A printing unit is built into an upper portion of a handheld terminal, a display unit is built into the middle portion, and a key inputting unit is built into a lower portion. A laser type scanner for reading a barcode, etc., is built into the right side of the main body, and a switch for turning on/off...http://www.google.es/patents/US7165724?utm_source=gb-gplus-sharePatente US7165724 - Portable terminal
