Importance

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Abstract

A combined navigational and display system for a person including a helmet carrying apparatus for communication, storage and processing of information and for the visual display of information. The navigational system is based on an electromagnetic field generated at sufficiently high frequency preferably by intermediate reference stations. Preferably, the display is part of a flip-up/down visor stereographically showing a local map generated by an information storage device, and the display shows the location of the person on the map as well as the coordinates of that location on the map. The same system can be used by a person in a vehicle for navigational systems using lower carrier frequencies, the antenna and all communication and information storage and processing equipment being mounted on the vehicle and a wireless link being provided between the equipment mounted in the vehicle and the display apparatus mounted in the helmet or the equipment transmits directly to a vehicle mounted display.

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First Claim