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:
Jun. 17, 1997
Filed:
Mar. 09, 1994
Takeshi Kamura, Kawasaki, JP;
Fujitsu Limited, Kanagawa, JP;
Abstract
In a mobile telephone communication system which performs telephone communications with a group including mobile subscribers to improve the rate of receiving telephone calls and quality of communication, the plurality of mobile subscribers each sends out information including a location number and a subscriber telephone number. A mobile switch center receives information from each mobile subscriber via a corresponding one of radio base stations and performs control of the calls from the mobile subscribers. The mobile switch center has a subscriber data table that stores a group indication which indicates the mobile subscribers of the group and a group number corresponding to the group as subscriber data, and performs, upon the occurrence of the registration of changing the state of one mobile subscriber, the same registration of changing the state (idle or busy) for all remaining mobile subscribers in the group, referring to the group indication and the group number sent from the one mobile subscriber.