Knock sensing

[Gary Derian]

Saab has used if for years, called Trionic.

Gary Derian <gderian at oh.verio.com>

>I would like to know more about this topic as well, I have seen the article
>an understand the theory, but has any-one out there implemented it yet?
>
>CarloP.
>
>> I was wondering, has anyone out there built or knows of a way to
>> detect knock via the ignition system?  I think I saw an article on
>> this once where the current flowing into the spark plug just after
>> ignition can be used to detect knock and air/fuel ratios.
>>
>> Thanks
>>
>> Brian F.
>