Substation for detecting position of coal mine underground person

Substation for detecting position of coal mine underground person

The invention relates to a substation for detecting the position of a coal mine underground person, which comprises a central processing unit, wherein the central processing unit is connected with a low-frequency signal transmitting module and a low-frequency signal receiving module; the low-frequen...

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1. Verfasser: SONG FUQUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator SONG FUQUN
description The invention relates to a substation for detecting the position of a coal mine underground person, which comprises a central processing unit, wherein the central processing unit is connected with a low-frequency signal transmitting module and a low-frequency signal receiving module; the low-frequency signal transmitting module is used for covering a card reading area with a 315MHz low-frequency signal, and an identifying card listens to a command of the detecting substation every four seconds; the low-frequency signal receiving module is used for receiving the low-frequency signal which is transmitted to the detecting substation by the identifying card entering the card reading area; the central processing unit is also connected with a high-frequency signal transmitting module and a high-frequency signal receiving module; the high-frequency signal transmitting module is used for transmitting a high-frequency signal with the size of 2.4G to the identifying card entering the card reading area; the high-frequen
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language chi ; eng
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subjects CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title Substation for detecting position of coal mine underground person
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