专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20090281718A1 PREDICTIVE DOWNLOADING OF MAP DATA 审中-公开
标题翻译：预测下载地图数据
公开(公告)号：US20090281718A1
公开(公告)日：2009-11-12
申请号：US12354213
申请日：2009-01-15
申请人： Christophe Gibran , Robert Watt , Michael J. Crowley
发明人： Christophe Gibran , Robert Watt , Michael J. Crowley
IPC分类号： G01C21/36
CPC分类号： G01C21/32
摘要： A method of requesting map data by a wireless communications device entails steps of predicting a future area of interest for which map data may be required, downloading the map data for the future area of interest, and then caching the map data for the future area of interest. Cached map data is thus available for rendering when the device moves into the future area of interest, thus expediting the generation of onscreen maps. Predicting the future area of interest can be accomplished, for example, by determining the direction of travel, by identifying a roadway upon which the device user is travelling, or by identifying a programmed route in a navigation application.
摘要翻译：由无线通信设备请求地图数据的方法需要预测可能需要哪个地图数据的未来兴趣区域的步骤，下载未来区域的地图数据，然后缓存未来区域的地图数据利益。因此，当设备移动到未来感兴趣的区域时，缓存的地图数据可用于呈现，从而加速生成屏幕地图。预测未来感兴趣的领域可以例如通过确定行驶方向，通过识别设备用户正在行驶的道路，或通过在导航应用中识别编程的路线来实现。

IPRDB

热门服务

关于我们

友情链接

联系方式