https://www.slashgear.com/hitachi-cp-a100j-creates-ultraportable-56-inch-touchscreen-0959769/
Hitachi CP-A100J Creates Ultraportable 56-Inch Touchscreen
Oct 9, 2009 - Short-throw projectors are nothing new, but Hitachi's latest does bring something different to the table: in fact it creates a table-top projected touchscreen...
hitachicpcreatesultraportableinch