Communications: directive radio wave systems and devices (e.g. – Aircraft landing system
Reexamination Certificate
2006-07-31
2009-08-25
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Aircraft landing system
C342S063000, C342S064000, C342S065000
Reexamination Certificate
active
07579978
ABSTRACT:
A method of identifying a runway is disclosed. A first scan of an area of ground known to include a runway is performed. The first scan is accomplished using a weather radar system at a predetermined position. A first image is obtained from the first scan. The first image is stored in a memory. A second scan of an area of ground proposed to include the runway is performed. The second scan is accomplished using a weather radar system at what is believed to be the predetermined position. A second image is obtained from the second scan. The first image is retrieved from the memory. It is determined whether features in the first image correlate to features in the second image. A runway confirmation signal is sent to a pilot of the aircraft when there is a substantial certainty of correlation between the first and second images.
REFERENCES:
patent: 3896432 (1975-07-01), Young
patent: 6061068 (2000-05-01), Hoffman et al.
patent: 6311108 (2001-10-01), Ammar et al.
patent: 6462768 (2002-10-01), Oakley
IEEE Standard Letter Designations for Radar-Frequency Bands IEEE Std 521-1984 Sponsored by the Radar Systems Panel of the IEEE Aerospace and Electronic Systems Society Approved Mar. 22, 1984.
Galt Cassi
Rockwell Collins, Inc.
Tarcza Thomas H
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