POCKET DATA INPUT BOARD

The invention is a keyboard which is rigid, less than 2.5 mm thin, ultra-light, with large and spaced, touch sensitive, finger friendly keys for fast and easy, multi-finger, one or two hands, even walk and type touch typing. Its keys shapes and arrangements enable a full alphabet set plus several funtions of such large and spaced keys on a pocket sized surface, each key denoting many characters. It has on-device, add-on and detached versions and many variations. Conventional Mobile keyboards are either desk opearbel type which are bulky requiring set up for use, or are tiny on-device type which shrink the device screen and have crammed, pressure sensitive keys. The inventions has the good features of both types of conventional keyboards, resolves problems of both and adds additional features.