Patent ID: 7667130

Claim:
A percussion detecting apparatus comprising: a percussion surface part formed of an air-permeable material and having a light transmitting property, and including a central part, a peripheral part, and an intermediate part located between the central part and the peripheral part; a support part that supports said percussion surface part at the central part of said percussion surface part; a detecting device that detects a beat applied to a percussion face of said percussion surface part and outputs a beat signal; and a light emitting/irradiating device that emits/irradiates light in accordance with the beat signal output from said detecting device when the beat is applied to the percussion surface of said percussion surface part, wherein said percussion surface part is formed into a cymbal-shaped form in which a central portion of said percussion surface part is projected, and wherein a lower surface portion of the intermediate part of said percussion surface part is tensioned towards and affixed to the support part via an extension member.