Tsao; Feng-Cheng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsao; Feng-Cheng.The latest application filed is for "control circuit for measuring and regulating output current of ccm power converter".

Company Profile

0.9.9

Tsao; Feng-Cheng - Pingtung County TW
Tsao; Feng Cheng - Linbian Township Pingtung County TW
Tsao; Feng Cheng - Pingtung TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Control circuit for measuring and regulating output current of CCM power converter Grant 7,663,352 - Yang , et al. February 16, 2	2010-02-16
Primary-side controlled switching regulator Grant 7,561,447 - Yang , et al. July 14, 2	2009-07-14
Control Circuit For Measuring And Regulating Output Current Of Ccm Power Converter App 20090058389 - Yang; Ta-yung ; et al.	2009-03-05
Control circuit of power converter having adaptive bias for detecting reflected voltage of transformer Grant 7,492,613 - Yang , et al. February 17, 2	2009-02-17
Transistor drive circuit of power converter operating in a wide voltage range Grant 7,471,121 - Yang , et al. December 30, 2	2008-12-30
Power converter having phase lock circuit for quasi-resonant soft switching Grant 7,466,569 - Yang , et al. December 16, 2	2008-12-16
Switching control circuit having a valley voltage detector to achieve soft switching for a resonant power converter Grant 7,426,120 - Yang , et al. September 16, 2	2008-09-16
Transistor Driver Circuit of Power Converter App 20080150503 - Yang; Ta-Yung ; et al.	2008-06-26
Primary-side Controlled Switching Regulator App 20080136393 - Yang; Ta-yung ; et al.	2008-06-12
Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply Grant 7,362,593 - Yang , et al. April 22, 2	2008-04-22
Primary-side controlled switching regulator Grant 7,352,595 - Yang , et al. April 1, 2	2008-04-01
Control circuit of power converter having adaptive bias for detecting reflected voltage of transformer App 20070133231 - Yang; Ta-yung ; et al.	2007-06-14
Switching control circuit having a valley voltage detector to achieve soft switching for a resonant power converter App 20070121352 - Yang; Ta-Yung ; et al.	2007-05-31
Power converter having phase lock circuit for quasi-resonant soft switching App 20070109820 - Yang; Ta-Yung ; et al.	2007-05-17
Primary-side controlled switching regulator App 20070103134 - Yang; Ta-yung ; et al.	2007-05-10
Switching control circuit with variable switching frequency for primary-side-controlled power converters Grant 7,061,780 - Yang , et al. June 13, 2	2006-06-13
Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply App 20060055433 - Yang; Ta-yung ; et al.	2006-03-16
Switching control circuit with variable switching frequency for primary-side-controlled power converters App 20060050539 - Yang; Ta-yung ; et al.	2006-03-09

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