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    • 1. 发明授权
    • Optical wavelength division multiplexer for coupling to data sources and
sinks, wherein at least two data sources and sinks operate with
different communication protocols
    • 用于耦合到数据源和接收器的光波分复用器,其中至少两个数据源和接收器以不同的通信协议进行操作
    • US5825949A
    • 1998-10-20
    • US832093
    • 1997-04-03
    • Michael M. ChoyPaul Eliot Green, Jr.William Eric HallFrank James JannielloJeff Kenneth KravitzKaren LiuRajiv RamaswamiFranklin Fuk-Kay Tong
    • Michael M. ChoyPaul Eliot Green, Jr.William Eric HallFrank James JannielloJeff Kenneth KravitzKaren LiuRajiv RamaswamiFranklin Fuk-Kay Tong
    • H04J14/00H04B10/155H04B10/24H04J14/02G02B6/28
    • H04J14/02H04B10/506H04B10/572
    • A wavelength division multiplexer (WDM) unit (12) includes a plurality of Input/Output cards (IOCs 14). Each IOC is bidirectionally coupled to I/O specific media (fiber or copper) and to two coaxial cables. Also bidirectionally coupled to the coaxial cables are a plurality of Laser/Receiver Cards (LRC 20). The interface between the IOCs and the LRCs is an Emitter Coupled Logic (ECL) electrical interface that is conveyed over the coaxial cables. Each LRC is bidirectionally coupled by two single mode fibers to an optical multiplexer and demultiplexer, embodied within a grating (24). An input/output port of the grating is coupled to a fiber link (28) that enables bidirectional, full duplex data communications with a second WDM. Each WDM also includes a Diagnostic Processor Card (DPC 28) that receives status signals from the IOCs and LRCs, that forwards the status signals on to an external processor, and which generates control information for the IOCs and LRCs. Each IOC is associated with one of a plurality of communications channels and includes an I/O specific media connector (30) that is coupled to an appropriate transmitter (Tx) and receiver (Rx). The I/O specific media connector, Tx and Rx are constructed and operated in accordance with the specific data stream type that is input to and output from the associated channel of the WDM. By example, a first data stream may be conveyed through an optical (fiber) conductor in accordance with an ESCON protocol at 200 Mb/s, and a second data stream may be conveyed through an electrical (copper) conductor in accordance with an ECL non-specific protocol at up to 622 MB/s.
    • 波分复用器(WDM)单元(12)包括多个输入/输出卡(IOC 14)。 每个IOC双向耦合到I / O特定介质(光纤或铜)和两根同轴电缆。 还双向耦合到同轴电缆的是多个激光/接收卡(LRC 20)。 IOC和LRC之间的接口是通过同轴电缆传送的发射极耦合逻辑(ECL)电接口。 每个LRC通过两个单模光纤双向耦合到光学多路复用器和解复用器中,体现在光栅(24)内。 光栅的输入/输出端口耦合到能够与第二WDM进行双向全双工数据通信的光纤链路(28)。 每个WDM还包括诊断处理器卡(DPC 28),其接收来自IOC和LRC的状态信号,将状态信号转发到外部处理器,并且产生IOC和LRC的控制信息。 每个IOC与多个通信信道中的一个相关联,并且包括耦合到适当的发射机(Tx)和接收机(Rx)的I / O特定媒体连接器(30)。 I / O特定媒体连接器Tx和Rx根据输入到WDM的相关信道并从其输出的特定数据流类型被构造和操作。 例如,可以根据ESCON协议以200Mb / s的速度将第一数据流传送通过光(光纤)导体,并且可以根据ECL非传输第二数据流通过电(铜)导体传送第二数据流, 特定协议高达622 MB / s。
    • 2. 发明授权
    • Identification bracelet for child and guardian matching
    • 识别手镯为儿童和监护人配对
    • US5978493A
    • 1999-11-02
    • US767730
    • 1996-12-16
    • Jeff Kenneth KravitzElaine Rivette Palmer
    • Jeff Kenneth KravitzElaine Rivette Palmer
    • G09F3/00G06K9/00B42D15/00
    • G09F3/005
    • Information including images of the parent and child are stored in an integrated circuit device in a child's watch or bracelet. The device contains write only once, non-volatile, storage and contacts for coupling the device to data entry and reader stations. At the time of entry into a protected facility, information identifying the child and guardian, along with digitized photos of the child and the guardian, are stored in the non-volatile storage at an entry station. Once the identification information is written into the device at the entry station, the child's watch or bracelet is attached with a tamper proof seal to the child in such a way that it cannot be easily removed by the child. If, while in the protected premises, the child is lost, found and taken to a security station, the watch is removed from the child and placed in the reader at that station and the information retrieved. This information is used to comfort the child by name, to contact the parents at their hotel and to verify the parents identities through their photographs when they come to pick up the child.
    • 包括父母和孩子的图像的信息存储在儿童手表或手镯中的集成电路设备中。 该设备包含只写一次,非易失性,存储和联系人,用于将设备耦合到数据输入和读取站。 在进入受保护的设施时,识别儿童和监护人的信息以及儿童和监护人的数字照片被存储在入站处的非易失性存储器中。 一旦将识别信息写入到入口处的设备中,儿童的手表或手镯就以小孩不容易去除的方式附着在防篡改密封件上。 如果在受保护的场所内,孩子丢失,被发现并被带到安全站,手表将被从小孩中取出并放置在该车站的读卡器中,并且检索到信息。 这些信息用于安抚孩子的名字,联系他们的酒店的父母,并通过他们的照片来验证父母的身份,当他们来接孩子。