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.:
Date of Patent:
Nov. 17, 2015
Filed:
Apr. 25, 2013
Hitachi Maxell, Ltd., Osaka, JP;
Tsuguo Itagaki, Yokohama, JP;
HITACHI MAXELL, LTD., Osaka, JP;
Abstract
A positional information providing system is provided in which positional information including altitude can be highly accurately acquired even though a user is located outdoors or indoors. A system includes a server device including a map data storage unit, an altitude storage unit, a reference position coordinates receiving unit, a reference point altitude information generating unit locating reference position coordinates and reference point altitude, a map data transmitting unit and a reference point altitude information transmitting unit, and a terminal device including a positional information acquiring unit, a reference point information transmitting unit, a reference point altitude information receiving unit, a map data receiving unit and a reference point altitude detecting unit detecting altitude at a reference point. The terminal device includes a calibration unit for the altitude data acquired at the reference point altitude detecting unit and a map display unit displaying map data and altitude data.