POSITION DETECTION DEVICE

WIPO Patent Application WO/2016/056383

A1

Disclosed is a position detection device wherein a transmitter that radiates electromagnetic waves having a first frequency is disposed above a reflecting surface that reflects electromagnetic waves. A first reception device includes at least two reception antennas which are respectively disposed at positions that are identical to each other in the in-plane direction of the reflecting surface but are different from each other in the height direction of the reflecting surface. The electromagnetic waves having the first frequency are received by means of the reception antennas, said electromagnetic waves having been radiated from the transmitter. On the basis of the reception strengthes of the electromagnetic waves having the first frequency, said electromagnetic waves having been received by means of the reception antennas of the first reception device, a processing device calculates first distances from the reception antennas to the transmitter in the in-plane direction of the reflecting surface. Calculation accuracy of the distances from the reception device to the transmitter can be improved by taking into account electromagnetic wave multipath.

INOUE MANABU (JP)

PCT/JP2015/076724

April 14, 2016

September 18, 2015

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MURATA MANUFACTURING CO (JP)

G01S11/06; G01S5/14

JP2009206537A	2009-09-10
JP2013545968A	2013-12-26
JP2008224489A	2008-09-25
JP2013174472A	2013-09-05
JP2011163948A	2011-08-25
US20100159840A1	2010-06-24
JP2007124466A	2007-05-17
JP2003299140A	2003-10-17

KITAYAMA, Mikio et al. (JP)
Mikio Kiyama (JP)

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