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.

Date of Patent:
Oct. 24, 2000

Filed:

Mar. 26, 1998
Applicant:
Inventor:

Kaoru Yoshida, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J / ; H04L / ; H04L / ;
U.S. Cl.
CPC ...
370231 ; 370395 ; 370474 ; 370516 ; 375362 ; 375371 ;
Abstract

A clock information transfer system for an AAL type 1 transmission mode includes an ATM transmission device connected to a receiving ATM network. The ATM transmission device has a clock regenerator for regenerating a clock signal of a transmitted CBR signal based on the interval between ATM cell arrival times, an RTS information generating circuit for generating RTS information based on the regenerated clock signal and the network clock signal of the receiving ATM network, an RTS information inserting circuit for inserting the RTS information into an ATM cell signal, multiplexing the ATM cell signal, and outputting the multiplexed ATM cell signal to the receiving ATM network. The clock information transfer system is capable of regenerating a clock signal in transmitting and receiving communication terminals according to an SRTS method for communications between different ATM networks or in the same ATM network.


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