Novel master control device for five-party talkback system

The utility model discloses a novel master control device for a five-party talkback system. The master control device comprises a microprocessor signal processing module, an A/D converting module, and a D/A converting module, wherein the A/D converting module and the D/A converting module are connec...

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Bibliographic Details
Main Author DENG HUIJUN
Format Patent
LanguageChinese
English
Published 25.06.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
SELECTING
TRANSMISSION
TRANSPORTING
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Summary:The utility model discloses a novel master control device for a five-party talkback system. The master control device comprises a microprocessor signal processing module, an A/D converting module, and a D/A converting module, wherein the A/D converting module and the D/A converting module are connected with the microprocessor signal processing module. The master control device is characterized in that the D/A converting module is connected with a signal amplifying processing module used for amplifying a signal to recover audio data. The signal amplifying processing module is connected with a carrier transmitting module. Since the master control device is provided with the signal amplifying processing module, audio data can be recovered by performing signal receiving and decoding, digital-to-analog conversion, and signal amplification in order that a voice transmitting process is completed and further a communication signal is transmitted. Therefore, five-party talkback for an elevator is achieved and great co
Bibliography:Application Number: CN20132851373U