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:
Dec. 07, 2010
Filed:
Feb. 16, 2010
Yoshiaki Hasegawa, Yokohama, JP;
Shinya Oota, Yokohama, JP;
Yoshihiro Kanomata, Yokohama, JP;
Arata Nakagoshi, Yokohama, JP;
Yoshiaki Hasegawa, Yokohama, JP;
Shinya Oota, Yokohama, JP;
Yoshihiro Kanomata, Yokohama, JP;
Arata Nakagoshi, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The normality verification and radio characteristics test of a radio communication system are executed. RF-SWs (radio-frequency coaxial switches) change-over the paths of signals which are transmitted to and received from an access terminal function portion included in an access point. RF-SWs connect the access terminal function portionwith a desired one of radio analog portions. A test function controller controls the changeover operations of the RF-SWs in accordance with information designated by a maintenance apparatus (OMC). An access point controller controls in accordance with received test sort information, one or more of (1) an antenna failure test, (2) a receiver failure test, and (3) a transmitter failure.