METHOD AND DEVICE FOR DECIDING PERCUSSION OPERATION AREA

摘要

PURPOSE: To make precisely decidable areas and to set various areas while eliminating the need for change to a mechanical part. CONSTITUTION: A percussion area on a percussion surface is decided by providing 19 percussion sensors A to S which are decentralized and arranged at operation parts 31 (32, 33) recognized to have three areas Z1 to Z3 on the percussion surface and can detect whether a percussion is made. Further, the device is equipped with a trigger conversion part 141 which converts detection signals from the 19 sensors A to S detected at every 1/60 second into trigger information indicating whether percussion operation starts and a conversion table 116 which shows the relation all combination of pieces of trigger information corresponding to the 19 sensors A to S and an area determined as an wherein the percussion surface is considered to be percussed.