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:
Feb. 27, 2024

Filed:

Jan. 10, 2022
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Hidetoshi Chikamori, Saitama, JP;

Kazumasa Nakamura, Saitama, JP;

Hitoshi Konishi, Saitama, JP;

Takuji Harayama, Saitama, JP;

Tomoaki Masakawa, Tokyo, JP;

Naofumi Aso, Saitama, JP;

Ryo Matsuzawa, Tokyo, JP;

Zhaoqi Wang, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); H03M 7/30 (2006.01); G01C 21/34 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3822 (2020.08); G01C 21/3469 (2013.01); H03M 7/30 (2013.01);
Abstract

A data compression method is used for compressing data indicating a gradient of a route. The data compression method includes: acquiring a gradient table that shows gradient values in respective sections arranged between a starting point of the route and an ending point thereof, the sections including one section and an adjacent section adjacent to the one section: ranking the gradient values; and in a case where the gradient value of the one section and the gradient value of the adjacent section are in a same rank, integrating the gradient value of the one section and the gradient value of the adjacent section and generating a compressed gradient table that shows a distance and a corresponding rank of the section having the same rank.


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