Patent ID: 8228297

Claim:
An electronic device, comprising: a display; and an input module for entering characters on the display, the input module comprising: an input device having a plurality of first keys and a plurality of second keys; a plurality of switches disposed under the input device, wherein each of the switches is configured for detecting a corresponding press on each of the first and second keys respectively and switched on in response to the detected press; a first vibration element disposed under the input device, wherein the first vibration element vibrates when one of the first keys is pressed and the corresponding switch under the pressed first key is switched on, wherein the vibration intensity of the first vibration element is proportional to the distance between the first vibration element and the pressed first key; and a second vibration element disposed under the input device, wherein the second vibration element vibrates when one of the second keys is pressed and the corresponding switch under the pressed second key is switched on.