Patent ID: 6533674
Filing Date: 2003-03-18
Classification: A63B,G01P

Abstract:
A launch monitor system for measuring launch conditions of an object moving in a predetermined field-of-view, the system comprising:a light source directing light into the predetermined field-of-view at least when the object is in the predetermined field-of-view; a first camera unit pointed toward the predetermined field-of-view, wherein the first camera unit captures at least a first pair of images of the object on a single frame while the object is moving in the predetermined field-of-view, and wherein the first pair of images correspond to electronic activations of a first electronic shutter; a second camera unit pointed toward the predetermined field-of-view, wherein the second camera unit captures at least a second pair of images of the object on a single frame while the object is moving i the predetermined field-of-view, and wherein the second pair of images correspond to electronic activations of a second electronic shutter; a computer to control the system and determine the launch conditions of the object from said images; a calibration fixtore having reflective markings in at least three different planes; a line-of-sight of each camera unit; and at least one telescoping member for calibrating the system, wherein said calibration fixture includes a receiving element for receiving an end portion of said telescoping member, thereby placing the calibration fixture at an intersection of line-of-sight of the camera units.