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:
Dec. 13, 2005
Filed:
Nov. 26, 2003
Applicant:
Yoh Takano, Ogaki, JP;
Inventor:
Yoh Takano, Ogaki, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C011/22 ;
U.S. Cl.
CPC ...
Abstract
A memory device capable of suppressing reduction of a read margin resulting from fluctuation of a reference potential while reducing the area of a memory cell array is obtained. This memory device comprises hysteretic capacitance device and a read circuit applying a bias voltage to the capacitance means in different directions in a first time and a second time of data reading respectively for defining read data by comparing first read data and second read data with each other.