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:
Nov. 02, 1999
Filed:
Aug. 08, 1997
Applicant:
Inventors:
Chan Kim, Daejon-Shi, KR;
Yeong Ho Park, Daejon-Shi, KR;
Doo Sub Eom, Daejon-Shi, KR;
Jae Keun Kim, Daejon-Shi, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon-Shi, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H04L / ;
U.S. Cl.
CPC ...
370397 ; 370395 ; 370476 ;
Abstract
The present invention discloses a processing circuit for STM-based ATM (Asynchronous Transfer Mode) cell physical layer. In the present invention are disclosed a general circuit structure having a multiplex, demultiplex unit between a byte processing unit and a parallel processing unit, a real-time transform method between 16 bit UTOPIA format and a standard ATM cell format in a ATM cell processing unit, and a control circuit which is normally in 9.times.270 mode and drives all the circuit in 9.times.30 mode in a special test mode.