Power supply system supplying power through headset connecting port, electronic device and headset power line

A technology of earphone interface and electronic device, which is applied in the direction of handset/earphone accessories, etc., can solve the problems of unsightly electronic device, increase the manufacturing cost of electronic device, etc., and achieve the effect of simplifying the number of interfaces

Active Publication Date: 2013-10-30
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, numerous interface designs not only make the electronic device unsightly, but also increase the manufacturing cost of the electronic device

Method used

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  • Power supply system supplying power through headset connecting port, electronic device and headset power line
  • Power supply system supplying power through headset connecting port, electronic device and headset power line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] see figure 1 , is a schematic circuit diagram of a power supply system 100 (hereinafter referred to as: power supply system 100 ) that supplies power through an earphone jack. The power supply system 100 includes an electronic device 1 and an earphone power cord 2 . The electronic device 1 includes an earphone jack 10 , the earphone power cord 2 is connected to the earphone jack 10 , and provides power for the electronic device 1 through the earphone jack 10 .

[0014] Such as figure 1 As shown, the electronic device 1 further includes a processing unit 11 , an audio codec chip 12 , a first switch K1 and a second switch K2 . The earphone interface 10 includes a left channel pin P1 , a right channel pin P2 , a ground pin P3 , a microphone pin P4 and a floating pin P5 . The audio codec chip 12 includes a left channel output pin Lout, a right channel output pin Rout and a microphone input pin Mic.

[0015] Both the first switch K1 and the second switch K2 are single-po...

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PUM

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Abstract

An electronic device comprises a headset connecting port, a processing unit, an audio encoding and decoding chip, a first selector switch and a second selector switch, wherein the headset connecting port comprises a left channel pin, a right channel pin, a grounding pin and a microphone pin, the audio encoding and decoding chip comprises a left channel output pin, a right channel output pin and a microphone input pin, the left channel output pin is in electric connection with the left channel pin, the first selector switch comprises a first static contact, a second static contact and a first movable contact, the second selector switch comprises a third static contact, fourth static contact and a second movable static, the first movable contact is connected with the right channel pin, the first static contact is connected with the right channel output pin, the second movable contact is connected with the microphone pin, the third static contact is connected with the microphone input pin, the fourth static contact is connected with a power input end of an adaptor, and the processing unit comprises a detection pin and a switch control pin. The invention further provides a power supply system supplying power through the headset connecting port and a headset power line, and the number of connecting ports of an electronic device can be reduced.

Description

technical field [0001] The invention relates to a power supply system, in particular to a power supply system powered by an earphone interface, an electronic device and an earphone power cord. Background technique [0002] As we all know, the current portable electronic devices have many interfaces, including, for example, an earphone jack, a power supply interface, and a USB interface. Obviously, numerous interface designs not only make the electronic device unsightly, but also increase the manufacturing cost of the electronic device. Contents of the invention [0003] The invention provides a power supply system, an electronic device and an earphone power cord for power supply through an earphone interface. The electronic device can be powered and charged through the earphone power cord connected to the earphone interface, thereby simplifying the number of interfaces of the electronic device. [0004] A power supply system powered by an earphone jack, including an elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/10
Inventor 刘晓峰张烨
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD
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