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:
Sep. 14, 2010
Filed:
Feb. 02, 2004
Keisuke Kabashima, Osaka, JP;
Michihiro Aoki, Tokyo, JP;
Takashi Kurimoto, Tokyo, JP;
Takashi Miyamura, Tokyo, JP;
Masahiro Goshima, Tokyo, JP;
Nobuaki Matsuura, Sayama, JP;
Shigeo Urushidani, Tokyo, JP;
Keisuke Kabashima, Osaka, JP;
Michihiro Aoki, Tokyo, JP;
Takashi Kurimoto, Tokyo, JP;
Takashi Miyamura, Tokyo, JP;
Masahiro Goshima, Tokyo, JP;
Nobuaki Matsuura, Sayama, JP;
Shigeo Urushidani, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A data transfer apparatus and a data transfer system are provided that can reduce the cost of installing communication equipment compatible with each of several dissimilar communication protocols in one exchange office and can reduce the cost of constructing the network. The data transfer apparatus includes a data reception device () that receives packets that comply with dissimilar communication protocols from upstream data transfer apparatuses (and); a content data extraction device () that extracts content data included in the packets; a line selection information storage device () that stores the line selection information for selecting communication lines that comply with dissimilar communication protocols; a line selection device () that selects the communication line compatible with content data based on the line selection information; and a data transfer device () that transfers data to downstream data transfer apparatuses (and) that are connected to the communication line that has been selected by the line selection device.