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:
Dec. 07, 1999
Filed:
Mar. 10, 1997
Applicant:
Inventor:
Hiroshi Terasaki, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370395 ; 370410 ; 370420 ; 370522 ;
Abstract
An ATM line concentration apparatus includes first and second transmission path termination circuits, an ATM switch, and a signaling termination circuit. Information for execution of signaling as a procedure for establishing a switched virtual channel with respect to an ATM switching unit or a plurality of subscriber terminals in response to a call generated from the ATM switching unit or the plurality of subscriber terminals is transmitted by using the ATM switch and the signaling termination circuit through the first and second transmission path termination circuits.