Frette nine pet

How do i connect a usb camera to a serial port? - what is google camera adapter

iv tryed Google and eBay and Maplin etc. all have a converter that you can connect a serial device into a USB port to do, but my old laptop only has a USB serial port is not everything. I take my camera, but it is USB, I bought a USB CardBus card, but the type II and, as usual (laptop must be of type StoneAge)
Has anyone a link to a serial / USB, or a better idea, except the burning of the laptop and turn it into modern art