利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

49 条记录 (耗时 0.049 秒)

    Information recording method and optical disk apparatus using same
    3.
    发明授权
    Information recording method and optical disk apparatus using same 失效
    信息记录方法和使用其的光盘装置

    公开(公告)号：US5333126A

    公开(公告)日：1994-07-26

    申请号：US16897

    申请日：1993-02-12

    申请人： Yasushi Fukuda ,  Hiroshi Ide ,  Atsushi Saito ,  Takeshi Maeda ,  Fumiyoshi Kirino ,  Tsuyoshi Toda

    发明人： Yasushi Fukuda ,  Hiroshi Ide ,  Atsushi Saito ,  Takeshi Maeda ,  Fumiyoshi Kirino ,  Tsuyoshi Toda

    IPC分类号： G11B7/0045 ,  G11B20/12 ,  G11B20/14 ,  G11B27/30 ,  G11B5/76 ,  G11B5/09

    CPC分类号： G11B20/1217 ,  G11B20/1426 ,  G11B27/3027 ,  G11B7/0045 ,  G11B2220/20

    摘要： When record marks are recorded on a recording medium while making a code symbol "1" of data by obtained coding write information according to a coding system having no DC free property correspond to every edge of the record marks, the recording is effected while inserting resynchronizing signals into the write information with a constant interval. For the resynchronizing signal either one selected between a first resynchronizing code pattern, in which the number of symbols "1" contained therein is even, and a second resynchronizing code pattern, in which the number of symbols "1" is odd, so that an accumulated charge obtained from the run length of the coded data approaches zero is used. Each of the first and the second resynchronizing code pattern contains at least a specified pattern, which doesn't meet the coding rule. The selection is effected by adding a run length switching code to the resynchronizing signal and by switching it to "0" or "1" depending on an output of a run length measuring circuit and a run length judging circuit. In this way it is possible to suppress fluctuations in the level of a reproduced signal obtained from the record marks recorded on the recording medium and to realize a stable data detection by using the original waveform detection method, by which the reproduced signal is converted into a binary signal by using a suitable slice level.

    摘要翻译： 当记录标记被记录在记录介质上时，通过根据不具有直流自由特性的编码系统获得的编码写入信息，使数据的代码符号“1”对应于记录标记的每个边缘，记录是在插入再同步 以恒定的间隔将信号写入信息。 对于再同步信号，其中在其中包含在其中的符号“1”的数量为偶数的第一重新同步码模式和符号“1”的数量为奇数的第二再同步码模式之间选择，使得 使用从编码数据的游程长度获得的累积电荷接近零。 第一和第二再同步代码模式中的每一个至少包含指定的模式，其不符合编码规则。 通过将游程长度切换码添加到重新同步信号并根据游程长度测量电路和游程长度判断电路的输出将其切换为“0”或“1”来进行选择。 以这种方式，可以抑制从记录在记录介质上的记录标记获得的再现信号的电平的波动，并且通过使用原始波形检测方法来实现稳定的数据检测，通过该原始波形检测方法将再现信号转换成 二进制信号通过使用合适的限幅电平。

    Traffic information aggregating apparatus
    5.
    发明申请
    Traffic information aggregating apparatus 有权
    交通信息汇总装置

    公开(公告)号：US20080151757A1

    公开(公告)日：2008-06-26

    申请号：US12003195

    申请日：2007-12-20

    申请人： Daisuke Matsubara ,  Yasushi Fukuda

    发明人： Daisuke Matsubara ,  Yasushi Fukuda

    IPC分类号： G08C15/00

    CPC分类号： H04L43/026 ,  H04L43/16 ,  Y02D50/30

    摘要： A traffic information aggregating apparatus (hereinafter an aggregating apparatus) receives traffic information from a network apparatus. The aggregating apparatus generates aggregated data in which the traffic information for each previously determined aggregation time is aggregated, and stores the aggregated data into an aggregated data management table correspondingly to an aggregation identifier. The aggregating apparatus determines, at the interval of the aggregation time, whether a difference between the aggregated data and a base value is within a previously determined range, and accumulates, in the case where it is within the range, the aggregated data to corresponding accumulated data of the aggregated data management table, and resets the aggregated data. In the case where it exceeds the range, the aggregating apparatus exports the aggregated data and/or the accumulated data of the aggregated data management table to the monitor server.

    摘要翻译： 交通信息聚合装置（以下称聚合装置）从网络装置接收交通信息。 聚合装置生成聚合数据，其中针对每个先前确定的聚合时间的交通信息进行聚合，并将聚合数据与聚合标识符相对应地存储到聚合数据管理表中。 聚合装置以聚合时间的间隔确定聚合数据和基准值之间的差是否在预先确定的范围内，并且在其范围内的情况下，将聚合数据累加到相应的累加 聚合数据管理表的数据，并重置聚合数据。 在超过该范围的情况下，聚合装置将聚合数据管理表的汇总数据和/或累计数据输出到监视服务器。