Electronic pitching aid
First Claim
Patent Images
2. AN ELECTRONIC PITCHING AID WHICH COMPRISES:
- PHOTOELECTRIC MEANS FOR GENERATING A PLANAR MATRIX OF LIGHT MEANS AND PROVIDING A SIGNAL INDICATING THE LOCATION IN WHICH AN OBJECT PASSES HOME PLATE, SAID SIGNAL HAVING A DURATION PROPORTIONAL TO THE TIME SAID OBJECT INTERRUPTS SAID BEAMS, MEANS FOR PASSING ONLY THOSE OF SAID SIGNALS HAVING LESS THAN A PRESELECTED DURATION, AND MEANS FOR SWITCHING ON A LIGHT INDICATING SAID LOCATION IN RESPONSE TO A PASSED SIGNAL.
0 Assignments
0 Petitions
Accused Products
-
Citations
2 Claims
-
2. AN ELECTRONIC PITCHING AID WHICH COMPRISES:
- PHOTOELECTRIC MEANS FOR GENERATING A PLANAR MATRIX OF LIGHT MEANS AND PROVIDING A SIGNAL INDICATING THE LOCATION IN WHICH AN OBJECT PASSES HOME PLATE, SAID SIGNAL HAVING A DURATION PROPORTIONAL TO THE TIME SAID OBJECT INTERRUPTS SAID BEAMS, MEANS FOR PASSING ONLY THOSE OF SAID SIGNALS HAVING LESS THAN A PRESELECTED DURATION, AND MEANS FOR SWITCHING ON A LIGHT INDICATING SAID LOCATION IN RESPONSE TO A PASSED SIGNAL.
Specification