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. 04, 2005
Filed:
Oct. 22, 2001
Applicant:
Barry F. Waltman, Brier, WA (US);
Inventor:
Barry F. Waltman, Brier, WA (US);
Assignee:
Medtronic Physio-Control Corp., Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 139 ;
U.S. Cl.
CPC ...
Abstract
Techniques are described for charging an energy storage device, such as the high-voltage energy storage capacitors of an external defibrillation device, using an average current mode control technique. By controlling the average current in a transformer, energy may be stored rapidly and at controlled energy levels.