Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2007-11-13
2011-10-11
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C455S067110
Reexamination Certificate
active
08035554
ABSTRACT:
A device for measuring a position of a mobile station according to the present invention comprises: first measuring means for measuring the position of the mobile station based on observed data of signals from satellites using a one-epoch measuring method; second measuring means for measuring the position of the mobile station using previous determination result of the position of the mobile station and speed information representative of a speed of the mobile station; third measuring means for measuring the position of the mobile station using solutions of variables derived from previous determination results of the first or second measuring means; and controlling means60for selecting one of the respective measuring means which is to execute its measuring process; wherein if reliability of the determination result of the selected measuring means is lower than a predetermined reference value, the controlling means selects another measuring means to make it execute its measuring process.
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Hasegawa Naoto
Nagamiya Kiyomi
Nakamura Mitsuru
Shibata Naoto
Tajima Yasuhiro
McGue Frank
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Tarcza Thomas H.
Toyota Jidosha & Kabushiki Kaisha
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