[Diy_efi] Patent 6120677

[bcroe at juno.com]

Nice work.  I'll need to look at this more.  Apparently they pulse 
the Vs cell briefly to determine its impedance, finishing with a
mirror image pulse to get it back to its original mission quickly.

Bruce Roe

On Thu, 11 Jul 2002 02:23:56 -0700 Perry Harrington 
<pedward at apsoft.com> writes:
> Hello,
> 
> I have downloaded all the images for patent 6120677 and 
> put them into a PDF.
> I converted the text portions into text to reduce it's size.
> 
> The patent is titled:
> 
> TEMPERATURE CONTROL FOR ALL RANGE OXYGEN SENSOR
> 
> It was written by the NGK folks and has a lot of interesting 
> information.
> 
> You can find it at 
> ftp://ftp.diy-efi.org/incoming/pat6120677_text.pdf


> Perry Harrington

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