Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Aircraft guidance
Reexamination Certificate
2006-06-06
2006-06-06
Sotomayor, John B. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Aircraft guidance
C342S179000, C342S120000, C342S121000, C342S181000
Reexamination Certificate
active
07057549
ABSTRACT:
Embodiments of the invention provide a method and apparatus for indicating aircraft height relative to an obstruction in a terrain awareness warning system. The method includes receiving data indicative of geographic features of an obstruction, lateral distance of the geographic feature from an aircraft, height and flight path of the aircraft, calculating a projected height of the aircraft at the location of the obstruction using the data, generating a result signal, and displaying a colored indication on a display screen based on the result signal. The apparatus includes inputs for signals from instruments measuring height, flight path, and location of an aircraft, as well as an input for an instrument providing information about geographic features of terrain surrounding the aircraft. The apparatus includes a means for employing the signals to calculate an effective height of the aircraft relative to the terrain, and a screen display for graphically displaying the results of the calculation.
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Mayer & Williams PC
Sandel Avionics, Inc.
Sotomayor John B.
Wieczorek, Esq. Mark D.
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