Windshear detection indicator system
Patent 4812844 Issued on March 14, 1989. Estimated Expiration Date: 
February 13, 2007. 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.
February 13, 2007. 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 References 910035 1236296 1342860 1644547 3691829 Wind indicating device Automatic runway traffic direction control Airport landing indicator apparatus Method for transmitting airport weather information Dynamic climatic condition indicating system Patent #: 4318076 InventorApplicationNo. 07/014585 filed on 02/13/1987US Classes:340/949, Wind direction340/968, Wind shear73/170.06, With illumination means or an electro-optical indicator (e.g., beacon or signal lamp)73/170.08, Electric sensor73/170.16, METEOROLOGY73/178TTake-off and landing monitorsExaminersPrimary: Orsino, Joseph A.Assistant: Swarthout, Brent A. Attorney, Agent or FirmInternational ClassesG05D 1/00 (20060101)G05D 1/06 (20060101) G08G 5/00 (20060101) AbstractWindshear indicator system comprised of a plurality of individual windshear detection and indication devices (10) disposed to one side of and parallel to the landing approach and takeoff areas of an airport runway. Each device (10) has a wind velocity sensor (24) and a wind direction indicator (22). Wind speed information is visually displayed in an array of vertical lights (30-40) of one color. A circular pattern of second colored lights (50-64) is provided so that the upper half of the pattern shows head winds and the lower half indicates or displays tailwinds to warn of a windshear condition. A green "go" light (74) flashes with the upper half of the circular lights (50-64). A red "no go" light (76) flashes with the lower half of the circular array of lights to warn of tailwinds and a windshear condition.Other References
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