Photoelectric commutator with rotatably mounted plate

Claim 1

PHOTOELECTRIC COMMUTATOR COMPRISING A ROTATABLY MOUNTED PLATE HAVING AT LEAST TWO CUTOUTS, ONE OF SAID CUTOUTS ARCUATELY EXTENDING BEYOND BOTH RADIAL SIDES OF THE OTHER OF SAID CUTOUTS, A FIRST GROUP OF PHOTOELECTRIC CELLS HAVING AT LEAST A PAIR OF CELLS MOUNTED ON ONE SIDE OF SAID PLATE ADJACENT SAID ONE CUTOUT, SAID CELLS OF A PAIR DISPOSED ALONG RADIAL LINES IN DIFFERENT QUADRANTS, A SECOND GROUP OF PHOTOELECTRIC CELLS COMPRISING AT LEAST ONE CELL MOUNTED ADJACENT SAID OTHER CUTOUT ON SAID ONE SIDE OF SAID PLATE AND SUPPORTED ALONG ONE OF THE RADIAL LINES OF SAID PAIR OF CELLS OF SAID FIRST GROUP, A SOURCE OF LIGHT SUPPORTED ON THE OPPOSITE SIDES OF SAID PLATE ADJACENT THE ROTATING PATHS OF SAID CUTOUTS, MEANS TO ROTATE SAID PLATE IN ONE DIRECTION WHEREBY SAID CELLS ARE SEQUENTIALLY UNCOVERED TO PERMIT CONTROL POTENTIALS TO BE GENERATED AT PRESELECTED RATES, AND MEANS INCLUDING SAID ONE CUTOUT AND SAID FIRST GROUP OF CELLS TO ESTABLISH AT LEAST ONE ALTERNATING SQUARE WAVE CURRENT FIELD.