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:
Sep. 09, 2008
Filed:
Jun. 23, 2006
Hideaki Miyamoto, Ogaki, JP;
Hideaki Miyamoto, Ogaki, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A memory capable of performing a refresh operation uncompetitively with an internal access operation also when an external access operation is non-cyclically performed is obtained. This memory comprises an external access detection portion detecting an external access operation, an access control portion performing an internal access operation on the basis of the external access operation and a refresh determination portion determining whether or not to perform a refresh operation on the basis of detection of the external access operation by the external access detection portion and the operating state of the access control portion. The access control portion performs the refresh operation before or after the internal access operation on the basis of the result of determination of the refresh determination portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile