Swing recorder

Claim 1

A SWING RECORDER FOR PHOTOGRAPHING AN ATHLETE AT A SELECTED PORTION OF A SWING COMPRISING, IN COMBINATION, A PLURALITY OF PHOTOELECTRIC CELLS DEFINING A SUBSTANTIALLY CLOSED FIGURE, A PLURALITY OF LIGHT SOURCES EQUAL IN NUMBER TO THE NUMBER OF PHOTOELECTRIC CELLS SPACED FROM THE PHOTOELECTRIC CELLS, EACH OF SAID LIGHT SOURCES BEING COOPERATIVE WITH A RESPECTIVE PHOTOELECTRIC CELL BY EMITTING A BEAM OF LIGHT TOWARD ITS REPECTIVE PHOTOELECTRIC CELL TO ENERGIZE THE PHOTOELECTRIC CELL, A CAMERA SPACED FROM THE PHOTOELECTRIC CELLS AND HAVING A PORTION OF THE BEAM OF LIGHT FROM EACH OF THE LIGHT SOURCES TO THE RESPECTIVE PHOTOELECTRIC CELLS IN ITS PICTURE FIELD, A SELECTOR CONNECTED TO THE PHOTOELECTRIC CELLS, A NORMALLY OPEN RELAY CONNECTED TO THE SELECTOR TO BE CLOSED BY INTERRUPTION OF A BEAM OF LIGHT TO A PHOTOELECRIC CELL CONNECTED TO THE RELAY THROUGH THE SELECTOR, MEANS CONNECTED TO RELAY FOR OPERATING THE CAMERS, A STEPPING RELAY CONNECTED TO SAID FIRST RELAY THROUGH A SWITCH SAID STEPPING RELAY HAVING ALTERNATE POSITIONS CONNECTED TO THE THIRD RELAY AND TO SAID MEANS, SAID MEANS BEING CONNECTED TO THE THIRD RELAY THROUGH A SECOND SWITCH, WHEREBY THE STEPPING RELAY MAY BE SELECTIVELY CONNECTED TO THE MEANS FOR OPERATING THE CAMERA THROUGH THE FIRST AND SECOND SWITCH TO ALLOW A SELECTED PHOTOELECTRIC CELL TO OPERATE THE CAMERA ON ITS SECOND IMPULSE RATHER THAN IS FIRST THEREBY ALLOWING AN ATHLETE TO GO THROUGH A BACK SWING AND PHOTOGRAPH A PORTION OF A DOWN SWING AFTER THE BACK SWING HAS BEEN COMPLETED.