Communications: directive radio wave systems and devices (e.g. – Aircraft collision avoidance system – With transponder
Reexamination Certificate
2011-07-12
2011-07-12
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Aircraft collision avoidance system
With transponder
Reexamination Certificate
active
07978121
ABSTRACT:
A direction finding antenna system for determining the relative bearing of a second aircraft from a first aircraft in conjunction with Distance Measuring Equipment (DME). The system includes a first antenna and a second antenna located on a top surface of the first aircraft, spaced apart along a first axis, as well as a third antenna and a fourth antenna located on a bottom surface of the first aircraft, spaced apart along a second axis orthogonal to the first axis. The system further includes a transmitting, receiving, and processing system coupled to the first, second, third, and fourth antennas, wherein the transmitting, receiving, and processing system is configured to transmit DME interrogations, receive DME replies, and process the DME replies to determine the relative bearing of the second aircraft from the first aircraft.
Brandao Ruy C.
Jones James B.
Black Lowe & Graham PLLC
Galt Cassi
Honeywell International , Inc.
Tarcza Thomas H
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