Communications: directive radio wave systems and devices (e.g. – Determining distance – Height finder
Reexamination Certificate
2007-09-27
2009-12-29
Gregory, Bernarr E (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
Height finder
C342S02600R, C342S02600R, C342S061000, C342S063000, C342S065000, C342S118000, C342S175000, C342S195000
Reexamination Certificate
active
07639175
ABSTRACT:
A weather radar system coupled to a weather radar antenna, including a receive circuit for receiving radar returns received by the antenna and a processor for summing portions of the radar return data to obtain a null response. The null response is utilized to determine presence of terrain.
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Barbieri Daniel M.
Evans Matthew J.
Gregory Bernarr E
Rockwell Collins, Inc.
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