Communications: directive radio wave systems and devices (e.g. – Transmission through media other than air or free space
Reexamination Certificate
2006-05-09
2006-05-09
Pihulic, Daniel (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Transmission through media other than air or free space
Reexamination Certificate
active
07042385
ABSTRACT:
An apparatus and method for detecting objects buried beneath the surface of a medium. A plurality of wide-bandwidth antennas, coupled to form an array, is drawn across the surface. Each antenna radiates a plurality of pulses of electromagnetic radiation at periodic intervals of time and receives the plurality of pulses after their interaction with the medium. The return pulses are sampled by a sampling circuit disposed at the feed of each antenna so as to create an equivalent-time pulse signal, and a self-signature of each antenna is subtracted from the equivalent-time pulse signal so as to detect features of objects buried beneath the surface of the medium. A pulse former is provided at the feedpoint of the receiving antenna.
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Bromberg & Sunstein LLP
Niitek Inc.
Pihulic Daniel
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