Title:
MOBILE TERMINAL AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/259295
Kind Code:
A1
Abstract:
Provided in the present disclosure are a mobile terminal and a control method, the mobile terminal comprising: an audio codec and a control chip. The audio codec is provided with a sound channel output pin. The control chip is electrically connected to the audio codec, and is used during the processes of starting up and shutting down the audio codec to output a compensation voltage signal to the audio codec, such that the direct current bias voltage is 0V for the sound channel output pin of the audio codec during the processes of starting up and shutting down.
Inventors:
XU MINGJUN (CN)
Application Number:
PCT/CN2020/095530
Publication Date:
December 30, 2020
Filing Date:
June 11, 2020
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04R1/10
Foreign References:
| CN110267142A | 2019-09-20 | |||
| CN101132172A | 2008-02-27 | |||
| CN104378715A | 2015-02-25 | |||
| CN102984626A | 2013-03-20 | |||
| US20170230023A1 | 2017-08-10 | |||
| CN104244141A | 2014-12-24 |
Other References:
See also references of EP 3993438A4
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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