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:
Mar. 01, 2011
Filed:
Oct. 31, 2008
Applicant:
Roberto Casiraghi, Milan, IT;
Inventor:
Roberto Casiraghi, Milan, IT;
Assignee:
Maxim Integrated Products, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B 1/00 (2006.01); H03K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compact integrated circuit solutions for driving liquid lenses in autofocus applications. The invention uses a charge pump topology to produce high voltage, and needs only a low voltage external capacitor. No high voltage capacitor or inductor or transformer is used to provide the required high voltage or for smoothing the same.