USB and audio multiplexing line and Bluetooth sound box circuit

USB and audio multiplexing line and Bluetooth sound box circuit

The utility model discloses a USB and audio multiplexing line and a Bluetooth sound box circuit. One end of the multiplexing line is provided with a USB-A type interface and a three-part earphone plug, and the other end of the multiplexing line is provided with a mini-USB type interface. The VCHG pi...

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Hauptverfasser: MEI JUNMING, YUAN CHUANQI, CHEN ZHIJUN, YU HAIBING, WU WEIBO
Format: Patent
Sprache:eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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creator MEI JUNMING
YUAN CHUANQI
CHEN ZHIJUN
YU HAIBING
WU WEIBO
description The utility model discloses a USB and audio multiplexing line and a Bluetooth sound box circuit. One end of the multiplexing line is provided with a USB-A type interface and a three-part earphone plug, and the other end of the multiplexing line is provided with a mini-USB type interface. The VCHG pin, DM pin, DP pin and GND pin of the USB-A type interface are respectively connected with the first pin, second pin, third pin and fifth pin of the mini-USB type interface. The fourth pin and fifth pin of the mini-USB type interface are respectively connected with the L pin and GND pin of the three-part earphone plug, or the fourth pin and fifth pin of the mini-USB type interface are respectively connected with the R pin and GND pin of the three-part earphone plug. Through the technical scheme of the utility model, the multiplexing line can achieve the transmission of a USB signal and the transmission of an audio signal, and is in favor of reducing the wiring between a cellphone, an MP3 and the like and sound box equipment.
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title USB and audio multiplexing line and Bluetooth sound box circuit
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