Data search apparatus and method, navigation apparatus and method, data set and computer program product for data search
    1.
    发明申请
    Data search apparatus and method, navigation apparatus and method, data set and computer program product for data search 审中-公开
    数据搜索装置和方法,导航装置和方法,数据集和用于数据搜索的计算机程序产品

    公开(公告)号:US20050021510A1

    公开(公告)日:2005-01-27

    申请号:US10895106

    申请日:2004-07-21

    摘要: A data search apparatus (200) for searching a general data list for desired spot data indicating a desired spot, the general data list comprising: original data (211) including a plurality of original spot data each indicating a spot on a map; and difference data (212) including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising: a first acquirement device (201) for acquiring at least one of the plurality of original spot data; a second acquirement device (202) for acquiring the update spot data from the difference data; and a data output device (203) for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data including the desired spot data.

    摘要翻译: 一种数据搜索装置,用于搜索通用数据列表以获得指示所需点的所需点数据,所述通用数据列表包括:原始数据(211),包括多个原始点数据,每个原始点数据指示地图上的点; 和差分数据(212),包括指示基于原始数据更新的更新点的至少一个更新点数据,所述数据搜索装置包括:第一获取装置(201),用于获取所述多个 原始数据; 第二获取装置(202),用于从差分数据中获取更新点数据; 以及数据输出装置(203),用于将由所述第二获取装置获取的更新点数据与由所述第一获取装置获取的原始点数据组合并输出包括所需点数据的组合数据。