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This page displays all 「FI」 in main group G01R19/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Arrangements for measuring currents or voltages or for indicating presence or sign thereof (G01R 5/00 takes precedence; for measuring bioelectric currents or voltages A61B 5/24) [2006.01] | HB | CC | 2G035 | |
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For AC signals | HB | CC | 2G035 | |
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For DC signals | HB | CC | 2G035 | |
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For minute signals | HB | CC | 2G035 | |
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Related to input circuits | HB | CC | 2G035 | |
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.High-impedance input circuits | HB | CC | 2G035 | |
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..Using of vacuum tubes | HB | CC | 2G035 | |
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.Converting levels | HB | CC | 2G035 | |
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.Protecting circuits | HB | CC | 2G035 | |
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.Using of electron beams | HB | CC | 2G035 | |
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Separating signals | HB | CC | 2G035 | |
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.Removing noises | HB | CC | 2G035 | |
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Correcting signals | HB | CC | 2G035 | |
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.Resetting, base line correcting, calibrating | HB | CC | 2G035 | |
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.Correcting drifts | HB | CC | 2G035 | |
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Coping with special signals | HB | CC | 2G035 | |
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Related to level meters (UV meters) | HB | CC | 2G035 | |
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Related to indicating circuits | HB | CC | 2G035 | |
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Converting voltage to currents and vise versa | HB | CC | 2G035 | |
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Holding samples | HB | CC | 2G035 | |
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Using of lights | HB | CC | 2G035 | |
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Using of Josephson element | HB | CC | 2G035 | |
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Processing signals from transducers | HB | CC | 2G035 | |
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Of mechanical types | HB | CC | 2G035 | |
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Others | HB | CC | 2G035 | |
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.Measuring effective values, i.e. root-mean-square values | HB | CC | 2G035 | |
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..using thermoconverters [4] | HB | CC | 2G035 | |
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.Measuring peak values of ac or of pulses [2] | HB | CC | 2G035 | |
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Digital conversions after sampling | HB | CC | 2G035 | |
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Using of peak retaining condensers | HB | CC | 2G035 | |
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Using of comparators | HB | CC | 2G035 | |
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Using of differentiating circuits | HB | CC | 2G035 | |
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Others | HB | CC | 2G035 | |
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.Measuring real component; Measuring reactive component | HB | CC | 2G035 | |
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.Measuring current density | HB | CC | 2G035 | |
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.Measuring sum, difference, or ratio | HB | CC | 2G035 | |
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Measuring sums or differences | HB | CC | 2G035 | |
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Measuring ratios | HB | CC | 2G035 | |
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Others | HB | CC | 2G035 | |
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.Measuring rate of change | HB | CC | 2G035 | |
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.Indicating direction of current; Indicating polarity of voltage | HB | CC | 2G035 | |
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.Indicating the presence of current or voltage [3] | HB | CC | 2G035 | |
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..Indicating the presence of current [3] | HB | CC | 2G035 | |
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..Indicating the presence of voltage [3] | HB | CC | 2G035 | |
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.Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values [3] | HB | CC | 2G035 | |
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Comparator circuits | HB | CC | 2G035 | |
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.With hysteresis characteristics | HB | CC | 2G035 | |
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.Window comparators | HB | CC | 2G035 | |
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.Multi-level comparators | HB | CC | 2G035 | |
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.Using of electromagnetic circuits | HB | CC | 2G035 | |
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Circuits selecting one of multiple signals based on level | HB | CC | 2G035 | |
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.Circuits for selecting maximum values | HB | CC | 2G035 | |
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.Circuits for selecting minimum values | HB | CC | 2G035 | |
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Related to detecting DC levels | HB | CC | 2G035 | |
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.Detecting faults of DC power supplies | HB | CC | 2G035 | |
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..Detecting over-voltages or over-currents | HB | CC | 2G035 | |
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.Detecting battery voltages | HB | CC | 2G035 | |
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..Combinations with indicating means | HB | CC | 2G035 | |
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Related to detecting AC levels | HB | CC | 2G035 | |
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.Detecting faults of AC power supplies | HB | CC | 2G035 | |
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..Detecting over-voltages or over-currents | HB | CC | 2G035 | |
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.Related to modulating pulse widths | HB | CC | 2G035 | |
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.Detecting power failures | HB | CC | 2G035 | |
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Detecting logic levels | HB | CC | 2G035 | |
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Related to indicating circuits | HB | CC | 2G035 | |
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.Using of liquid crystals | HB | CC | 2G035 | |
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.Level meters | HB | CC | 2G035 | |
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..With memory circuits | HB | CC | 2G035 | |
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Others | HB | CC | 2G035 | |
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..giving an indication of the number of times this occurs [3] | HB | CC | 2G035 | |
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.Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero [3] | HB | CC | 2G035 | |
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.using conversion of dc into ac, e.g. with choppers | HB | CC | 2G035 | |
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..using transductors | HB | CC | 2G035 | |
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.using conversion of ac into dc | HB | CC | 2G035 | |
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Using of phase shifting circuits | HB | CC | 2G035 | |
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Related to multi-phase (three phase) circuits | HB | CC | 2G035 | |
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Others | HB | CC | 2G035 | |
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.using digital measurement techniques [3] | HB | CC | 2G035 | |
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..using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency [4] | HB | CC | 2G035 | |
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..using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency [4] | HB | CC | 2G035 | |
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..using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method [4] | HB | CC | 2G035 | |
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.adapted for measuring in circuits having distributed constants | HB | CC | 2G035 | |
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.Measuring the maximum or the minimum value of current or voltage reached in a time interval () [2,3] | HB | CC | 2G035 | |
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.Compensating for temperature change [2] | HB | CC | 2G035 | |