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    • 3. 发明授权
    • Audio-video and control interfaces for multi-media personal computer
packet communication
    • 用于多媒体个人计算机分组通信的音视频和控制接口
    • US5699359A
    • 1997-12-16
    • US456625
    • 1995-06-01
    • Takaaki Suga
    • Takaaki Suga
    • H04N7/14H04L12/64H04L12/70H04L12/951H04N21/643H04Q3/00H04J3/24
    • H04L12/5601H04L12/6402H04L49/1553H04L49/30H04L49/3009H04N21/4108H04N21/4143H04N21/43615H04N21/4363H04N21/44231H04N21/64307H04N7/52H04L2012/5615H04L2012/5616H04L2012/5652H04L2012/5664H04L2012/5671
    • A multimedia communications apparatus allows a multimedia personal computer to freely select a unit with which to communicate, so that the circuit usage efficiency of a network connected to the multimedia communications apparatus will be increased. The multimedia communications apparatus has a packet generator/separator, a packet type detector, a controller, and a table. The table stores data representing the correspondence between addresses of interfaces of the multimedia personal computer and AV devices and addresses thereof on the network. For communications, the controller refers to the table to establish logic paths from a unit with which to communicate and a transmission range depending on multimedia such as moving-image data, sound data, or the like to be transmitted, and rewrites the headers of packets based on the established logic paths. The packet type detector captures empty packets required for each session of communications, and the packet generator/separator updates a destination unit address, inserts multimedia information, and transmits the packets to the destination unit address. Upon completion of the transmission, the packet generator/separator releases the packets from the dedicated state.
    • 多媒体通信装置允许多媒体个人计算机自由地选择要与之通信的单元,从而增加连接到多媒体通信装置的网络的电路使用效率。 多媒体通信装置具有包发生器/分离器,包类型检测器,控制器和表。 该表存储表示多媒体个人计算机和AV设备的接口的地址与网络上的地址之间的对应关系的数据。 对于通信,控制器参考该表来建立来自要进行通信的单元的逻辑路径和取决于要发送的诸如运动图像数据,声音数据等的多媒体的传输范围,并且重写分组的报头 基于既定的逻辑路径。 分组类型检测器捕获每个通信会话所需的空分组,并且分组生成器/分离器更新目的地单元地址,插入多媒体信息,并将分组发送到目的地单元地址。 在传输完成时,分组生成器/分离器从专用状态释放分组。
    • 4. 发明授权
    • Communications system between LAN's of different types
    • LAN之间的通信系统不同类型
    • US5315582A
    • 1994-05-24
    • US752549
    • 1991-09-25
    • Toshiaki MorizonoTakaaki Suga
    • Toshiaki MorizonoTakaaki Suga
    • H04L12/46H04J3/14
    • H04L12/4616H04L2212/00
    • A communications system between LANs of different types constituted of a backbone LAN (1) and a plurality of branch LANs (7, 7') connected to said backbone LAN (1) through a node (2A, 2B, 2C, 2D). A branch LAN frame (30) delivered from a terminal (8, 9, 10, 15, 18, 21) is incorporated into a backbone LAN frame (40) in the node (2A, 2B, 2C, 2D), and in response to the incorporation, the address of the adjoining node on the downstream side of its own node is given to the backbone LAN frame (40), and thus, the backbone LAN frame (40) is transmitted through the backbone LAN (1). Each node (2A, 2B, 2C, 2D), when the address in the backbone LAN frame (40) agrees with its own address, separates the branch LAN frame (30) from the backbone LAN frame (40).
    • PCT No.PCT / JP91 / 00081 Sec。 371日期1991年9月25日 102(e)1991年9月25日PCT 1991年1月25日PCT PCT。 公开号WO91 / 11869 日期:1991年8月8日。一种不同类型的LAN之间的通信系统,由通过节点(2A,2B)连接到所述主干LAN(1)的主干LAN(1)和多个分支LAN(7,7')构成 ,2C,2D)。 从终端(8,9,10,15,18,21)发送的分支LAN帧(30)被并入到节点(2A,2B,2C,2D)中的主干LAN帧(40)中,并且作为响应 将其自身节点的下游侧的邻接节点的地址赋予骨干LAN帧(40),从而通过骨干LAN(1)发送骨干LAN帧(40)。 当骨干LAN帧(40)中的地址与其自己的地址一致时,每个节点(2A,2B,2C,2D)将分支LAN帧(30)与骨干LAN帧(40)分离。