The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 15, 2015

Filed:

Jan. 27, 2011
Applicants:

Yoshimasa Usui, Nagoya, JP;

Takayuki Matsunaga, Hachioji, JP;

Inventors:

Yoshimasa Usui, Nagoya, JP;

Takayuki Matsunaga, Hachioji, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/123 (2006.01); G09B 29/10 (2006.01); G01C 21/32 (2006.01);
U.S. Cl.
CPC ...
G09B 29/106 (2013.01); G01C 21/32 (2013.01);
Abstract

A map data production method is disclosed. The method includes: dividing a record target map area into meshes; creating mesh-unit data elements as groups of mesh-unit data elements so that the groups respectively correspond to the meshes, and each group of mesh-unit data elements describes information on map components of a corresponding one of the meshes in such manner that mesh-unit data elements in the each group respectively describes the information on the map components; creating data files, through (i) organizing, according to map component type, the mesh-unit data elements into sets of mesh-unit data elements and (ii) respectively storing the sets of mesh-unit data elements, each set having a same map component type, in the data files; and creating map data from the plurality of data files.


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