How's This Smps Patent?

It's patent number 6343021
Or see:
http://www.google.com/patents?id=wvQKAAAAEBAJ&dq=6343021
I found this patent a nice read. Not too 'patentese'.

I still consider myself a newbie at smps design but doesn't this look
like a 'neat' looking topology?

Claims:
Neat unity power factor.
Simpler circuitry
Substantially lower cost
Higher efficiency
Longer operation life
Truly integrated magnetics
Highest energy density
Isolated output
Steps or steps down
No RHP zero
No DC through magnetics (If I read right)
No large electrolytics on input or output
Minimizes EMI through use of sinusoidal waveforms
+ other features

Gee...it's like the dream supply.. :P

Driving the mosfet in the bridge looks like a pita.
I believe that's going to need a floating power supply.

I'm all dazzled by this design.
I want to pop this sucker into LTspice and take it for a test drive.

Comments on this design..??

Or any bad jokes...

Yup... I grew up with the Beatles..
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.....and the cockroaches, ants and termites... It was a bug infested
house. :P


D from BC
British Columbia
Canada
.

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