DOCUMENT SCANNER FOR A HANDHELD COMPUTING DEVICE
A scanner for a handheld computing device is disclosed. The scanner includes a housing. A USB port is on the housing. The scanner also includes a memory. A scanning microprocessor is configured and arranged to scan and store images on the memory. An USB controller is configured and arranged to mount the memory as a USB mass storage class device to a handheld computing device connected to the USB port.
1 . A scanner for a handheld computing device, comprising:
a housing;
a USB port on the housing;
a memory;
a scanning microprocessor configured and arranged to scan and store images on the memory; and
an USB controller configured and arranged to mount the memory as a USB mass storage class device to a handheld computing device connected to the USB port.
2 . The scanner of claim 1 , further comprising an authentication chip connected to the scanning microprocessor.
3 . The scanner of claim 1 , further comprising a first button configured and arranged to toggle the scanning microprocessor between a color mode and a black and white mode.
4 . The scanner of claim 1 , further comprising a second button configured and arranged to cycle the scanning microprocessor through available scanning resolutions.
5 . The scanner of claim 4 , wherein the second button may be cycled between 300, 600 and 1200 DPI.
6 . The scanner of claim 1 , further comprising a slot configured and received to receive removable media.
7 . The scanner of claim 1 , further comprising a RAM buffer configured and arranged to temporarily store images.
8 . The scanner of claim 1 , wherein the memory is removable.
9 . The scanner of claim 1 , further comprising a fault indicator providing feedback to the user that the scan is too fast.
10 . The scanner of claim 1 , further comprising a display configured and arranged to indicate settings of the scanner.
11 . The scanner of claim 1 , wherein communications with the handheld computing device are through the External Accessory Framework protocol.
12 . The scanner of claim 1 , further comprising a wand-shaped housing.