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Mobile phone and working method thereof

A mobile phone and microphone technology, applied in telephone communication, transducer acoustic response prevention, branch office voice amplifier, etc., can solve problems such as howling and echo affecting call quality, achieve improved call sound quality, and have a wide range of applications

Inactive Publication Date: 2011-09-21
SHANGHAI SIMCOM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defect that the mobile phone in the prior art often affects the call quality due to howling and echo in the hands-free call mode, and to provide a mobile phone that can prevent the mobile phone from producing howling in the hands-free call mode. and Echo phones and how they work

Method used

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  • Mobile phone and working method thereof
  • Mobile phone and working method thereof

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Embodiment Construction

[0026] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0027] In order to prevent the mobile phone from howling and echoing in the hands-free call mode, the present invention adopts a dual-microphone design, that is, a first microphone is installed at the bottom of the main board of the mobile phone, which is specially used to receive people in the normal call mode of the mobile phone. Simultaneously, a second microphone is set in the middle of the main board of the mobile phone, which is specially used to receive the human voice analog signal in the hands-free mode of the mobile phone. And in order to ensure that at every moment in the call state of the mobile phone, only one microphone in the first and second microphones is in working state, that is, to realize the switching control of the first and second microphones by the processor of th...

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Abstract

The invention discloses a mobile phone, which is provided with a processor. The mobile phone further comprises a first microphone, a second microphone and an analogue switch, wherein the first microphone is arranged at the bottom of a mainboard of the mobile phone; the second microphone is arranged on the middle part of the mainboard of the mobile phone; and the analogue switch is controlled by the processor, and is used for switching the first microphone on to work in a normal call mode of the mobile phone, and switching the second microphone on to work in a hand-free call mode of the mobile phone. The invention also discloses a working method for the mobile phone. Due to the adoption of a dual-microphone design, the aim of preventing the squeal and echo of the mobile phone in the hand-free call mode is fulfilled.

Description

technical field [0001] The invention relates to a mobile phone, in particular to a mobile phone and a working method thereof. Background technique [0002] With the rapid development of mobile communications, mobile phones have become an important tool for people to communicate in daily life, but some problems encountered in actual use have always puzzled mobile phone designers. For example, when the user is in a noisy environment, or in a conference where other people are required to participate in a mobile phone conversation, it is often necessary to use the hands-free calling function of the mobile phone, but for most mobile phones, especially for some For mobile phones with loud speakers, the actual effect of hands-free calls is usually not satisfactory, and the call quality is often affected by the howling and echo generated by the mobile phone. This defect makes hands-free calls, a very user-friendly function, difficult Realize its original design intention. Content...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/60H04M1/725H04R3/02H04M1/72454
Inventor 曹洵
Owner SHANGHAI SIMCOM LTD
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