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1. 发明申请

WO2013075022A1 FUEL DISPENSING ENVIRONMENT UTILIZING RETROFIT BROADBAND COMMUNICATION SYSTEM 审中-公开
标题翻译：燃料调配环境利用改造宽带通信系统
公开(公告)号：WO2013075022A1
公开(公告)日：2013-05-23
申请号：PCT/US2012/065673
申请日：2012-11-16
申请人： GILBARCO, INC. , GILBARCO S.R.L.
发明人： CARAPELLI, Giovanni , LONG, Joseph D. , MCNINCH, Wayne , MYERS, Howard
IPC分类号： G06F17/00
CPC分类号： H04B3/50 , H04B3/54
摘要： A fueling environment communication system for providing high bandwidth information via existing field wiring to a plurality of forecourt devices. The communication system according to this aspect comprises a back room communication module having a first plurality of Ethernet ports for connection to external devices using Ethernet communication and a second plurality of Ethernet ports. The back room communication module further comprises a plurality of modulation interface devices each connected on a first, side to a respective one of the second plurality of Ethernet ports. A summing and isolation module having a high pass filter is connected to each of the modulation interface devices on a second side thereof to pass a modulated high frequency signal. The summing and isolation module further has a low pass filter through which low frequency legacy data can be passed and combined with said modulated high frequency signal, in addition, summing and isolation module is connectable via existing field wiring to communicate with forecourt devices in point-to-point fashion.
摘要翻译：一种加油环境通信系统，用于通过现有现场布线向多个前场设备提供高带宽信息。根据该方面的通信系统包括具有第一多个以太网端口的后室通信模块，用于使用以太网通信连接到外部设备和第二多个以太网端口。后室通信模块还包括多个调制接口设备，每个调制接口设备的第一侧连接到第二多个以太网端口中的相应一个。具有高通滤波器的求和和隔离模块在其第二侧连接到每个调制接口设备，以通过调制的高频信号。求和和隔离模块还具有低通滤波器，通过该低通滤波器可将低频遗留数据传输并与所述调制的高频信号组合，此外，求和和隔离模块可通过现有现场布线连接，以便与先验设备进行点对点连接，点对点时尚。

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