Communications: directive radio wave systems and devices (e.g. – Determining distance – Height finder
Reexamination Certificate
2011-01-04
2011-01-04
Gregory, Bernarr E (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
Height finder
C342S089000, C342S090000, C342S118000, C342S134000, C342S135000, C342S139000, C342S140000, C342S146000, C342S147000, C342S149000, C342S155000, C342S158000, C342S175000, C342S195000
Reexamination Certificate
active
07864103
ABSTRACT:
A height-finding 3D avian radar comprises an azimuthally scanning radar system with means of varying the elevation pointing angle of the antenna. The elevation angle can be varied by employing either an antenna with multiple beams, or an elevation scanner, or two radars pointed at different elevations. Heights of birds are determined by analyzing the received echo returns from detected bird targets illuminated with the different elevation pointing angles.
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“Affordable, Real-Time 3-D Avian Radar Networks for Centralized North American Bird Advisory Systems”; Peter Weber, et al., Aug. 2005; pp. 1-8.
Nohara Timothy J.
Weber Peter T.
Accipiter Radar Technologies, Inc.
Coleman Henry D.
Gregory Bernarr E
Sapone William J.
Sudol R. Neil
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