In one embodiment, a portable storage device includes a removable device interface and a non-volatile memory having a read-only partition and a regular storage partition. The read-only partition may include a protection program for scanning data in the regular storage partition for viruses. Upon connection...http://www.google.com.tw/patents/US7975304?utm_source=gb-gplus-share專利 US7975304 - Portable storage device with stand-alone antivirus capability
