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Communication method and communication system

A communication method and technology of a communication system, which is applied in the field of communication and communication systems, and can solve the problem that the access point cannot obtain temperature data, etc.

Inactive Publication Date: 2020-05-26
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is a problem that the access point cannot acquire temperature data from the sensor device

Method used

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  • Communication method and communication system
  • Communication method and communication system
  • Communication method and communication system

Examples

Experimental program
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Embodiment approach

[0041] [1. Configuration of the transport vehicle system]

[0042] First, while referring tofigure 1 as well as figure 2 , the configuration of the transport vehicle system 4 as an application example of the communication system 2 of the embodiment will be described. figure 1 It is a figure which shows the structure of the transport vehicle system 4 which is an application example of the communication system 2 of embodiment. figure 2 yes means figure 1 A diagram of the internal structure of the terminal box 16.

[0043] Such as figure 1 As shown, the transport vehicle system 4 is a system for transporting goods by a transport vehicle 8 traveling along a guide rail 6 provided on the ceiling, for example, in an automatic warehouse or the like.

[0044] The guide rail 6 is installed, for example, in a suspended state from the ceiling of an automatic warehouse or the like. The transport vehicle 8 can receive the electric power supplied from the electric power supply device ...

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Abstract

A communication method includes: a step for switching the operation mode of a first station (28) from first operation mode to second operation mode; a step for transmitting a first signal from the first station (28) to a second station (30); a step for transmitting data from the second station (30) to the first station (28) on the basis of the first signal; a step for storing, in a storage unit (44) of the first station (28), the data which the first station (28) received from the second station (30); a step for switching the operation mode of the first station (28) from the second operation mode to the first operation mode; a step for transmitting, by means of an access point (26), a second signal to the first station (28); and a step for transmitting the data to the access point (26) onthe basis of the second signal by means of the first station (28) operating in the first operation mode, said data having been stored in the storage unit (44).

Description

technical field [0001] The present invention relates to a communication method and a communication system using a wireless network for communication. Background technique [0002] For example, in automatic warehouses and the like, transport vehicles traveling along guide rails are used to transport goods. The transport vehicle is equipped with a power receiving unit for receiving electric power in a non-contact manner by using an electromagnetic induction phenomenon from a power supply line laid along the guide rail. The transport vehicle travels along the guide rail while receiving power supply from the power supply line via the power receiving unit. [0003] Since the electric current flowing through the power supply line is very large, the terminal frame arranged at the joint part of the power supply line may generate heat and become extremely high temperature. Therefore, a sensor device including a temperature sensor for detecting the temperature of the terminal frame ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/38H04W88/04
CPCH04W88/04H04W4/40H04W4/02H04W4/80H04W4/38H04W84/20
Inventor 细渊英治桑原哲也
Owner MURATA MASCH LTD
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