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    • 8. 发明授权
    • High-speed routing control system
    • 高速路由控制系统
    • US06201810B1
    • 2001-03-13
    • US08910117
    • 1997-08-13
    • Michio MasudaMotoo NishiharaMakoto Ogawa
    • Michio MasudaMotoo NishiharaMakoto Ogawa
    • H04L1256
    • H04L45/04H04L45/22H04L45/70
    • In a high-speed routing control system, plural path candidates each leading to a destination node are selected on the basis of physical connection information of links connecting respective nodes in a path candidate selection unit 11, and a path candidate containing no congestion-occurring link is specified as the optimum path from the plural path candidates selected by the path candidate selection unit 11 in an optimizing unit 12. Accordingly, even when the destination node is nearer to the self node, the optimum path selection can be performed, and a switching operation to a bypass path can be performed at high speed. In addition, the traffic amount based on topology information can be suppressed, and the large-scaling of the network can be supported.
    • 在高速路由选择控制系统中,根据路径候补选择部11中连接各节点的链路的物理连接信息和不包含拥塞发生链路的路径候选,选择各个通向目的地节点的路径候选 被指定为在优化单元12中由路径候选选择单元11选择的多路径候选的最佳路径。因此,即使当目的地节点更靠近自身节点时,也可以执行最佳路径选择,并且切换 可以高速地执行到旁路路径的操作。 此外,可以抑制基于拓扑信息的流量,并且可以支持网络的大规模化。
    • 9. 发明授权
    • Wide picture video recording/reproducing system
    • 宽画面录像/再现系统
    • US5528433A
    • 1996-06-18
    • US795467
    • 1991-11-21
    • Shigeyuki ItohAtsushi YoshiokaIwao AizawaMichio Masuda
    • Shigeyuki ItohAtsushi YoshiokaIwao AizawaMichio Masuda
    • H04N5/7826G11B20/02H04N5/92H04N5/928H04N9/79H04N5/78
    • H04N5/928H04N9/7925
    • A video tape recorder enables a normal video signal for an aspect ratio of 4:3 or a wide-picture video signal for a greater aspect ratio of, for example, 16:9 to be selectively recorded/reproduced onto and from a magnetic tape. In order to identify which of the aspect ratios the reproduced video signal is based on, a recording mode signal indicative of the aspect ratio is recorded on the magnetic tape together with the video signal. A code signal or a pilot signal is used for the recording mode signal. In the reproducing operation, the aspect ratio of a reproduced picture is recognized from the recording mode signal, and a signal indicative of the aspect ratio is delivered to an external device, such as a television set, together with reproduced video/audio signals. In a case where the reproduced picture is a wide picture and where the external device does not conform to the wide picture, the aspect ratio of the video signal is changed. A television set suited to the features of the video tape recorder is also disclosed.
    • 视频磁带录像机可使正常视频信号的纵横比为4:3,或宽画面视频信号,例如16:9的较大宽高比能够从磁带上选择性地记录/再现。 为了识别再现的视频信号基于哪一个高宽比,表示宽高比的记录模式信号与视频信号一起被记录在磁带上。 编码信号或导频信号用于记录模式信号。 在再现操作中,从记录模式信号中识别再现图像的纵横比,并且指示宽高比的信号与再现的视频/音频信号一起传送到诸如电视机的外部设备。 在再现图像是宽幅图像并且外部设备不符合宽幅图像的情况下,视频信号的宽高比被改变。 还公开了适用于录像机特征的电视机。