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:
Jun. 29, 2010

Filed:

Feb. 22, 2008
Applicants:

Hans Juergen Mattausch, Higashihiroshima, JP;

Tetsushi Koide, Higashihiroshima, JP;

Yuki Tanaka, Higashihiroshima, JP;

Md. Anwarul Abedin, Higashihiroshima, JP;

Inventors:

Hans Juergen Mattausch, Higashihiroshima, JP;

Tetsushi Koide, Higashihiroshima, JP;

Yuki Tanaka, Higashihiroshima, JP;

Md. Anwarul Abedin, Higashihiroshima, JP;

Assignee:

Hiroshima University, Hiroshima, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An amplifier circuit according to the present invention includes a plurality of input nodes receiving a plurality of input voltages (VIto VI), a plurality of differential amplifiers provided corresponding to the plurality of input nodes, each having one input which receives a voltage of the corresponding input node, and a control circuit generating a control voltage (CONTROL) that follows a minimum voltage or a maximum voltage of the plurality of input voltages (VIto VI) from outputs of the plurality of differential amplifiers and supplying the generated control voltage (CONTROL) as a common value to the other inputs of the plurality of differential amplifiers.


Find Patent Forward Citations

Loading…