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. 29, 2011
Filed:
Aug. 15, 2007
Applicants:
Sterling Smith, Hsinchu Hsien, TW;
Chung-ho Ning, Hsinchu County, TW;
Inventors:
Sterling Smith, Hsinchu Hsien, TW;
Chung-Ho Ning, Hsinchu County, TW;
Assignee:
Mstar Semiconductor, Inc., Hsinchu Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A read state retention circuit and method are disclosed. The read state retention circuit comprises a charge storage unit, charging unit, sensing circuit and state indicator. The charging circuit is coupled to the charge storage unit for charging the charge storage unit. The sensing circuit is coupled to the charge storage unit for sensing a voltage level of the charge storage unit. The state indicator is coupled to the sensing circuit for outputting an indication signal in response to the voltage level.