Membership
Tour
Register
Log in
Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Follow
Industry
CPC
G01R19/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
G
PHYSICS
G01
Measuring instruments
G01R
MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES
Current Industry
G01R19/00
Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Sub Industries
G01R19/0007
Frequency selective voltage or current level measuring
G01R19/0015
separating AC and DC
G01R19/0023
Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance
G01R19/003
Measuring mean values of current or voltage during a given time interval
G01R19/0038
Circuits for comparing several input signals and for indicating the result of this comparison
G01R19/0046
characterised by a specific application or detail not covered by any other subgroup of G01R19/00
G01R19/0053
Noise discrimination; Analog sampling; Measuring transients
G01R19/0061
Measuring currents of particle-beams, currents from electron multipliers, photocurrents, ion currents; Measuring in plasmas
G01R19/0069
measuring voltage or current standards
G01R19/0076
using thermionic valves
G01R19/0084
measuring voltage only
G01R19/0092
measuring current only
G01R19/02
Measuring effective values
G01R19/03
using thermoconverters
G01R19/04
Measuring peak values or amplitude or envelope of ac or of pulses
G01R19/06
Measuring real component Measuring reactive component
G01R19/08
Measuring current density
G01R19/10
Measuring sum, difference or ratio
G01R19/12
Measuring rate of change
G01R19/14
Indicating direction of current Indicating polarity of voltage
G01R19/145
Indicating the presence of current or voltage
G01R19/15
Indicating the presence of current
G01R19/155
Indicating the presence of voltage
G01R19/165
Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R19/16504
characterised by the components employed
G01R19/16509
using electromagnetic relays
G01R19/16514
using electronic tubes
G01R19/16519
using FET's
G01R19/16523
using diodes
G01R19/16528
using digital techniques or performing arithmetic operations
G01R19/16533
characterised by the application
G01R19/16538
in AC or DC supplies
G01R19/16542
for batteries
G01R19/16547
voltage or current in AC supplies
G01R19/16552
in I.C. power supplies
G01R19/16557
Logic probes
G01R19/16561
in hand-held circuit testers
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
G01R19/16571
comparing AC or DC current with one threshold
G01R19/16576
comparing DC or AC voltage with one threshold
G01R19/1658
AC voltage or recurrent signals
G01R19/16585
for individual pulses, ripple or noise and other applications where timing or duration is of importance
G01R19/1659
to indicate that the value is within or outside a predetermined range of values (window)
G01R19/16595
with multi level indication
G01R19/17
giving an indication of the number of times this occurs
G01R19/175
Indicating the instants of passage of current or voltage through a given value
G01R19/18
using conversion of dc into ac
G01R19/20
using transductors
G01R19/22
using conversion of ac into dc
G01R19/225
by means of thermocouples or other heat sensitive elements
G01R19/25
using digital measurement techniques
G01R19/2503
for measuring voltage only
G01R19/2506
Arrangements for conditioning or analysing measured signals
G01R19/2509
Details concerning sampling, digitizing or waveform capturing
G01R19/2513
Arrangements for monitoring electric power systems
G01R19/2516
Modular arrangements for computer based systems; using personal computers (PC's)
G01R19/252
using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
G01R19/255
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
G01R19/257
using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current
G01R19/28
adapted for measuring in circuits having distributed constants
G01R19/30
Measuring the maximum or the minimum value of current or voltage reached in a time interval
G01R19/32
Compensating for temperature change
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics