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    • 5. 发明申请
    • LOCATING POSITIONS ON MAPS
    • 在MAPS上定位
    • WO1997019322A1
    • 1997-05-29
    • PCT/GB1996002849
    • 1996-11-19
    • QUDOS S.A.AGNEW, Hugh, JohnPARFITT, Gwyn, David, Walter
    • QUDOS S.A.
    • G01C21/22
    • G01C21/22G09B29/106
    • In order to enable one's position to be easily found on a traditional map having its own co-ordinate system distinct from a wide-area co-ordinate system, data is associated with the map from which the relationship between the map co-ordinate system and the wide-area co-ordinate system can be determined and an apparatus is provided which has a reader (18) for reading the data associated with the map. The apparatus also has a memory (34) for storing the read data, a GPS receiver (30) for receiving transmissions from GPS satellites and determining the position of the receiving means in terms of the wide-area co-ordinate system, a processor (28) for processing the determined wide-area co-ordinate position and the stored data to determine the position of the receiving means in terms of the map co-ordinate system, and a display (24) or the like for annunciating to a user the determined map co-ordinate position. The data associated with the map preferably also includes information on the area covered by the map. The map may be one of a series of maps or part of an atlas, the data relating to all of the maps in the series or atlas.
    • 为了能够在具有与广域协调系统不同的自己的坐标系的传统地图上容易地找到位置,数据与地图相关联,地图坐标系与 可以确定广域坐标系,并且提供一种具有用于读取与地图相关联的数据的读取器(18)的装置。 该装置还具有用于存储读取数据的存储器(34),用于从GPS卫星接收传输并根据广域坐标系确定接收装置的位置的GPS接收器(30),处理器 28),用于处理所确定的广域坐标位置和存储的数据,以根据地图坐标系确定接收装置的位置;以及显示器(24)等,用于向用户通知 确定地图坐标位置。 与地图相关联的数据优选地还包括关于地图覆盖的区域的信息。 该地图可能是一系列地图或地图册的一部分,与系列或地图集中所有地图相关的数据。