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.

Patent No.:

US 8571793 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 29, 2013

Filed:

Oct. 24, 2011
Applicant:

Takayuki Matsunaga, Hachioji, JP;

Inventor:

Takayuki Matsunaga, Hachioji, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/26 (2006.01); G01C 21/32 (2006.01); G09B 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Map data define a road in units of links, and a multilink as links connected consecutively with an identical attribute while containing: a road management information list storing fixed-length road management information elements, each indicating the number of links in each multilink; a lower level link information list storing fixed-length link information elements, each indicating the number of coordinate points in each link, in an order in which corresponding road management information elements are arrayed in the road management information list; a higher level link information list storing fixed-length link information elements, each indicating a multilink as a higher level link; and a higher level link ID list storing fixed-length information elements, each indicating a storage array position in the higher level link information list with respect to a multilink, in an order in which corresponding lower link information elements are arrayed in the lower level link information list.


Find Patent Forward Citations

Matsunaga, Takayuki. (2013). Map data, method for preparing the same, data product containing the same, storage medium containing the same, and navigation apparatus using the same (U.S. Patent No. 8571793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8571793

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