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:
Dec. 25, 2018
Filed:
Jun. 14, 2017
Applicant:
Mosway Semiconductor Limited, Tsuen Wan, Hong Kong SAR, CN;
Inventors:
Chi-Keung Tang, Hong Kong SAR, CN;
Chiu-Sing Celement Tse, Hong Kong SAR, CN;
Ngai Wa Wong, Hong Kong SAR, CN;
Assignee:
Mosway Semiconductor Limited, Tsuen Wan, Hong Kong SAR, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/28 (2006.01); H02M 1/08 (2006.01); H02M 3/335 (2006.01); G05F 1/46 (2006.01);
U.S. Cl.
CPC ...
H02M 3/285 (2013.01); G05F 1/46 (2013.01); H02M 1/08 (2013.01); H02M 3/33592 (2013.01);
Abstract
A supply circuit includes a rectifying bridge arranged in series between two high voltage capacitors. An AC line provides an intermediate voltage to a low voltage capacitor through the two high voltage capacitors. A plurality of resistors mounted in series with the two high voltage capacitors. A voltage clamping device limits the intermediate voltage at the low voltage capacitor and a linear series regulator provides an output DC voltage.