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A power supply system, a power supply method, and an integrated transmitting and receiving telephone system

A power supply system, technology for sending and receiving calls, applied in the field of voice communication, can solve the problems of impossible circuit switching operation, inability to ensure internal circuit power supply, etc., and achieve the effect of simple circuit structure

Active Publication Date: 2016-11-23
九音科技(南京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such a case, power supply to internal circuits cannot be ensured, with the result that circuit switching operations become impossible

Method used

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  • A power supply system, a power supply method, and an integrated transmitting and receiving telephone system
  • A power supply system, a power supply method, and an integrated transmitting and receiving telephone system

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Embodiment Construction

[0030] Such as figure 1 Shown is the first embodiment of the power supply system of the present invention, which can be used in the integrated transmitting and receiving device 11. The power supply system may include an input and output interface 13, a switching controller 12, and an amplifier circuit. The switching is controlled by a switching signal. The microphone terminal 132 or the PTT terminal 133 supplies power to the switching controller 12 and the amplifier A1, thereby integrating The transmitting and receiving device 11 does not require an additional power source, and has the advantages of simple circuit structure and convenient application.

[0031] The integrated transmitting and receiving device 11 includes a transmitting mode and a receiving mode for switching work. It can be an in-ear headset with microphone and speaker functions. It can be directly put into a person's ear canal and conduct sound waves through the air in the ear canal. . When receiving a call, it ...

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Abstract

The invention relates to a power supply system, a power supply method and an integrated transmitter-receiver system. The power supply system comprises an input and output interface, a switching controller and an amplification circuit; the input and output interface comprises a loudspeaker terminal, a microphone terminal, a PTT terminal and a grounding terminal; an output end of an amplifier of the amplification circuit is connected with the microphone terminal; an input end of the amplifier is connected with the switching controller; a power end of the amplifier is connected with the microphone terminal, and a power source is switched in based on a switching signal; a power end of the switching controller is connected with the microphone terminal and the PTI terminal; the power source is switched in from the microphone terminal or the PTT terminal based on the switching signal. An integrated transmitter-receiver device is selectively communicated with the loudspeaker terminal or the input end of the amplifier through the switching controller, so that switching of a working state of a reception mode or a transmission mode is realized. Switching is controlled through the switching signal, and the microphone terminal or the PTT terminal supplies power to the switching controller and the amplifier, so that advantages of a simple circuit structure, application convenience, ultra-low power consumption and the like are obtained.

Description

Technical field [0001] The present invention relates to the field of voice communication, and more specifically, to a power supply system, a power supply method and an integrated call transmission and reception system for an integrated transmission and reception device. Background technique [0002] Voice calls are the most basic way of human communication. Usually people use intercoms, mobile phones, telephones and other communication devices to make calls. It is more common to set up speakers and microphones separately to realize the functions of sending and receiving calls and realize voice calls. [0003] However, loudspeaker calls are susceptible to environmental interference and are not sufficiently private. Therefore, many communication devices will be equipped with a headset interface. The call can be made by connecting to a split headset, thereby avoiding voice loudspeaking and improving the call. quality. [0004] However, in some special occasions, such as meeting venues...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R3/00
Inventor 熊文聪孙晓红黄光丽吕玲李文涛陈明芳
Owner 九音科技(南京)有限公司
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