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:
Apr. 10, 2001
Filed:
Sep. 11, 1997
Applicant:
Inventors:
Sakae Watanabe, Koriyama, JP;
Kazumasa Azuma, Koriyama, JP;
Kaoru Suzuki, Koriyama, JP;
Ikuo Aso, Koriyama, JP;
Assignee:
Hitachi Telecom Technologies, Ltd., Koriyama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 3/16 ; H04J 3/04 ;
U.S. Cl.
CPC ...
H04J 3/16 ; H04J 3/04 ;
Abstract
A multiplex communication system is provided with a plurality of multiplex communication equipment connected to each other through an exclusive line. The multiplex communication equipment have a plurality of a structure information for setting multiple bands. The multiple bands are changed over by changing-over the structure information on the basis of a previous-set schedule.