That might work, but you probably need USB 2 compliance, not just USB 1.1. There are things like a USB 2 to fast ethernet extender
http://www.ramelectronics.net/html/u...t_adapter.html
But it's unclear if this would work, i.e. supply enough power through the Cat 5 and get the signalling right - it's more for a PC to cable modem conversion. It's unclear whether a CCD would work okay.