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:
May. 12, 1998
Filed:
Jan. 21, 1997
Applicant:
Inventors:
Makoto Ueno, Yokohama, JP;
Takeshi Kunugi, Yokohama, JP;
Kazuya Ohyama, Yokohama, JP;
Hiroomi Yazaki, Yokohama, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ; H04Q / ;
U.S. Cl.
CPC ...
455435 ; 455406 ; 455407 ; 455408 ; 455422 ; 455410 ; 455411 ; 379114 ;
Abstract
A mobile communication system intended to early detect unlawful mobile station. User information about accumulated call account is totaled by the network and the mobile station individually so as to be subjected to a comparison to found an unlawful mobile station.