Handheld Devices and Methods for Extracting Data
    21.
    发明申请
    Handheld Devices and Methods for Extracting Data 有权
    手持设备和提取数据的方法

    公开(公告)号:US20100016016A1

    公开(公告)日:2010-01-21

    申请号:US12405937

    申请日:2009-03-17

    摘要: The present invention relates generally to handheld devices and using such to extract identifying data. One claim recites a handheld wireless device including: an input for receiving a subset of database information; electronic memory for storing the retrieved subset of database information, the handheld device including an input device; an optical imaging device for capturing a portion of a map, the portion of the map including at least one steganographic watermark hidden therein through alterations to data representing the portion, the alterations being generally imperceptible to a human observer of the portion of the map, the steganographic watermark including map location information; an electronic processor configured to: determine which information of the retrieved subset of the database information corresponds to the map location information; and control providing corresponding retrieved subset database information. Other claims and combinations are provided as well.

    摘要翻译: 本发明一般涉及手持设备并且使用其来提取识别数据。 一个权利要求记载手持式无线设备,包括:用于接收数据库信息的子集的输入; 用于存储检索到的数据库信息的子集的电子存储器,所述手持设备包括输入装置; 用于捕获地图的一部分的光学成像装置,所述地图的部分包括通过对表示所述部分的数据的改变而隐藏在其中的至少一个隐写水印,所述改变通常对所述地图的该部分的人的观察者是不可察觉的, 隐写水印包括地图位置信息; 电子处理器,被配置为:确定所检索的数据库信息的子集的哪个信息对应于地图位置信息; 并且控制提供对应的检索到的子集数据库信 还提供了其他权利要求和组合。