Communications: directive radio wave systems and devices (e.g. – Presence detection only
Reexamination Certificate
2011-05-24
2011-05-24
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Presence detection only
C342S028000, C342S118000, C342S146000
Reexamination Certificate
active
07948430
ABSTRACT:
A position estimating device (4) which estimates the position of an object by comparing a receiving pattern obtained from ID transmitters (2a, 2b, . . . ) and ID receivers (3a, 3b, . . . ) installed in an environment with a prestored receiving pattern. Position of an object equipped with no extra device can be estimated only with the ID transmitters and ID receivers installed in an environment even in an indoor multipath environment by utilizing a fact that a receiving pattern obtained from ID transmitters (2a, 2b, . . . ) and ID receivers (3a, 3b, . . . ) installed in an environment changes depending on the position of the object.
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IJapanese Official Action dated Mar. 9, 2011, together with a partial English-language translation.
Konishi Yusuke
Nakao Toshiyasu
Bythrow Peter
NEC Corporation
Scully , Scott, Murphy & Presser, P.C.
Tarcza Thomas H
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