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.:
Date of Patent:
Oct. 19, 2010
Filed:
Apr. 06, 2009
Applicant:
Jun Takaso, Tokyo, JP;
Inventor:
Jun Takaso, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
A driver circuit comprises: differential amplification stages connected in series, and at least two cross-point adjuster circuits respectively connected to at least two differential amplification stages of the differential amplification stages. The cross-point adjuster circuits control at least one of the positive-phase and negative-phase DC levels of a corresponding differential amplification stage and adjust the cross point of the output signals of the corresponding differential amplification stage.