Communications: directive radio wave systems and devices (e.g. – Presence detection only
Reexamination Certificate
2008-05-27
2008-05-27
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Presence detection only
C342S085000, C342S098000, C342S128000
Reexamination Certificate
active
07379013
ABSTRACT:
The present disclosure relates to a radar device and technique for detecting the presence of objects located in the near-field of a frequency modulated, continuous wave (FMCW) radar device. The technique includes transmitting and receiving a frequency modulated signal, generating an intermediate frequency signal based on the transmitted and received signals, and analyzing the frequency content of the intermediate frequency signal. The frequency content of the intermediate signal is analyzed without filtering out a carrier signal.
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patent: 5670886 (1997-09-01), Wolff et al.
patent: 7176828 (2007-02-01), Tirkel et al.
patent: 2003/0052811 (2003-03-01), Lawless
Giubbolini, Luigi. “A Multistatic Microwave Radar Sensor for Short Range Anticollision Warning”. IEEE Transactions on Vehicular Technology. Nov. 2000. vol. 49, Issue 6. pp. 2270-2275.
Dean Michael
Dong Haozhe
Banner Engineering Corporation
Barker Matthew M
Merchant & Gould P.C.
Tarcza Thomas H.
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