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. 09, 2012

Filed:

Dec. 03, 2009
Applicants:

Ting-fa Yu, Yunlin County, TW;

Liang-wei Huang, Taipei, TW;

Rong-jen Chang, Taipei County, TW;

Ming-je LI, Yilan County, TW;

Inventors:

Ting-Fa Yu, Yunlin County, TW;

Liang-Wei Huang, Taipei, TW;

Rong-Jen Chang, Taipei County, TW;

Ming-Je Li, Yilan County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A master device for an Ethernet system is disclosed. The master device includes a receiver, a buffer, a phase lock loop unit, and a transmitter. The receiver is used for generating phase adjustment data according to transmission data sent by a slave device when the master device operates during a switch mode. The buffer is coupled to the receiver for accumulating the phase adjustment data and outputting a phase adjustment value. The phase lock loop unit is coupled to the buffer for adjusting the phase of an output clock according to the phase adjustment value to maintain a fixed phase difference between the recovery clock and the output clock. The transmitter is used for transmitting initialization data to the slave device according to the output clock.


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