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:
Jul. 28, 2009
Filed:
Sep. 28, 2004
Applicant:
Naoki Hasegawa, Tokyo, JP;
Inventor:
Naoki Hasegawa, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radio communications system that eliminates limitation on usage forms of radio communication and enables users to implement radio communication easily. CUG (Closed User Group) servers of communication carriers are provided to an outside company such as ASP (Application Service Provider), and group information of PTT communication terminal devices for performing radio communication processing among particular PTT communication terminal devices is registered in the CUG servers provided outside so that the PTT communication terminal devices are controlled.