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:
Nov. 26, 1996
Filed:
Sep. 08, 1992
Yutaka Fukushima, Yokohama, JP;
Tetsuo Takemura, Yokohama, JP;
Shinichi Iwaki, Kamakura, JP;
Mitsuyoshi Hashida, Yokohama, JP;
Masao Wanami, Yokohama, JP;
Isao Shimbo, Yokohama, JP;
Mitsuhiro Wada, Yokohama, JP;
Hirofumi Udaki, Yokohama, JP;
Yoshihiro Kondo, Yokohama, JP;
Yoshinobu Yamamoto, Fujisawa, JP;
Arata Nakagoshi, Kokubunji, JP;
Kouichi Ohta, Yokohama, JP;
Hiroshi Kuwahara, Kodaira, JP;
Yumiko Watanabe, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Kokusai Electric Co., Ltd., Tokyo, JP;
Abstract
Duplicate optical fibers connect between a base station controller and a radio base station for each route. The duplicate optical fiber is connected to each of the radio base stations for each route through a star coupler. The radio base stations are arranged in each of areas so that the radio base stations for different routes are arranged adjacent to each other.