About 34 results
https://drivepatents.com/patents/999299 · 15 Aug 2012
A method of operation of a navigation system includes: detecting an accelerometer acceleration, having a magnitude and a direction, for monitoring a device; receiving a first location reading for locating the device with a remote location system; determini...
https://drivepatents.com/patents/1006674 · 28 Dec 2011
A track information generating device (10) comprises a self-contained navigation track acquisition unit (21a) adapted to acquire a self-contained navigation track, a matching track acquisition unit (21b) adapted to acquire a matching track, and to acquire ...
https://drivepatents.com/patents/1008474 · 19 Oct 2011
An inertial navigation system (INS) includes a primary inertial navigation system (INS) unit configured to receive accelerometer measurements from an accelerometer and angular velocity measurements from a gyroscope. The primary INS unit is further configur...
https://drivepatents.com/patents/1009739 · 31 Aug 2011
A mobile navigation device operating in a first mode and a second mode is provided. In the first mode, a satellite positioning module is activated while a dead reckoning module is disabled. A processor calculates the coordinates of the mobile navigation de...
https://drivepatents.com/patents/1014689 · 23 Mar 2011
The system (1) has an extended Kalman filter (KE1) comprising an extended state vector with a part representing a gap between a first elementary hybrid solution (PPVl 1) and a second elementary hybrid solution. An extended calculation module (100) receives...
https://drivepatents.com/patents/1069612 · 1 Mar 2006
Method for calibrating a gyroscope in a locating module of a moving system has the following steps: a data set history is created containing a time series of measured movement directions including their estimated errors and gyroscope measurement values; at...
https://drivepatents.com/patents/1079692 · 2 Mar 2005
The present invention relates to a GPS/dead-reckoning combination system and an operation method of the same. The GPS/dead-reckoning combination system includes a GPS receiver that receives an absolute position data of a moving unit from a GPS; an inertia ...
https://drivepatents.com/patents/1079856 · 23 Feb 2005
The present invention relates to terrain navigation wherein an earth-reflected satellite signal is received from at least one reference signal source whose position is known (120), for example a navigation satellite. Based on information contained in the r...
https://drivepatents.com/patents/1106879 · 6 Feb 2002
A method of correcting a present position of a movable body onto a position on a route (RD), where said movable body is supposed to exist, corresponding to the present position for use in a navigation system (S) for navigating said movable body, characteri...
https://drivepatents.com/patents/1108701 · 14 Nov 2001
A method for use in vehicle attitude determination includes generating GPS attitude solutions for a vehicle using three or more antennas receiving GPS signals from two or more space vehicles. An inertial navigation system is initialized by setting the atti...