Electricity: measuring and testing – Internal-combustion engine ignition system or device – Electronic ignition system
Reexamination Certificate
2006-02-28
2006-02-28
Benson, Walter (Department: 2858)
Electricity: measuring and testing
Internal-combustion engine ignition system or device
Electronic ignition system
C324S382000
Reexamination Certificate
active
07005855
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.
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U.K. Patent Office, Combined Search and Examination Report Under Sections 17 and 18(3); dated Mar. 8, 2005 (2 pages).
Moran Kevin D.
Zhu Guoming G.
Benson Walter
Dickinson Wright PLLC
Visteon Global Technologies Inc.
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