Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2004-07-06
2008-08-05
Sotomayor, John B (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
C342S108000, C342S145000, C342S189000, C342S204000, C701S301000, C340S435000, C340S436000, C340S903000
Reexamination Certificate
active
07408499
ABSTRACT:
A sequence of waveforms is generated by producing a primary symbol sequence and, for each symbol within the sequence, substituting a randomly-selected waveform. The primary symbol sequence has a narrow autocorrelation function, and may be a train of pulses, with the pulses arranged in packets of predetermined configuration. Objects can be detected by transmitting the waveforms, forming a representation of the transmitted waveform and delaying that representation, and correlating the representation with signals received as a result of reflection of the transmitted waveforms.
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Birch & Stewart Kolasch & Birch, LLP
Mitsubishi Electric Corporation
Sotomayor John B
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