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Method and HUD system for displaying unusual attitude
 
   
Document Number
US Patent 7418318
Issued Date
August 26, 2008
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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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Number of Claims:
16
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Owner
Published
August 26, 2008
Application Number
11/114,269
Filed
April 25, 2005
US Classification
701/3   340/945 340/967 340/971 340/974 345/7
Int'l Classification
G01C   23/00   (20060101)  
Examiner
USPTO Field of Search
701/3   340/945   340/980   340/974   340/419   340/967   340/971   345/419   345/7   345/133   345/418   382/276   250/330  
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