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.:

US 8120442 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 21, 2012

Filed:

Nov. 07, 2008
Applicants:

Ji-wang Lee, Gyeonggi-do, KR;

Kun-woo Park, Gyeonggi-do, KR;

Yong-ju Kim, Gyeonggi-do, KR;

Hee-woong Song, Gyeonggi-do, KR;

Ic-su OH, Gyeonggi-do, KR;

Hyung-soo Kim, Gyeonggi-do, KR;

Tae-jin Hwang, Gyeonggi-do, KR;

Hae-rang Choi, Gyeonggi-do, KR;

Inventors:

Ji-Wang Lee, Gyeonggi-do, KR;

Kun-Woo Park, Gyeonggi-do, KR;

Yong-Ju Kim, Gyeonggi-do, KR;

Hee-Woong Song, Gyeonggi-do, KR;

Ic-Su Oh, Gyeonggi-do, KR;

Hyung-Soo Kim, Gyeonggi-do, KR;

Tae-Jin Hwang, Gyeonggi-do, KR;

Hae-Rang Choi, Gyeonggi-do, KR;

Assignee:

Hynix Semiconductor Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device includes transmission lines for conveying signals and transition detectors, each of which checks whether a transmission signal on each of the plurality of transmission lines is transited. If the signal is transited, its transition shape is detected. A signal mode determining unit determines signal transmission modes between adjacent transmission lines in response to output signals from the plurality of transition detectors. Delay units are coupled to the respective transmission lines for adjusting transmission delays of the transmission signals depending on corresponding output signal from the signal mode determining units.


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