Employing Position Determining Equipment Patents (Class 701/408)
- Including route searching or determining (Class 701/410)
- Having audio or visual route guidance (Class 701/431)
- Having location correction (Class 701/445)
- Updating existing user map database (Class 701/450)
- Having particular presentation of location along with data from map database (Class 701/454)
- Including map data storage or retrieval (Class 701/461)
- Having accuracy improvement of position or location (Class 701/469)
- Plural object location determination (e.g., fleet, etc.) (Class 701/482)
- Multi-mode (e.g., stand alone/network assisted, etc.) (Class 701/483)
- Having communication link to external ground site (Class 701/484)
- Having security processing (e.g., password, encryption, etc.) (Class 701/486)
- User interface (Class 701/487)
- Using vector processing (Class 701/489)
- Having power conservation (Class 701/490)
- Portable (Class 701/491)
- Having correction by non-inertial sensor (Class 701/501)
- Using four or more accelerometers (Class 701/502)
- Including Doppler effect in inertial sensing signal processing (Class 701/503)
- Including gravitational effect in inertial sensing signal processing (Class 701/504)
- Having error correction of inputs to or outputs from an inertial sensing device (Class 701/505)
- Including matrix processing (Class 701/511)
- Including vector processing (Class 701/512)