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:
Jul. 20, 2010
Osamu Kurokawa, Minato-ku, JP;
Kazuki Eguchi, Minato-ku, JP;
Naoki Yoshida, Minato-ku, JP;
Shunsuke Yokouchi, Minato-ku, JP;
Toru Shiiba, Minato-ku, JP;
Yasuyuki Ueda, Minato-ku, JP;
Tomiharu Hamaguchi, Minato-ku, JP;
Yasuhiro Watanabe, Minato-ku, JP;
Hiroaki Akiyama, Minato-ku, JP;
Takayuki Kido, Minato-ku, JP;
Osamu Kurokawa, Minato-ku, JP;
Kazuki Eguchi, Minato-ku, JP;
Naoki Yoshida, Minato-ku, JP;
Shunsuke Yokouchi, Minato-ku, JP;
Toru Shiiba, Minato-ku, JP;
Yasuyuki Ueda, Minato-ku, JP;
Tomiharu Hamaguchi, Minato-ku, JP;
Yasuhiro Watanabe, Minato-ku, JP;
Hiroaki Akiyama, Minato-ku, JP;
Takayuki Kido, Minato-ku, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A femto cell base station includes a generating part that generates a SIP message including a terminal ID of a radio terminal and a check request for the terminal ID at a predetermined time, and a first transmitting part that transmits the SIP message generated by the generating part to a higher level apparatus in the communication system.