Technology for virtual keyboards is evolving. A projection-based virtual keyboard product is now available from VKB Inc, a US and Israel based company.
The first application of the [unique, patent-pending optical technology that uses standard, low-cost components] technology, the Virtual Keyboard-Enabled SX-1, consists of a projection system and a detection system.
The projection system (custom laser technology) projects the image of a full-size keyboard on any nearby flat surface. The detection system (IR Beam and CMOS sensing unit) allows complete detection of user finger movements and keystrokes.
For the initial standalone keyboard accessory product, the keyboard can connect to a handheld through a serial, USB, IrDA, or Bluetooth interfaces. The Driver is compatible with Windows 98/XP/NT/2000, WinCE/PocketPC, Linux, Palm and Symbian operating systems.
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