Location information conversion device, control method...

Details Location information conversion device, control method... Location information conversion device, control method...

2006-07-18

2006-07-18

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Relative location

C701S207000, C701S214000, C708S203000, C708S204000

Reexamination Certificate

active

07079950

ABSTRACT:
A location information conversion device which can ensure privacy protection of a search object. Upon receiving a request with a designated accuracy from an input/output section, a location information generating section acquires location information from a location measurement section and supplies the location information to an accuracy adjustment section, together with the designated accuracy. The accuracy adjustment section converts the location information into location information of an accuracy equal to or lower than the designated accuracy and returns the resulting location information to the location information generating section. The location information generating section sends the location information whose accuracy has been converted to the requesting party via an input/output section. This ensures protection of privacy, since the location information about a search object is converted into location information of an accuracy equal to or lower than the designated accuracy.

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European Search Report dated Sep. 22, 2004.

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