Title:
Reading machine
United States Patent 2933246
Inventors:
Jacob, Rabinow
Publication Date:
04/19/1960
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Assignee:
Libman, Max L.
Primary Class:
382/212
International Classes:
G06K9/74; G06K9/74
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US Patent References:
2705901Oscillographic integrator
2302009Transmission system for statistical data
2240546Reading machine
2211320Photoelectric controlling device
2131911Light sensitive device