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:
Feb. 29, 2000
Filed:
Jun. 25, 1997
Applicant:
Inventors:
Dae-Il Oh, Kyoungki-do, KR;
Eung-Ryeol Kim, Seoul, KR;
Dae-Hyun Kim, Seoul, KR;
Won-Jin Lee, Seoul, KR;
Assignee:
Hyundai Electronics Ind Co., Ltd., Kyoungki-do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
375265 ; 375262 ; 375341 ; 371 434 ;
Abstract
A traceback device of a trellis decoder including a memory for storing survivor path information as much as a decision depth, a multiplexing unit for decoding the survivor path information received from the memorizing unit, and a traceback unit receiving the survivor path information of lower bits decoded by the multiplexing unit and state output of itself, to carry out a state transition and trace back the decoded value of lower bits.