Vortex advisory system
Patent 4137764 Issued on February 6, 1979. Estimated Expiration Date: 
September 15, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 15, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSignal averaging circuit Adaptive speed and direction analyzer Wind shear warning system Patent #: 4043194 InventorsApplicationNo. 05/833501 filed on 09/15/1977US Classes:73/178T, Take-off and landing monitors701/120, Traffic analysis or control of aircraft73/170.08Electric sensorExaminersPrimary: Goldstein, HerbertAttorney, Agent or FirmInternational ClassesG01W 1/00 (20060101)G01W 1/02 (20060101) AbstractThe separation between aircraft approaching a common runway is minimized by measuring the existing wind conditions at a preselected point relative to the runway threshold and basing a prediction of the movement of wake vortices on the measured conditions. The prediction of vortex movement is based upon a vortex advisory algorithm prepared from a plot of wind conditions which predictably remove vortices from the flight path.Field of SearchTake-off and landing monitors | |
