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:
May. 05, 2009
Filed:
Apr. 07, 2008
Applicant:
Myung Jin Soh, Gyeonggi-do, KR;
Inventor:
Myung Jin Soh, Gyeonggi-do, KR;
Assignee:
Luxen Technologies, Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B 5/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is a sine wave oscillator having a self-startup circuit. The sine wave oscillator can start up and output sine waves having a constant frequency without receiving any signals other than supply voltage. The sine wave oscillator includes an operational amplification unit, a first resistor, a first capacitor, a second capacitor, a second resistor, a third resistor, a fourth resistor, and a startup circuit.