TCAS view display format with horizontal trend
Patent 5179377 Issued on January 12, 1993. Estimated Expiration Date: 
December 31, 2010. 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.
December 31, 2010. 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 2994867 3150364 3300778 Aircraft location and collision avoidance system Radar system for collision avoidance Telemetry burst collision avoidance system Traffic advisory-instantaneous vertical speed display Patent #: 4914733 InventorAssigneeApplicationNo. 636322 filed on 12/31/1990US Classes:340/961, Potential collision with other aircraft342/29, AIRCRAFT COLLISION AVOIDANCE SYSTEM (CAS)701/301Collision avoidanceExaminersPrimary: Ng, Jin F.Assistant: Swarthout, Brent A. Attorney, Agent or FirmForeign Patent References
International ClassG08G 005/04AbstractA TCAS view image format with horizontal trend for a traffic situation awareness display in a craft, having the craft represented by a center symbol, having traffic represented by position symbols that indicate by shape the horizontal heading of a craft, having the shape of the represented vehicle and varying size to represent level of traffic threat or closeness in altitude differential, having symbols that indicate altitude and trend of altitude, and having symbols that in shape and color redundantly indicate the level of traffic threat.Other References
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