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:
Mar. 02, 1999
Filed:
Apr. 08, 1998
Applicant:
Inventors:
Seung Hyun Yi, Ichon, KR;
Jae Hwan Kim, Ichon, KR;
Assignee:
Hyundai Electronics Industries Co., Ltd., Ichon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518907 ; 365145 ; 365149 ; 36518907 ; 36518909 ; 365207 ;
Abstract
A variable comparison voltage generation apparatus for a semiconductor memory element substitutes a variable comparison voltage amplifier for a fixed comparison voltage amplifier used for a ferroelectric substance memory. The variable comparison voltage generation apparatus according to the present invention accurately detect the data stored in the memory element with ferroelectric substance.