Method and HUD system for displaying unusual attitude

Details Method and HUD system for displaying unusual attitude Method and HUD system for displaying unusual attitude

2005-04-25

2008-08-26

To, Tuan C (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C340S945000, C340S974000, C340S967000, C340S971000, C345S007000, C345S182000

Reexamination Certificate

active

07418318

ABSTRACT:
Methods and systems are provided for displaying an unusual attitude of an aircraft in a head-up display system. The system comprises a projection unit configured to project the unusual attitude of the aircraft and a processor coupled to the LCD projection unit. The processor is configured to control the LCD projection unit during the unusual attitude of the aircraft to produce an attitude indicator of the aircraft and a horizon symbol. The horizon symbol divides the attitude indicator into a first region having a first display characteristic and a second region having a second display characteristic different from the first display characteristic. The first display characteristic is substantially uniform throughout the first region, and the first region indicates a ground with respect to the aircraft.

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