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:
Feb. 28, 2006
Filed:
Dec. 17, 2003
Guoming G. Zhu, Novi, MI (US);
Kevin D. Moran, Trenton, MI (US);
Guoming G. Zhu, Novi, MI (US);
Kevin D. Moran, Trenton, MI (US);
Visteon Global Technologies, Inc., Van Buren Township, MI (US);
Abstract
The present invention is directed to a dual charge rate power supply circuit and method for ionization detection. The circuit includes a first diode, first and second capacitors, and first and second current paths. The first diode includes an anode operably connected to a first end of a primary winding. The first capacitor has a second end operably connected to ground and the second capacitor has a first end operably connected to the cathode of the first diode as well as a second end operably connected to ground. The first and second current paths are operably connected between the first and second capacitors and include a second diode, a parallel combination of a first resistor and a third diode, and a second resistor. The first diode is operably connected in parallel with the first capacitor. The second resistor has a first end operably connected to the cathode of the first diode and the parallel combination is operably connected between a second end of the second resistor and the first end of the first capacitor.