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    • 1. 发明申请
    • Wireless Local Area Network (LAN) System
    • 无线局域网(LAN)系统
    • US20100214999A1
    • 2010-08-26
    • US12599104
    • 2008-04-17
    • Hiroaki KuboMasakuni OkadaTakehito SakuragiKazuto Yamafuji
    • Hiroaki KuboMasakuni OkadaTakehito SakuragiKazuto Yamafuji
    • H04W84/02
    • H04W56/001H04W24/04H04W40/34H04W84/20
    • A situation is circumvented where wireless communication becomes impossible in a wireless LAN system under the influence of a blocking object, noise caused by an electromagnetic wave, or the like. A wireless LAN system comprises: a relay which can communicate with an external system; a master which can communicate with the relay; and a plurality of slaves which can wirelessly communicate with the master, the plurality of slaves including a first group and a second group, the first group comprising an alternative slave having a function of transmitting, when a portion of the slaves cannot receive a synchronization signal from the master, an information signal received from the master to the portion of slaves, and the second group comprising non-alternative slaves and not having the function of transmitting the information signal to the portion of slaves.
    • 在阻塞对象的影响,电磁波引起的噪声等的无线LAN系统中无法进行无线通信成为不可能的情况。 无线LAN系统包括:可与外部系统通信的中继器; 可与继电器通讯的主机; 以及可以与主机无线通信的多个从机,所述多个从机包括第一组和第二组,所述第一组包括备用从机,其具有当从机的一部分不能接收同步信号时发送的功能 从主设备接收从主设备到从站部分的信息信号,第二组包括非替代从设备,并且不具有将信息信号发送到从站部分的功能。
    • 2. 发明授权
    • Wireless local area network (LAN) system
    • 无线局域网(LAN)系统
    • US08488496B2
    • 2013-07-16
    • US12599104
    • 2008-04-17
    • Hiroaki KuboMasakuni OkadaTakehito SakuragiKazuto Yamafuji
    • Hiroaki KuboMasakuni OkadaTakehito SakuragiKazuto Yamafuji
    • H04L12/16H04J3/06
    • H04W56/001H04W24/04H04W40/34H04W84/20
    • A situation is circumvented where wireless communication becomes impossible in a wireless LAN system under the influence of a blocking object, noise caused by an electromagnetic wave, or the like. A wireless LAN system comprises: a relay which can communicate with an external system; a master which can communicate with the relay; and a plurality of slaves which can wirelessly communicate with the master, the plurality of slaves including a first group and a second group, the first group comprising an alternative slave having a function of transmitting, when a portion of the slaves cannot receive a synchronization signal from the master, an information signal received from the master to the portion of slaves, and the second group comprising non-alternative slaves and not having the function of transmitting the information signal to the portion of slaves.
    • 在阻塞对象的影响,电磁波引起的噪声等的无线LAN系统中无法进行无线通信成为不可能的情况。 无线LAN系统包括:可与外部系统通信的中继器; 可与继电器通讯的主机; 以及可以与主机无线通信的多个从机,所述多个从机包括第一组和第二组,所述第一组包括备用从机,其具有当从机的一部分不能接收同步信号时发送的功能 从主设备接收从主设备到从站部分的信息信号,第二组包括非替代从设备,并且不具有将信息信号发送到从站部分的功能。