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:
Feb. 12, 2008

Filed:

Dec. 22, 2006
Applicants:

Hiroyuki Kobayashi, Kawasaki, JP;

Masaki Okuda, Kawasaki, JP;

Inventors:

Hiroyuki Kobayashi, Kawasaki, JP;

Masaki Okuda, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 11/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A logical circuit receives first and second input signals in which a period of a first logic level partially overlaps, and outputs first and second output signals in which a period of the first logic level does not overlap. The logical circuit comprises a first unit which changes a phase of the first output signal from a second logic level to the first logic level when a change of the first input signal from the second logic level to the first logic level is detected. A second unit changes a phase of the second output signal from the first logic level to the second logic level when the second input signal is detected as being at the first logic level at a time of detection of the change of the first input signal.


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