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:
Jun. 23, 2009
Filed:
May. 17, 2006
Applicants:
Chiaki Dono, Tokyo, JP;
Yasuji Koshikawa, Tokyo, JP;
Inventors:
Chiaki Dono, Tokyo, JP;
Yasuji Koshikawa, Tokyo, JP;
Assignee:
Elpida Memory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Double refresh executing means is changed in accordance with a manner (distributed refresh or burst refresh) of a refresh command so as to suppress a drop of internal power supply that occurs upon double refresh.