Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06G
ANALOGUE COMPUTERS
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7/00
Devices in which the computing operation is performed by varying electric or magnetic quantities
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G06G7/12
Arrangements for performing computing operations, e.g.; operational; amplifiers specially adapted therefor
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G06G7/19
for forming integrals of products, e.g. Fourier integrals, Laplace integrals or correlation integrals; for analysis or synthesis of functions using orthogonal functions
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