Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2006-05-23
2010-11-16
Mancho, Ronnie (Department: 3664)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S208000, C342S357490, C342S357490
Reexamination Certificate
active
07835862
ABSTRACT:
A positioning device includes: altitude information storing means; satellite signal receiving means; three-dimensional coordinate information generating means; positioning condition information generating means for generating positioning condition information indicating positioning condition when the three-dimensional coordinate information has been generated; reliability allowable range judging means for judging whether reliability of three-dimensional altitude information included in the three-dimensional coordinate information is within a predetermined reliability allowable range or not based on the positioning condition information; altitude information renewing means for renewing the altitude information by using the three-dimensional altitude information based on judging result of the reliability allowable range judging means; two-dimensional coordinate information generating; and positioning method deciding means for deciding whether to use the three-dimensional coordinate information generating means or to use the two-dimensional coordinate information generating means based on judging result of the renewal time evaluating means.
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Global IP Counselors, LLP
Mancho Ronnie
Seiko Epson Corporation
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