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    • 1. 发明公开
    • Telephone communication system and method over local area network wiring
    • 用于经由本地网络电缆的信息装置和数字设备耦合的电路装置
    • EP2209293A1
    • 2010-07-21
    • EP10154822.0
    • 2001-05-01
    • MOSAID Technologies Incorporated
    • Binder, Yehuda
    • H04M11/06
    • H04L5/20H04B3/542H04L12/66H04L2012/6421H04L2012/6424H04L2012/644H04M11/062H04M11/066Y10S439/95Y10T307/297
    • The invention relates to a circuit arrangement for coupling an information device and a digital device to a local area network cable having at least first and second twisted wire pairs, and simultaneously carrying a two-way digital data signal and an information signal, the circuit arrangement comprising:
      a first local area network connector connectable to the local area network cable;
      a second local area network connector connectable to a digital device for coupling the two-way digital data signal to the digital device; and
      an information connector couplable to the information device for coupling the information signal to the information device,

      wherein each of the first and second twisted pairs is operative to carry a digital data signal, and the at least two twisted pairs cooperatively form a phantom channel operative to carry the information signal.
    • 本发明涉及一种电路装置,用于耦合到信息装置和数字设备向局域网电缆具有至少第一和第二扭绞线对,并同时执行一个双向数字数据信号和信息信号,该电路装置 包括:第一局域网络连接器连接到所述局域网电缆; 第二局部区域网络连接器连接到用于双向数字数据信号到数字设备耦合的数字设备; 和信息连接器可连接到用于信息信号耦合到所述信息设备,worin每个第一和第二扭绞线对的信息装置可操作以携带的数字数据信号,并且所述至少两对双绞线配合形成幻象信道操作 携带信息的信号。
    • 5. 发明公开
    • Network for transmitting isochronous-source data with a frame structure
    • Netz zurÜbertragungvon isochronen Quellendaten mit einer Rahmenstruktur。
    • EP0596652A1
    • 1994-05-11
    • EP93308572.2
    • 1993-10-27
    • NATIONAL SEMICONDUCTOR CORPORATION
    • Edem, Brian C.Worsley, Debra J.
    • H04L12/64H04L12/44H04J3/06
    • H04L12/44H04L12/6418H04L2012/6427H04L2012/6437H04L2012/644H04L2012/6448H04L2012/6459
    • A data communication system, such as a local area network, is provided with a capability of transmitting isochronous data. Preferably the system conveys both isochronous data and non-isochronous data by time-multiplexing the data into a recurring frame structure on a four-bit nibble basis. Bandwidth available for a particular isochronous source/sink is selectable and sustainable with a predefined granularity. Data rates can be adjusted by using "rate adjustment" time slots which can transmit data in some frames and "no data" in other frames. A particular time frame or template is provided which accommodates isochronous data, non-isochronous data, D channel data, maintenance data and frame synchronization signals. Non-isochronous operation and bandwidth allocation is independent and transparent to the isochronous data activity. Frame timing can be coordinated with one or more reference clock signals, e.g., from a public telephone or wide area network. A buffer can convert between the source/sink or hub circuitry data rates and the data rates for transmission over the physical media which, for a given type of data, is discontinuous on a small time scale.
    • 诸如局域网的数据通信系统被提供有传输等时数据的能力。 优选地,系统通过以四位半字节的方式将数据进行时分复用为循环帧结构来传送同步数据和非等时数据。 可用于特定等时源/宿的带宽可以预定义的粒度来选择和持续。 可以通过使用“速率调整”时隙来调整数据速率,这些时隙可以在某些帧中传输数据,而在其他帧中可以传送“无数据”。 提供了一个特定的时间框架或模板,它容纳同步数据,非等时数据,D信道数据,维护数据和帧同步信号。 非同步操作和带宽分配对于同步数据活动是独立且透明的。 帧定时可以与一个或多个参考时钟信号协调,例如来自公共电话或广域网。 缓冲器可以在源/汇或集线器电路数据速率和数据速率之间进行转换,以便通过物理介质进行传输,对于给定类型的数据,它们在小时间尺度上是不连续的。