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 8648628 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 11, 2014

Filed:

Sep. 21, 2011
Applicants:

Junichiro Shirai, Tokyo, JP;

Katsuki Matsudera, Kanagawa, JP;

Inventors:

Junichiro Shirai, Tokyo, JP;

Katsuki Matsudera, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, a main driver is configured to shift the level of a differential signal. A bypass circuit is configured to bypass current flowing through the main driver in such a manner as to contain the change amount of current running through the main driver flowing from a high power supply potential to a low power supply potential within a fixed range upon transition between an operating state and a standby state of the main driver.


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