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    • 2. 发明申请
    • WIRELESS PERSONAL LOCAL AREA NETWORK
    • 无线个人本地区网络
    • WO1994015413A1
    • 1994-07-07
    • PCT/US1993012628
    • 1993-12-23
    • NORAND CORPORATIONMAHANY, Ronald, L.BUNTE, Alan, G.LUSE, Ronald, E.WEST, Guy, J.GOLLNICK, Charles, D.
    • NORAND CORPORATION
    • H04B07/204
    • H04W52/343G08C17/02G08C2201/20H04B17/0085H04B17/318H04L1/0002H04L1/0017H04L1/0025H04L1/0032H04L12/403H04L69/18H04W28/10H04W28/22H04W52/029H04W52/346H04W84/12Y02D70/142Y02D70/164
    • A transceiver apparatus (110) for creating a wireless personal local area network between a computer terminal (7) and one or more peripheral devices (9, 13, 23). A separate transceiver (110) is connected to the computer terminal (7) and to each peripheral device (9, 13, 23). The transceivers (110) can be connected to the terminal (7) or the peripheral devices (9, 13, 23) either internally or externally. A low power radio (112) is used to communicate information between the computer terminal (7) and the peripheral devices (9, 13, 23). Different transceivers (110) can be used for modifying the carrier frequency and power of the local area network. A microprocessor (120) is located inside each transceiver (110) and controls the information flow of the transceiver including the communication protocol which allows each device (7, 9, 13, 23) to know if other devices (7, 9, 13, 23) are communicating, which devices (7, 9, 13, 23) are being communicated to, and selectively address the peripheral devices (9, 13, 23). An Idle Sense communication protocol is used for information transfer between the computer terminal (7) and the peripheral devices (9, 13, 23).
    • 一种用于在计算机终端(7)和一个或多个外围设备(9,13,23)之间创建无线个人局域网的收发器设备(110)。 单独的收发器(110)连接到计算机终端(7)和每个外围设备(9,13,23)。 收发器(110)可以在内部或外部连接到终端(7)或外围设备(9,13,23)。 低功率无线电(112)用于在计算机终端(7)和外围设备(9,13,23)之间传送信息。 可以使用不同的收发器(110)来修改局域网的载波频率和功率。 微处理器(120)位于每个收发器(110)内部并且控制收发器的信息流包括通信协议,其允许每个设备(7,9,13,23)知道其他设备(7,9,13, 23)正在通信,哪个设备(7,9,13,23)被传送到,并且选择性地寻址外围设备(9,13,23)。 空闲感知通信协议用于计算机终端(7)和外围设备(9,13,23)之间的信息传输。