A buddy system for navigation devices
A combined earth-star sensor system and a method for...
A digital control system for a vibrating structure gyroscope
A gyroscope
A level with magnetic device
A map database having address points for determining...
A method and a system for height triangulation measurement
A method and device for utilizing a selectable location...
A method and machine for generating map data and a method...
A method and system for creating universal location...
A method for detecting a fault of an optical-fiber gyro, and...
A method for determining the position and/or orientation of...
A method for position-calibration of a digging assembly for...
A method for predicting navigation information in a global...
A method for transmitting location information on a digital map
A method of and a navigation device for time-dependent route...
A method of creating map data
A method of processing positioning data
A method of processing positioning data
A method of processing positioning data