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G06G1/0005—Hand manipulated computing devices characterised by a specific application
G06G1/0052—Hand manipulated computing devices characterised by a specific application for air navigation or sea navigation
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Engineering & Computer Science
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Theoretical Computer Science
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Ocean & Marine Engineering
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Radar, Positioning & Navigation
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Physics & Mathematics
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Computer Hardware Design
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General Physics & Mathematics
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FR1022508D1950-07-261950-07-26Dispositif pour le calcul rapide de la dérive et de la vitesse réelle d'un appareil de navigation aérienne ou autre
ExpiredFR1022508A
(fr)