Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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19/00
Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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G01R19/165
Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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G01R19/16566
Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
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