Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2008-09-03
2010-10-26
Phan, Dao L (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C701S207000
Reexamination Certificate
active
07821451
ABSTRACT:
A positioning apparatus includes: a position computing part configured to receive signals from a plurality of radio transmitters to compute a position of the positioning apparatus; a reception status determining part configured to determine a reception state of the signals from the plurality of the radio transmitters; and an intermittent drive setting part configured to set a time interval for receiving signals by the position computing part according to the reception state determined by the reception status determining part.
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Lerner David Littenberg Krumholz & Mentlik LLP
Phan Dao L
Sony Corporation
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