housing being fixed to the first insertion end in an inserting manner and being elastically abutted against the protective sleeve, the earphone core housing comprising a casing panel and a casing back, and when a vibration frequency is within 2000 Hz to 3000 Hz, the absolute value of a difference between a first phase of the casing panel and a second phase of the casing back being less than 60 degrees; and a circuit housing for accommodating a control circuit or a battery, the circuit housing being fixed to the second insertion end in an inserting manner, and the control circuit or the battery driving the earphone core to vibrate to produce sound. In the present application, the earphone core housing is elastically abutted against the protective sleeve around the ear hook, the overall waterproof effect of the loudspeaker apparatus is improved, and the fabrication and assembly process of the loudspeaker apparatus is simplified.

Inventors:
LI CHAOWU (CN)
LI YONGJIAN (CN)
Application Number:
PCT/CN2019/102393
Publication Date:
July 09, 2020
Filing Date:
August 24, 2019
Export Citation:
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Assignee:
SHENZHEN VOXTECH CO LTD (CN)
International Classes:
H04R1/10; H04R31/00
Foreign References:
CN109788386A2019-05-21
CN209120433U2019-07-16
CN109547905A2019-03-29
CN109769167A2019-05-17
CN109714687A2019-05-03
CN109660901A2019-04-19
CN209267804U2019-08-16
CN209184801U2019-07-30
CN103716739A2014-04-09
US20170318369A12017-11-02
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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