Communications: directive radio wave systems and devices (e.g. – Radar transponder system
Reexamination Certificate
2005-06-20
2009-08-11
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
C342S126000, C340S572100, C455S562100
Reexamination Certificate
active
07573418
ABSTRACT:
A direction estimating section estimates the incoming direction of a radio wave from an RFID tag in each of antennas. A position calculating section calculates the position of the RFID tag on the basis of the incoming direction of the radio wave estimated in the direction estimating section.
REFERENCES:
patent: 5835060 (1998-11-01), Czarnecki et al.
patent: 6046683 (2000-04-01), Pidwerbetsky et al.
patent: 6175332 (2001-01-01), Fedors
patent: 6380894 (2002-04-01), Boyd et al.
patent: 6714121 (2004-03-01), Moore
patent: 2002/0082016 (2002-06-01), Obayashi
patent: 2003/0058155 (2003-03-01), Landt et al.
patent: 2004/0027243 (2004-02-01), Carrender
patent: 2004/0035927 (2004-02-01), Neumark
patent: 2004/0174434 (2004-09-01), Walker et al.
patent: 2005/0113138 (2005-05-01), Mendolia et al.
patent: 2005/0148346 (2005-07-01), Maloney et al.
patent: 2005/0159187 (2005-07-01), Mendolia et al.
patent: 2005/0280538 (2005-12-01), Kawai et al.
patent: 2005/0280574 (2005-12-01), Tafas et al.
patent: 2006/0010027 (2006-01-01), Redman
patent: 2006/0077039 (2006-04-01), Ibi et al.
patent: 2006/0258442 (2006-11-01), Ryan
patent: 2006/0281415 (2006-12-01), Koyanagi
patent: 0580139 (1994-01-01), None
patent: 0583522 (1994-02-01), None
patent: 2383708 (2003-07-01), None
patent: 6-258425 (1994-09-01), None
patent: 8-248127 (1996-09-01), None
patent: 9-5431 (1997-01-01), None
patent: 10-206538 (1998-08-01), None
patent: 2002-198722 (2002-07-01), None
patent: 2002-262328 (2002-09-01), None
Kikuma, N., “High Resolution estimation of incoming direction by array antenna”, Science Press, Inc., Chptr. 9, pp. 172-189 (1998).
Yasuda, A., “The Aspect of GPS Technology”, J. Inst. Of Electronics, Information and Communication Engineers, B. vol. J84-B, No. 12, pp. 2082-2091 (2001).
“Highly accurate position measuring technique using portable telephone that can use positional information service even indoors”, http://www.hitachi.co.jp/Sp/TJ/2001/hmjan01/hm0111j.htm (Jun. 7, 2005).
Kawai Takehiro
Okamura Shinichiro
Saito Keisuke
Foley & Larnder LLP
Liu Harry
Omron Corporation
Tarcza Thomas H
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