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, 1999
Filed:
Feb. 05, 1997
Ikuo Aso, Koriyama, JP;
Kazumasa Azuma, Koriyama, JP;
Kaoru Suzuki, Koriyama, JP;
Sakae Watanabe, Koriyama, JP;
Hitachi Telecom Technologies Ltd., Koriyama, JP;
Abstract
A multiplex communication equipment which can switch circuits and which enables cost saving in circuit usage of a public network when the circuit is switched. Multiplex communication equipment 1 with circuit switching control, which is selectively connected to either an active circuit 5, having a large transmission line, or a spare circuit 6, having limited transmission line. A data terminal interface (I/F) 18 is connected to data terminal equipment 2, and a voice terminal I/F 17 is connected to voice terminal equipment 3. An active circuit I/F 13 is connected to circuit 5, and a spare circuit I/F 14 is connected to circuit 6. A multiplexing control section 16 multiplexes data and voice information, and a circuit switching section 15 switches circuits. A control section 11 controls the aforementioned sections, and a memory 12 stores multiplexed information of the active circuit and the spare circuit and circuit switching information, and keeps circuit speed slow by multiplexing minimum required information only at the spare circuit, thus saving the circuit usage charge.