Patent ID: 7446254

Claim:
An electronic percussion instrument, comprising: a pad portion of separately located conducting pads; a stick portion of conducting terminals for hitting the said conducting pad; and a main portion for recognizing which pad is hit by which stick and generating sound of drum assigned for the hit pad or transmitting the playing drum signal to outer system, wherein the stick portion comprises the conducting terminals grounded with pull down resistor and connected to an input port of microcontroller for hitting pad, the pad portion comprises the conducting pads grounded with pull down resistors and connected to different output port of microcontroller in main portion, and the main portion comprises microcontroller which recognizes which pad is hit by stick by continuously checking the rise of voltage of input port of microcontroller and at the same time, by continuously changing the output pattern which has the output ports of low voltage except only one output port of high voltage where the output port of low voltage continuously rotates among output ports.