Graffiti (Palm OS)

Graffiti is a software for the recognition of handwritten character input that is used primarily in PDAs with the Palm OS operating system for data entry. There are implementations for other PDA operating systems that can be installed as an alternative input method. 2010 The Japanese company Access that the rights when buying PalmSource acquired in 2005, brought out a version for Android. With these inputs are possible in Japanese characters.

Graffiti recognizes a simplified font, derived from block letters to uppercase, which is written with a stylus on a touchscreen. Difficult to be recognized letters, numbers and special characters, such as " A", " F ", " K ", "T ", "4 " and "%" are written simplified. For devices with Palm OS is an area of ​​the touchscreen is firmly established for character input, from which the right part is partitioned off for entering digits. For other operating systems, the input area is displayed.

1997 Xerox sued the then owner of Palm, U.S. Robotics, which was later acquired by 3Com, successful patent infringement. Palm was the continued use of graffiti prohibited, after which a new Palm, licensed character recognition software under the name "Graffiti 2 " marketed. This was first used in the Tungsten series ( Palm OS 5 ) are used.