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:
Jan. 27, 2015
Filed:
Oct. 13, 2011
Masayuki Terada, Chiyoda-ku, JP;
Motonari Kobayashi, Chiyoda-ku, JP;
Ichiro Okajima, Chiyoda-ku, JP;
Masayuki Terada, Chiyoda-ku, JP;
Motonari Kobayashi, Chiyoda-ku, JP;
Ichiro Okajima, Chiyoda-ku, JP;
NTT DOCOMO, INC., Tokyo, JP;
Abstract
A number-of-terminals estimation device has a unit to acquire location data; a unit to acquire location acquisition time information of second location data immediately preceding the first location data and third location data immediately following the first location data, from location data including the same identification information; a unit to calculate a feature amount of the first location data, based on at least two of the location acquisition time information of the first to third location data; a unit to acquire observation target location data including location acquisition time information after an observation start time and before an observation end time and including location information corresponding to observation area information; and a unit to estimate the number of terminals located in the observation area during the observation period, based on feature amounts of the observation target location data and the length of the observation period.