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:
Mar. 01, 2005
Filed:
May. 06, 1999
Ikuo Aso, Koriyama, JP;
Sakae Watanabe, Koriyama, JP;
Isao Wada, Koriyama, JP;
Kazumasa Azuma, Koriyama, JP;
Ikuo Aso, Koriyama, JP;
Sakae Watanabe, Koriyama, JP;
Isao Wada, Koriyama, JP;
Kazumasa Azuma, Koriyama, JP;
Hitachi Telecom Technologies, Ltd., Fukushima-ken, JP;
Abstract
A line switching system of a dynamic band variation unit () having a function of connecting a dynamic data terminal device (A) to an opposing data terminal device (B) through a number of trunk lines such as a dedicated line () or ISDN lines (), wherein the quantity of data to be sent out to a trunk line is varied after the quantity of data to be stored to the dynamic band variation unit is adjusted by varying the communication speed of the data transmitted from the dynamic data terminal unit, when varying the data communication quantity of the data terminal device by increasing or decreasing the number of trunk lines.