Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Aeronautical vehicle
Reexamination Certificate
2008-07-15
2008-07-15
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Aeronautical vehicle
C701S004000, C701S223000
Reexamination Certificate
active
11085317
ABSTRACT:
In order to measure the movement of a vehicle, especially an aircraft, an imaging optical system2which is to be positioned on the vehicle is used to detect an image of the environment4, and an optoelectronic shift sensor3chip of the type comprising an inherent evaluation unit is used to measure any shift of the image from structures thereof. The shift sensor is equal or similar to the sensor used on an optical mouse. The sensor is positioned in such a way that infinite objects are focused. The measuring signal is evaluated to indicate movements and/or the position of the aircraft. The inventive system can also be used to measure distances e.g. in order to control the flight altitude. The invention further relates to methods for automatically controlling particularly a hovering flight by means of a control loop using optical flow measurement.
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Camby Richard M.
Fattibene Arthur T.
Fattibene Paul A.
Fattibene and Fattibene
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