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Blue tooth loudspeaker

A bluetooth speaker, bluetooth technology, applied in the telephone structure, the use of the transceiver near-field transmission system, the application of the voice amplifier, etc., can solve the problem of not being able to use the Internet phone for hands-free calling, etc., and achieve the effect of good echo suppression function.

Active Publication Date: 2010-11-17
江苏常州武新产业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Though this handset device can carry out hands-free conversation by mobile phone and bluetooth mobile phone successively when car is used, can not be applicable to the hands-free conversation that carries out internet phone by computer

Method used

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  • Blue tooth loudspeaker

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] See figure 1 , the bluetooth speaker of the present invention comprises casing, panel button 2 and circuit device 3, and above-mentioned circuit device has bluetooth module 31, bluetooth antenna 32, hands-free chip 33, audio amplifier circuit 34, USB interface 35, loudspeaker 36, microphone 37 and power supply System 5, power supply system 5 has charging management circuit 52, power supply management circuit 51 and lithium battery 53; The connection is connected with the audio amplifier circuit 34, and the bluetooth antenna 32 is connected with the bluetooth module 31; the charging management circuit 52, the power supply management circuit 51 and the lithium battery 53 of the above-mentioned power supply system 5 are interconnected in sequence, and the power supply management circuit 51 is connected with the hands-free chip 33 and the lithium battery 53 respectively. Bluetooth module 31 is connected, and the USB interface 35 of circuit device 3 is connected with hands-f...

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PUM

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Abstract

The present invention relates to a communication terminal device, in particular to a Bluetooth terminal device with handfree function, which aims to provide a bluetooth loudspeaker that not only allows handfree communication in match with a bluetooth mobile phone, but also allows internet communication in coordination with a computer. The bluetooth loudspeaker has buttons and circuit device; the circuit device has a speaker, a microphone, a bluetooth module unit, a bluetooth antenna, an audio frequency amplifying circuit and a power system. The circuit also has a handfree chipset; the handfree chipset and the bluetooth module are in a biadirectional electric connection with each other; the audio frequency amplifying circuit and the microphone are respectively electrically connected with the handfree chipset. The speaker is connected with the audio frequency amplifying circuit; the bluetooth antenna is connected with the bluetooth module; the power system is respectively electrically connected with the handfree chipset and the bluetooth module.

Description

technical field [0001] The invention relates to a communication terminal device, in particular to a bluetooth terminal device with a hands-free function. Background technique [0002] Bluetooth technology, a short-distance wireless communication method, has brought great convenience to people's lives. Various communication manufacturers have made great efforts to develop corresponding Bluetooth terminal equipment and supporting devices. The most widely known ones are Bluetooth mobile phones and supporting devices. Popular application of bluetooth headset. Bluetooth headsets are easy to use and are suitable for single-person use by mobile phone users. In some occasions where multiple people need to talk at the same time, the headset cannot be used; in addition, due to the low cost of Internet calls and reliable call quality, its users are gradually increasing, and the same general callers They all use headphones with microphones to talk to each other, and it is impossible fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/02H04M3/40H04B5/02H04B5/48
Inventor 秦春达姜加伟
Owner 江苏常州武新产业投资有限公司
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