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. 24, 2005
Filed:
Mar. 23, 2001
Shinji Motegi, Tokyo, JP;
Hiroki Horiuchi, Saitama, JP;
Masaru Enomoto, Saitama, JP;
Toshikane Oda, Tokyo, JP;
Shinji Motegi, Tokyo, JP;
Hiroki Horiuchi, Saitama, JP;
Masaru Enomoto, Saitama, JP;
Toshikane Oda, Tokyo, JP;
DDI Corporation, Tokyo, JP;
Abstract
A group communication system includes a plurality of mobile terminals with member-attribute information, and a center component for collecting location information of the mobile terminals. The center component includes a group generation device for generating a group based on a group-area information and a group-attribute information which are specified, and a group member management device for always monitoring joining and leaving of the mobile terminals with the location information and the member-attribute information which correspond to the group-area information and the group-attribute information of the group, respectively.