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. 13, 2003
Filed:
Aug. 04, 1999
Keiko Imafuku, Fukuoka, JP;
Tomoko Yamashita, Fukuoka, JP;
Kouji Sugiyama, Fukuoka, JP;
Hironaga Miyazaki, Fukuoka, JP;
Koichi Yoshida, Fukuoka, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In a mobile communication system comprising a PBX connected to a mobile communication network through an interface unit and having a semi-public roaming function, a first PBX is connected to a second PBX having the semi-public roaming function with a leased circuit. The first PBX transmits a position registration/call transmission request of a PHS received by itself to a mobile communication network through the second PBX. The second PBX transmits a call reception request addressed to the PHS from the mobile communication network to the PHS through the first PBX.