US Patent 7781667 Electronic wind instrument

Electronic wind instrument includes a body section, and a blowing unit pivotably supported on the body section. The blowing unit includes a lip plate section that abuts with a lower lip part of a human player, and a blowing detection section that detects a flow rate of a breath blown by the human player. The blowing unit, which is pivotable about a longitudinal shaft of the body section, includes retaining elements that retain the blowing unit at a predetermined pivoting position, and scale marks for indicating a pivoting position of the blowing unit retained by the retaining elements.