Inventions on Soft Keyboards -- A TRIZ Based Analysis

The soft keyboards are onscreen representation of physical keyboard having alphanumeric characters and other controls. The user operates the soft keyboard with the mouse, a stylus or other pointing device. The soft keys dont have any mechanical component. The soft keyboards are used in many public places for informational purpose, educational systems and financial transactional systems. A soft keyboard is convenient in some cases where a hard keyboard is difficult to manage. The soft keyboard is a substitute of a physical keyboard and is displayed on the screen. It displays the same type of alphanumeric and control keys like the keys on the actual keyboard. There are many inventions on a soft keyboard which makes the soft keyboard more efficient and effective. This article illustrates some inventions on soft keyboards from US patent database.