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:
Jan. 16, 2001
Filed:
Mar. 20, 1997
Yasuo Tanishima, Kawasaki, JP;
Rikihiko Mashima, Kawasaki, JP;
Atsushi Yamashita, Kawasaki, JP;
Hiroyuki Sogo, Kawasaki, JP;
Mitsuru Seta, Kawasaki, JP;
Hitoshi Ishikawa, Kawasaki, JP;
Tsudoi Kubo, Kawasaki, JP;
Masahiko Shirota, Kawasaki, JP;
Yutaka Hamada, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A base transceiver station in a wireless local loop system using a personal handy-phone system constituted by a plurality of cell stations, each accommodating a plurality of subscriber units, a hybrid section integrally handling signals transmitted and received by the plurality of cell stations via a single antenna, and a multiplexing/demultiplexing unit integrally handling the signals transferred between the plurality of cell stations and an existing network, thereby enabling construction of a wireless local loop system which is small in size, can expand the service area without an increase of interference with other base transceiver stations, has a good affinity with existing networks, is provided with ISDN functions, and, at the same time, provides backup against faults and improves the transmission quality and reliability.