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:
Jan. 27, 2009
Filed:
Aug. 11, 2005
Applicants:
Ghafour Benabdelaziz, Saint Pierre des Corps, FR;
Laurent Gonthier, Tours, FR;
Inventors:
Ghafour Benabdelaziz, Saint Pierre des Corps, FR;
Laurent Gonthier, Tours, FR;
Assignee:
STMicroelectronics SA, Montrouge, FR;
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/12 (2006.01); H02M 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A capacitive power supply circuit, comprising a power storage element between two output terminals for providing a rectified output voltage; in series between a first input terminal for applying an A.C. voltage and a first of the output terminals, at least one capacitor and a first diode; a switch controllable by application of a signal on a triggering terminal; and means for controlling said switch to the on state when the output voltage is in a predetermined range of values.