The glass topped design features no moving parts but instead works using acoustic and piezo-electric sensors.
The system compares sounds made by tapping of the screen to a database of signatures determining which key is being used.
The keyboard would still display the traditional Qwerty keys but three sensors within the keyboard would be “sufficiently precise” to triangulate the position of the tap said the patent filing.
Their are now any key on the keyboard. The glass topped design feature on moving path but it worked by electronic device and piezo-electric sensors. The electronic sensors is the very latest electronic device. The key less keyboard like screen touch keyboard.The key on the keyboard look like traditional keyboard but there are no any key on keyboard.A electronic sensors work into the keyboard. Its the first key less keyboard on world. So it take a good market place on the world.
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