4. Electrical pulse counters, pulse dividers, or shift registers: c
  5. Applications
  6. Counting animate or inanimate entities

Paul E. Ridl

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Pitch match detecting and counting system

Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Counting animate or inanimate entities
Patent

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Pitch match detecting and counting system with tilted optical ax

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-1013074

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