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:
Jul. 10, 2012
Filed:
Jan. 19, 2010
Applicants:
Jong-doo Joo, Gyeonggi-do, KR;
Cheol-ha Lee, Gyeonggi-do, KR;
Sang-seok Lee, Gyeonggi-do, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/143 (2006.01); G03K 3/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oscillation circuit includes an internal voltage generator and an oscillator. The internal voltage generator receives an external voltage and generates an internal voltage based on the external voltage. The internal voltage varies in linearly with an operational temperature. The oscillator generates a variable oscillation signal based on the internal voltage. A period of the variable oscillation signal varies in linearly with the operational temperature.