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:
Nov. 12, 2013

Filed:

Jan. 05, 2012
Applicants:

Michiyo Yamamoto, Osaka, JP;

Kenji Murata, Osaka, JP;

Kazuya Hatooka, Hyogo, JP;

Inventors:

Michiyo Yamamoto, Osaka, JP;

Kenji Murata, Osaka, JP;

Kazuya Hatooka, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clock and data recovery circuit includes a multiphase clock generator circuit which generates a multiphase clock having a plurality of clocks, a sampling circuit which samples a received data signal transferring serial data in synchronism with each of the plurality of clocks, and generates a plurality of data signals, a data recovery unit which generates a selection signal indicating a data signal having an appropriate phase among the plurality of data signals, and a storage unit which stores the selection signal. The data recovery unit selects one of the plurality of data signals, based on the selection signal read from the storage unit, and a clock corresponding to the selected data signal.


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