Resources Contact Us Home
Enhanced global positioning system and map navigation process

Image Number 8 for United States Patent #6415227.

An enhanced global positioning system and map navigation process, which incorporates the GPS position data and geospatial map data. This enhanced navigation process includes GPS-based efficient geospatial database access and query and a time-space filtering method to fully fuse the GPS position data and the geospatial map data to obtain enhanced navigation performance. The system features both portability and ease-of-use. It also accommodates mission specific database creation and value-adding techniques. The system includes personal navigation, land vehicle navigation, marine navigation, etc.

  Recently Added Patents
Receiver and transmitter receiver system
Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes
System and method for reducing the risks involved in trading multiple spread trading strategies
Optical power measurement method, optical line terminal and optical network unit
Multi-carrier operation for wireless systems
Lid for a container
Down-drawable, chemically strengthened glass for cover plate
  Randomly Featured Patents
System for object selection, object picking by line, object loading and object delivery using an object location identification trigger
Closure with high energy button
Method, system and computer program for installing software products based on package introspection
Surfboard having a water jet drive
Apparatus and method of utilizing waste heat from furnace combustion
Vacuum boiler type evaporator
Energy saving flourescent lamp controller
Wheel with dual density
System and method for providing a price quotation for a hybrid transportation service
Optical pickup device and recording and/or reproducing device