Check out epinions.com for some info on scanners...
THERE ARE ALL KIND OF SCANNERS THERE ARE POLICE SCANNERS AND STORM SCANNERS C.B. SCANNERS THAT'S WHAT A SCANNER IS I HAVE HAD ALL OF THEM BEFORE
Most scanners are flatbeds, in that you lay the original face-down on the glass and scan it like in a photocopy machine. Some are available with sheet-feeders, useful for scanning stacks of originals (again, like the sheet feeders on copy machines). ...