Position display instrument

Details Position display instrument Position display instrument

1981-08-18

1985-06-25

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

434 3, 343451, 364449, G01C 2120, G01S 502

Patent

active

045257175

ABSTRACT:
A position display instrument for light spot display on a map of the position of vehicles, in particular aircraft or helicopters. The instrument comprises a flat map holder for accommodating and holding map sheets in an exact position, a light transmitter located below the map holder for producing a light spot on the map sheet and movable in two coordinates by positioning means, a microcomputer to which the grid coordinates of the vehicle position are applied from a navigational computer and by which the positioning means are controlled, a memory for storing map data, said memory cooperating with the microcomputer, and display means which is connected to the microcomputer and by which the map sheet or map field required for the respective grid coordinates is displayed.

REFERENCES:
patent: 3299539 (1967-01-01), Leiber
patent: 4071895 (1978-01-01), Wood et al.
patent: 4470119 (1984-09-01), Hasebe et al.

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