Keyboard arrangement in electronic musical instrument

摘要: A keyboard arrangement in electronic musical instrument comprising playing keys movable to cover a predetermined distance normal play and also being able move farther excess of said accordance with the pressure applied keys, arm arranged at position corresponding each key its depressed position, sensor means provided for detect amount excessive covered by speed thereof generate signal be used control expression such as tone volume, color like. The preferably further includes deformable cushion normally nondeformingly contacting, upper end, bottom surface member during movement positionally but is deformed when makes key. Thus, inhibited develop undesirable vibrations movements precise detection can made.