Mechanical pointer drive for avionics display

Details Mechanical pointer drive for avionics display Mechanical pointer drive for avionics display

1996-09-05

2000-01-25

Lee, Benjamin C.

Communications: electrical

Aircraft alarm or indicating systems

Nonalarm flight indicator

324160, 324175, 116284, 701215, 701 14, 701213, 342357, 342359, 33363R, 33320, 364565, 364566, 364559, G01C 2100

Patent

active

060183020

ABSTRACT:
An avionics display (10) for use in an aircraft navigation system including a navigation receiver. The avionics display (10) includes a needle (12) for indicating the position, heading, glide slope or other navigational parameter of the aircraft and a stepper motor (14) coupled with the needle and responsive to the navigation receiver for driving the needle in response to the navigation signals received by the receiver. The stepper motor drives the needle at a much higher torque than prior art displays and is therefore less sensitive to contaminates and magnetic interference and is less fragile.

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patent: 5259333 (1993-11-01), Iino
patent: 5341681 (1994-08-01), Molny
patent: 5617317 (1997-04-01), Ignagni

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