ISight with USB to IEEE 1394 adapter

Has anyone tried using the iSight with a USB to Firewire adapter? Such as the ones sold on ebay? Will this work or fry the cam?

i used a firewire isight with my mac mini for online confrencing , but i had to use the firewire for a cctv system i had installed in my building.
being the owner of an electronics company i set out to make a firewire to usb converter
unfortunately my cctv system had a higher bandwith so had to use the firewire.
after about 6 hours design i got down to building the circuit. it was hugely expensive to build, cost me about $500 and looking back i guess it would have been easier to buy a firewire hub.
it consisted of a surface mount electronics board with an Ali usb 2.0 and a TI firewire chip attached through another controller.
this other controller is used for PCI ports in motherboards so essentially it was a pci usb card and a pci firewire card in a pc connected in a clever way.
along with other components the final unit was about the same size as the average mobile phone.
MAC recognises it as a usb hub and my isight plugs into the firewire port on it.
i have since used the same design to make an IDE to SATA controller and a usb to bluetooth device (if you want your usb keyboard to run on bluetooth)
certainly because these are one offs they will be far too expensive for most people, and i feel the demand is not high enough for us to produce these is large quantities.
so to answer your question yes you can convert usb to firewire and vice versa, and it is impossible to be done with just a cable, and it would probably be cheaper to buy a pc with more than 1 firewire port

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