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. 23, 2010
Filed:
Aug. 30, 2007
Yuzo Yamamoto, Hitachinaka, JP;
Kazunori Tobita, Naka, JP;
Toshio Sawahata, Hitachi, JP;
Hideyuki Higo, Tokyo, JP;
Mitsuo Ikeda, Tokyo, JP;
Yuzo Yamamoto, Hitachinaka, JP;
Kazunori Tobita, Naka, JP;
Toshio Sawahata, Hitachi, JP;
Hideyuki Higo, Tokyo, JP;
Mitsuo Ikeda, Tokyo, JP;
Japan Atomic Energy Agency, Ibaraki, JP;
Abstract
To make such an ordinary hub as works on the power fed through a power adapter connected to a commercial power supply be capable of maintaining its hub-function without interruption even when a commercial power supply failure occurs. The ordinary hub is connected to a line securement power supply unitthat is power-fed from a POE-compliant power-feeding hubthrough a communication cable, wherein a means for producing a power for an ordinary hub using a power fed through said communication cableso as to feed produced power to an ordinary hub; and a storage battery, which stores power while power-receiving, to be used as the power source for producing a power for said ordinary hub when a power failure, are provided in said line securement power supply unit