Batter's swing analyzing apparatus

Claim 1

AN APPARATUS FOR INDICATING BAT SPEED, PLANE OF BAT SWING, AND POINT OF BALL IMPACT DURING THE BAT SWING, COMPRISING MEANS TO FACE A BATTER''S PLATE IN SPACED RELATION THERETO AND CREATING A PULSE OF ELECTRICAL ENERGY WHICH VARIES IN AMPLITUDE IN ACCORDANCE WITH THE HEIGHT OF A BAT AND OPERATIVE AS THE BAT PASSES A FIRST PREDETERMINED PLACE TO CREATE A FIRST PULSE OF ELECTRICAL ENERGY AND OPERATIVE AS SAID BAT PASSES A SECOND PREDETERMINED PLACE TO CREATE A SECOND PULSE OF ELECTRICAL ENERGY, WHEREBY IF THE BAT LEVEL IS DIFFERENT AT SAID PLACES, THE AMPLITUDES OF SAID FIRST AND SECOND PULSES WILL BE DIFFERENT, MEANS FOR COMPARING THE AMPLITUDE OF SAID FIRST AND SECOND PULSES AND INDICATING WHEN THE DIFFERENCE EXCEEDS A PREDETERMINED VALUE, MEANS FOR INDICATING THE DIFFERENCE IN TIME BETWEEN THE TWO PULSES TO INDICATE THE SPEED OF THE BATTER''S SWING, MEANS RESPONSIVE TO THE IMPACT OF THE BAT WITH A BALL TO CREATE A THIRD PULSE OF ELECTRICAL ENERGY, AND MEANS FOR INDICATING THE DIFFERENCE IN TIME BETWEEN THE THIRD PULSE AND ONE OF THE FIRST TWO NAMED PULSES.