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    • 24. 发明授权
    • Map update server, map update system, and car navigation system
    • 地图更新服务器,地图更新系统和汽车导航系统
    • US09304004B2
    • 2016-04-05
    • US12356892
    • 2009-01-21
    • Yukihiro KawamataYukio MiyazakiTakayuki Uchida
    • Yukihiro KawamataYukio MiyazakiTakayuki Uchida
    • G01C21/32
    • G01C21/32
    • An update information providing server for providing data of an updated portion in map data composed of plural kinds of the data includes: a map data storage unit configured to store incremental update data of a difference between the data at a predefined time and newest data, and a data size of the incremental update data; an update request receiving unit configured to receive from a user terminal a map data update request including a capacity of a recording medium, and priority information for specifying a data kind of the data to be preferentially updated; an update order information making unit configured to make update order information; an update information transmission unit configured to extract the incremental update data from the storage unit, to make update information including the extracted incremental update data and the update order information, and to transmit the made update information to the user terminal.
    • 用于提供由多种数据构成的地图数据中的更新部分的数据的更新信息提供服务器包括:地图数据存储单元,被配置为存储预定时间的数据与最新数据之间的差异的增量更新数据,以及 增量更新数据的数据大小; 更新请求接收单元,被配置为从用户终端接收包括记录介质的容量的地图数据更新请求以及用于指定要优先更新的数据的数据种类的优先级信息; 更新顺序信息制作单元,被配置为进行更新顺序信息; 更新信息发送单元,其被配置为从存储单元提取增量更新数据,以生成包括所提取的增量更新数据和更新顺序信息的更新信息,并将所作更新信息发送到用户终端。
    • 26. 发明申请
    • Method of delivering difference map data
    • 提供差异地图数据的方法
    • US20060095202A1
    • 2006-05-04
    • US11262946
    • 2005-11-01
    • Yoshitaka AtarashiYukihiro KawamataMariko OkudeYukio Miyazaki
    • Yoshitaka AtarashiYukihiro KawamataMariko OkudeYukio Miyazaki
    • G01C21/32
    • G01C21/32G06F17/30241
    • The present invention provides, in a car navigation system, a unit of notifying a user of the update contents of map data prior to the downloading of the map data. A vehicle-mounted terminal sets a difference update area in accordance with a selection made by a user and sends a difference update request to a map updating server. If an update mode in this case is “update after outline display”, the vehicle-mounted terminal downloads an outline update map from the map updating server. The outline update map is displayed on a display unit of a display. Here, when a download start button displayed on the display unit is depressed, the vehicle-mounted terminal downloads a detailed update map from the map updating server. The detailed update map is then displayed on the display unit of the display. Furthermore, an updating process is performed on the map data stored in a terminal DB.
    • 本发明在汽车导航系统中提供在下载地图数据之前向用户通知地图数据的更新内容的单元。 车载终端根据用户进行的选择来设定差异更新区域,并将差分更新请求发送给地图更新服务器。 如果这种情况下的更新模式是“轮廓显示后更新”,则车载终端从地图更新服务器下载轮廓更新映射。 轮廓更新图显示在显示器的显示单元上。 这里,当按下显示单元上显示的下载开始按钮时,车载终端从地图更新服务器下载详细的更新地图。 然后将详细的更新图显示在显示器的显示单元上。 此外,对存储在终端DB中的地图数据执行更新处理。
    • 29. 发明授权
    • Synchronized clock generating apparatus
    • 同步时钟发生装置
    • US5491438A
    • 1996-02-13
    • US289837
    • 1994-08-12
    • Yukio MiyazakiTakenori OkitakaMakoto HatakenakaJunji Mano
    • Yukio MiyazakiTakenori OkitakaMakoto HatakenakaJunji Mano
    • G06F1/10H03K5/00H03K5/13H04L7/033H03L7/00
    • H04L7/0338G06F1/10H03K5/133H03K2005/00234
    • A synchronized clock generating apparatus includes a delayed clock generating circuit including a plurality of serially connected delaying elements for generating delayed clock signals delayed successively relative to an incoming basic clock signal. Storage means includes a plurality of storage elements storing therein a predetermined level in response to transitions occurring in associated ones of said basic and delayed clock signals after a trigger signal which is asynchronous with the basic clock signal is applied thereto. A clock selection logic circuit is controlled by the output signal of the storage means for detecting the clock signal transition occurring closest in time to the application of the asynchronous trigger signal, and for selecting a desired one of said clock signals, based on the result of the detection, as a synchronized clock signal output.
    • 同步时钟发生装置包括延迟时钟产生电路,其包括多个串行连接的延迟元件,用于产生相对于输入的基本时钟信号连续延迟的延迟时钟信号。 存储装置包括多个存储元件,其中,在施加与基本时钟信号异步的触发信号之后,响应于在相关联的所述基本和延迟的时钟信号中发生的转换,存储其中的预定电平。 时钟选择逻辑电路由存储装置的输出信号控制,用于检测在施加异步触发信号时在时间上最近发生的时钟信号转换,并且基于所述时钟信号的结果来选择期望的一个时钟信号 检测,作为同步时钟信号输出。