About 34 results
https://drivepatents.com/patents/1109636 · 4 Oct 2001
A system and method for improving the accuracy of altitude determinations in an inertial navigation system. Pressure measurements available to the inertial navigation system are used to initially calculate an estimated pressure altitude using the standard ...
https://drivepatents.com/patents/1110147 · 19 Sep 2001
The invention pertains to a method and a device for determining the distance travelled by and/or the velocity of a person travelling on foot, which at least comprises 1) obtaining samples of the acceleration of at least one part of the body of that person ...
https://drivepatents.com/patents/1111266 · 1 Aug 2001
The navigation system has a satellite navigation receiver (12) for delivering satellite navigation data and an inertia measuring device (34-38) providing inertia data which is combined with the satellite navigation data in a Kalman filter (42). The satelli...
https://drivepatents.com/patents/1113290 · 2 May 2001
The present invention discloses an improved vehicular inertial guidance navigation system, also know as a dead reckoning system for navigation of a vehicle. The inertial guidance navigation system which may be used alone or in combination with other positi...