Patent ID: 8162772

Claim:
A system for measuring the motion and speed of a golf club swung by a golfer, the system comprising: a golf club comprising a shaft and a golf club head, the golf club head having two strips of a magnetic material thereon, a first strip of the magnetic material positioned on a heel-side of a face of the golf club head and a second strip magnetic material positioned on a toe-side of the face of the golf club head; and eight magnetic sensors positioned to create a swing field for reception of a magnetic field from the two strips as the golf club is swung through the swing field towards, the eight magnetic sensors positioned in a pattern below the swing path of the golf club in two rows with each row parallel to the other row and each row having four magnetic sensors; wherein the eight magnetic sensors capture the speed and motion of the golf club as the golf club is swung through the swing field by a golfer.