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Wireless communication system, slave wireless device and master wireless device

A technology of a wireless communication system and a wireless device, which is applied in the field of wireless communication systems and can solve the problems of inability to communicate wirelessly and to connect wirelessly.

Active Publication Date: 2020-10-23
SMC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the slave wireless device leaves the communication range of the master wireless device due to the movement of the equipment, wireless communication cannot be performed between the specific master wireless device and the slave wireless device out of communication range.
In addition, even if the slave wireless device enters the communication range of other master wireless devices, the slave wireless device that enters the communication range cannot be wirelessly connected to other master wireless devices.

Method used

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  • Wireless communication system, slave wireless device and master wireless device
  • Wireless communication system, slave wireless device and master wireless device
  • Wireless communication system, slave wireless device and master wireless device

Examples

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Embodiment Construction

[0027] Hereinafter, preferred embodiments of the wireless communication system, the slave wireless device, and the master wireless device of the present invention will be described in detail with reference to the drawings.

[0028] [1. Structure of this embodiment]

[0029] Such as Figure 1 to Figure 3 As shown, the wireless communication system 10 of this embodiment has: a plurality of master wireless devices 12; and can perform wireless communication with one master wireless device 12 ; and a computer 18 connected to a plurality of master wireless devices 12 .

[0030] figure 1 and figure 2 An example in which the wireless communication system 10 is applied to wireless communication in industrial equipment is shown in the figure. In this example, the wireless communication system 10 is applied to a conveyor line 20 of an automobile production factory. In this case, a working area 21 is provided on the conveying line 20, and in this working area 21, along the conveying...

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PUM

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Abstract

The wireless communication system (10) allows the movement of a carriage (28) or an automated conveyance vehicle (36) to which a plurality of slave wireless devices (16) and a plurality of appliances(14) are provided. A master control unit (12a) of a master wireless device (12) uses a master communication unit (12b) to transmit a cut-off request signal to a slave wireless device (16) deviating from a communication-target region (24). If a slave communication unit (16b) receives the cut-off request signal, a slave control unit (16a) of the slave wireless device (16) cuts off a wireless connection.

Description

technical field [0001] The present invention relates to a wireless communication system including a master wireless device and a plurality of slave wireless devices installed in predetermined equipment and capable of wireless communication with the master wireless device, a slave wireless device capable of wireless communication with the master wireless device, and a plurality of wireless slave devices capable of communicating with multiple wireless devices. A master wireless device that communicates wirelessly with slave wireless devices. Background technique [0002] Japanese Unexamined Patent Application Publication No. 2017-188868 discloses a wireless communication system that can communicate between the master wireless device and Wireless communication is performed between multiple slave wireless devices. [0003] In the aforementioned publication, a specific master wireless device is configured to wirelessly connect a plurality of slave wireless devices. Therefore, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/10H04W4/33H04W76/30H04W84/20
CPCH04W84/20H04W76/34H04W64/00G05B19/0421G05B2219/15117G05B2219/2231H04W4/33H04W76/10H04W76/30
Inventor 阿木智彦尾崎宪正
Owner SMC CORP