HEAD UP DISPLAY MEANS FOR AIRCRAFT

A head up display system for an aircraft including means for generating a display indicating the attitude of the aircraft, the display including a reference frame (2) which takes the form of a vertically-aligned cylindrical grid consisting of lines (3) in an dial direction which are representative o...

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Bibliographic Details
Main Author DOYLE, ANTHONY JOHN R
Format Patent
LanguageEnglish
French
German
Published 16.04.1997
Edition6
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SEALS
SURVEYING
TESTING
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Summary:A head up display system for an aircraft including means for generating a display indicating the attitude of the aircraft, the display including a reference frame (2) which takes the form of a vertically-aligned cylindrical grid consisting of lines (3) in an dial direction which are representative of azimuth and circumferential lines (4) which are representative of altitude and viewed from a position (1) on the cylinder axis in a direction corresponding to the aircraft vector. A zero height datum on the reference frame may be provided, this conveniently taking the form of a shaded area (5) appearing to close in one end of the cylinder, whilst the other end (10) of the cylinder, representing the vertically upward direction, is apparently open. The display may also include circumferential markings (6,7) on the cylinder indicative of a demand height determined by the aircraft's control settings, and of the height of the aircraft. The display may also possess a central area (11) within which the said reference frame does not extend hence enabling the central area to be available for additional symbology or an unobstructed forward view.
Bibliography:Application Number: EP19950913902