Re: Hey, Win! CCFL Inverter "self-learning" resonant frequency?

Spehro Pefhany wrote...
>
> Winfield Hill wrote:
>
>> Jim Thompson wrote...
>>>
>>> Win,
>>>
>>> What do you know about CCFL inverters that claim
>>> "self-learning" of the transformer resonant frequency?
>>>
>>> Thanks!
>>
>> Getting involved in patent cases again? I see a patent
>> application "High-efficiency adaptive dc/ac converter,"
>> is that the one? "... the circuit is self-learning
>> and is adapted to determine the optimum operating
>> frequency for the circuit with a given load"
>
> I'd dither, synchronously demodulate and integrate.

Well, we can read two nearly-identical already-issued
self-learning CCFL patents, US6259615 and US6396722,
http://free.patentfetcher.com/Patent-Fetcher-Form.php


--
Thanks,
- Win
.

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