Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06F
ELECTRIC DIGITAL DATA PROCESSING
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13/00
Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
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G06F13/10
Program control for peripheral devices
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G06F13/12
using hardware independent of the central processor, e.g. channel or peripheral processor
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G06F13/122
where hardware performs an I/O function other than control of data transfer
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