Communications: electrical – Aircraft alarm or indicating systems – Nonalarm flight indicator
Reexamination Certificate
2007-11-13
2007-11-13
Nguyen, Tai (Department: 2612)
Communications: electrical
Aircraft alarm or indicating systems
Nonalarm flight indicator
C340S946000, C340S967000, C340S973000, C340S975000, C340S979000, C704S004000, C704S010000, C704S010000, C704S010000
Reexamination Certificate
active
11347918
ABSTRACT:
A flight instrument displays azimuth information in combination with horizon information and other optional information such as altitude and/or airspeed. Azimuth information is displayed using an elliptical pattern placed below a horizon line displaying horizon information. The horizon information may be based on gyro enhanced vertical speed and/or vertical axis information. The elliptical pattern may be representative of a horizontal circular heading indicator viewed from above and behind the circular indicator. In one embodiment, the elliptical azimuth pattern moves in response to movement of the horizon line to maintain position below the horizon line. Airspeed and/or altitude information may be displayed at the sides of the screen area using a circular arc display pattern.
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Nguyen Tai
Richards James
TruTrak Flight Systems, Inc.
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