System of pitch attitude symbols
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United States of America Patent
Stats
-
Feb 3, 2004
Grant Date -
Oct 10, 2002
app pub date -
Jan 23, 2002
filing date -
Jan 23, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system of pitch attitude symbols, which can be generated by a head-up display unit of an air vehicle, is provided. The system of pitch attitude symbols can be displayed by the head-up display as a virtual image in the direction of flight, behind the cockpit screen in a focal plane in front of the background. An unequivocal system of pitch attitude symbols is provided for the pilot, for a display area of an HUD, which display area is arranged below the natural horizon during neutral flight attitude of an air vehicle. Within the focal plane, the system of pitch attitude symbols comprises at least one pitch attitude representation area, arranged in perspective, which pitch attitude representation area can always be arranged parallel to the surface of the earth. The rear edge of the pitch attitude representation area is tiltably fixed in a rear edge axis and, depending on the pitch attitude of the air vehicle, the pitch attitude representation area can be tilted on the focal plane. The front edge shows the pitch attitude in relation to an angular-degree scale.
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