Integrated electronic primary flight display

Details Integrated electronic primary flight display Integrated electronic primary flight display

1993-12-30

1995-05-02

Swarthout, Brent

Communications: electrical

Aircraft alarm or indicating systems

Nonalarm flight indicator

340973, 340977, 340978, G01C 2100

Patent

active

054123828

ABSTRACT:
One side of a primary flight display has a vertical airspeed scale, a round dial display, and a window. The round dial display provides global or macro airspeed information and a digital display of a present airspeed value is provided in the window. A vertical altitude scale is located on a second side of the PFD with a second round dial located along the altitude scale. The second dial is configured to provide a predetermined amount of rotation of the pointer for a predetermined change in altitude. A second window located along the altitude scale provides a digital present value of altitude.

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Aviation Week, "New Flight Indicator Introduced", Sep. 20, 1948, p. 16, cl.340-973.
Aircraft Instrumentation, McGraw-Hill Encyclopedia of Science and Technology, pp. 286-293.

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