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:
Apr. 12, 2011

Filed:

Mar. 31, 2005
Applicants:

Katsuhiro Noguchi, Yokohama, JP;

Kazuyuki Kozu, Yokosuka, JP;

Kota Fujimura, Yokosuka, JP;

Takashi Suzuki, Yokohama, JP;

Inventors:

Katsuhiro Noguchi, Yokohama, JP;

Kazuyuki Kozu, Yokosuka, JP;

Kota Fujimura, Yokosuka, JP;

Takashi Suzuki, Yokohama, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 72/00 (2009.01);
U.S. Cl.
CPC ...
Abstract

A mobile station performs location registration to one of exchanges managing a location registration area where the mobile station is located, in a mobile communication system in which a plurality of exchanges manage one location registration area and a radio network controller is connected to the plurality of exchanges. The mobile station includes a communication controller configured to stop transmission of signals to the radio network controller, when an identifier of an exchange notified by an access restriction signal from the radio network controller matches an identifier of an exchange which has performed the location registration of the mobile station.


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