Conformal head-up display

Details Conformal head-up display Conformal head-up display

1984-05-02

1985-11-19

Crosland, Donnie L.

Communications: electrical

Aircraft alarm or indicating systems

Nonalarm flight indicator

340951, 340973, 364428, 343409, G08G 500, G01S 116

Patent

active

045545456

ABSTRACT:
A system for providing a Head-Up Display (HUD) on board an aircraft to assist a pilot in guiding the aircraft. The display is positioned in the pilot's normal line of sight. In one mode it utilizes a radio beam landing system such as an ILS (Instrument Landing System) to generate symbols that correspond to visual ground cues which, together with an aircraft symbol display, provide the pilot with cues for aligning the aircraft on the appropriate path for approach and landing. The system moves the aircraft symbol in accordance with motion changes of the aircraft. During a landing approach the pilot "flies" the aircraft symbol relative to the simulated and/or real ground cues. By making the HUD correspond with ground cues, the abrupt transition from instrumented to visual flight is eliminated. At altitudes below which available ILS is not acceptable, the system provides a smooth transition to a mode independent of ILS and then to a flare mode. The system also includes a mode that is totally independent of any ground installation. The system also provides an altitude hold mode with a smooth transition to the approach mode.

REFERENCES:
patent: 3324471 (1967-06-01), Rover
patent: 3355733 (1967-11-01), Mitchell et al.
patent: 3643213 (1972-02-01), Yurasek et al.
patent: 3668622 (1972-06-01), Gannett et al.
patent: 3686626 (1972-08-01), Bateman et al.
patent: 3711826 (1973-01-01), La Russa
patent: 4104612 (1978-08-01), Lowe
patent: 4147056 (1979-04-01), Muller
patent: 4277771 (1981-07-01), Chapin et al.
patent: 4454496 (1984-06-01), Lowe

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