Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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13/00
Conveying record carriers from one station to another, e.g. from stack to punching mechanism
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G06K13/02
the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
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G06K13/08
Feeding or discharging cards
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G06K13/0868
using an arrangement for keeping the feeding or insertion slot of the card station clean of dirt, or to avoid feeding of foreign or unwanted objects into the slot
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G06K13/0887
the arrangement comprising a size filter for filtering out only cards having the proper size
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