Mobile terminal provided with positioning system and method...

Details Mobile terminal provided with positioning system and method... Mobile terminal provided with positioning system and method...

2007-11-13

2007-11-13

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

10765125

ABSTRACT:
A mobile terminal which has a positioning function, a positioning method and a positioning system for implementing positioning with plural processes and selecting an optimum process by which positioning can be executed with the least error in positioning accuracy. A positioning method applied to a mobile terminal which is provided with a positioning function, wherein a positioning result is obtained by selectively using a first calculation process for finding out a weighted average value from the results of two or more latest positioning calculations each time a measurement has been made based on the results of a plurality of positioning calculations, and a second calculation process for finding out a weighted average value by adding the latest positioning result as a calculation factor to the weighted average of past positioning results each time a measurement has been made based on the results of a plurality of positioning calculations.

REFERENCES:
patent: 6097959 (2000-08-01), Yost et al.
patent: 6366854 (2002-04-01), Tsuchiya et al.
patent: 2002/0132626 (2002-09-01), Tsunehara et al.
patent: 2003/0050077 (2003-03-01), Takeuchi et al.
patent: 1 102 397 (2001-05-01), None
patent: 2001-333445 (2001-11-01), None
patent: 2001-339755 (2001-12-01), None
patent: 2002-281540 (2002-09-01), None
patent: 2002-296339 (2002-10-01), None
Patent Abstracts of Japan, vol. 2002, No. 03, 2002 (JP 2001 333445A), Abstract only.

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