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Symbol IPC-Stellen auswählen Titel
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
G01
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MEASURINGTESTING
G01B
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MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONSMEASURING ANGLESMEASURING AREASMEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01C
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MEASURING DISTANCES, LEVELS OR BEARINGSSURVEYINGNAVIGATIONGYROSCOPIC INSTRUMENTSPHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F;  radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G01S)
G01D
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MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLEARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASSTARIFF METERING APPARATUSTRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLEMEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01F
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MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVELMETERING BY VOLUME [2, 5]
G01G
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WEIGHING
G01H
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MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES [4]
G01J
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MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHTCOLORIMETRYRADIATION PYROMETRY [2]
G01K
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MEASURING TEMPERATUREMEASURING QUANTITY OF HEATTHERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J 5/00)
G01L
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MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) [4]
G01M
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TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURESTESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
G01N
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
G01P
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MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCKINDICATING PRESENCE OR ABSENCE OF MOVEMENT INDICATING DIRECTION OF MOVEMENT  (measuring angular rate using gyroscopic effects G01C 19/00; combined measuring devices for measuring two or more variables of movement G01C 23/00; measuring velocity of sound G01H 5/00; measuring velocity of light G01J 7/00; determining direction or velocity of solid objects by reflection or reradiation of radio or other waves and based on propagation effects, e.g. Doppler effect, propagation time or direction of propagation, G01S; measuring speed of nuclear radiation G01T)
G01P 1/00
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Details of instruments [1, 2006.01]
G01P 3/00
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Measuring linear or angular speedMeasuring differences of linear or angular speeds (G01P 5/00-G01P 11/00 take precedence; measuring angular rate using gyroscopic effects G01C 19/00) [1, 2006.01]
G01P 3/02
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Devices characterised by the use of mechanical means [1, 2006.01]
G01P 3/04
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. . by comparing two speeds [1, 2006.01]
G01P 3/06
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. . . using a friction gear [1, 2006.01]
G01P 3/08
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. . . using differential gearing [1, 2006.01]
G01P 3/10
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. . by actuating an indicating element, e.g. pointer, for a fixed time [1, 2006.01]
G01P 3/12
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. . by making use of a system excited by impact [1, 2006.01]
G01P 3/14
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. . by exciting one or more mechanical resonance systems [1, 2006.01]
G01P 3/16
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. . by using centrifugal forces of solid masses [1, 2006.01]
G01P 3/18
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. . . transferred to the indicator by mechanical means [1, 2006.01]
G01P 3/20
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. . . transferred to the indicator by fluid means [1, 2006.01]
G01P 3/22
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. . . transferred to the indicator by electric or magnetic means [1, 2006.01]
G01P 3/24
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. . by using friction effects (G01P 3/06 takes precedence) [1, 2006.01]
G01P 3/26
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Devices characterised by the use of fluids [1, 2006.01]
G01P 3/28
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. . by using pumps [1, 2006.01]
G01P 3/30
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. . by using centrifugal forces of fluids [1, 2006.01]
G01P 3/32
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. . . in a rotary container communicating with a fixed container [1, 2006.01]
G01P 3/34
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. . by using friction effects [1, 2006.01]
G01P 3/36
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Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light (G01P 3/68 takes precedence) [1, 2006.01]
G01P 3/38
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. . using photographic means [1, 2006.01]
G01P 3/40
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. . using stroboscopic means [1, 2006.01]
G01P 3/42
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Devices characterised by the use of electric or magnetic means (G01P 3/66 takes precedence) [1, 2006.01]
G01P 3/44
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. . for measuring angular speed (G01P 3/56 takes precedence) [1, 2006.01]
G01P 3/46
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. . . by measuring amplitude of generated current or voltage [1, 2006.01]
G01P 3/48
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. . . by measuring frequency of generated current or voltage [1, 2006.01]
G01P 3/481
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. . . . of pulse signals [3, 2006.01]
G01P 3/482
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. . . . . delivered by nuclear radiation detectors [3, 2006.01]
G01P 3/483
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. . . . . delivered by variable capacitance detectors [3, 2006.01]
G01P 3/484
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. . . . . delivered by contact-making switches [3, 2006.01]
G01P 3/486
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. . . . . delivered by photo-electric detectors [3, 2006.01]
G01P 3/487
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. . . . . delivered by rotating magnets [3, 2006.01]
G01P 3/488
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. . . . . delivered by variable reluctance detectors [3, 2006.01]
G01P 3/489
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. . . . . Digital circuits therefor [3, 2006.01]
G01P 3/49
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. . . using eddy currents [1, 2006.01]
G01P 3/495
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. . . . where the indicating means responds to forces produced by the eddy currents and the generating magnetic field [3, 2006.01]
G01P 3/50
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. . for measuring linear speed (G01P 3/56 takes precedence) [1, 2006.01]
G01P 3/52
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. . . by measuring amplitude of generated current or voltage [1, 2006.01]
G01P 3/54
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. . . by measuring frequency of generated current or voltage [1, 2006.01]
G01P 3/56
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. . for comparing two speeds [1, 2006.01]
G01P 3/58
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. . . by measuring or comparing amplitudes of generated currents or voltages [1, 2006.01]
G01P 3/60
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. . . by measuring or comparing frequency of generated currents or voltages [1, 2006.01]
G01P 3/62
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Devices characterised by the determination of the variation of atmospheric pressure with height to measure the vertical components of speed [1, 2006.01]
G01P 3/64
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Devices characterised by the determination of the time taken to traverse a fixed distance [1, 2006.01]
G01P 3/66
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. . using electric or magnetic means (G01P 3/80 takes precedence) [1, 4, 2006.01]
G01P 3/68
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. . using optical means, i.e. using infrared, visible, or ultraviolet light (G01P 3/80 takes precedence) [1, 4, 2006.01]
G01P 3/80
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. . using auto-correlation or cross-correlation detection means [4, 2006.01]
G01P 5/00
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Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft (application of speed-measuring devices for measuring volume of fluids G01F) [1, 2006.01]
G01P 7/00
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Measuring speed by integrating acceleration (inertial navigation, i.e. calculating position or speed aboard the object being navigated, by integration of speed or acceleration G01C 21/16) [1, 2006.01]
G01P 11/00
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Measuring average value of speed (by determining time taken to traverse a fixed distance G01P 3/64, G01P 5/18) [1, 2006.01]
G01P 13/00
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Indicating or recording presence or absence of movementIndicating or recording of direction of movement [1, 2006.01]
G01P 15/00
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Measuring accelerationMeasuring decelerationMeasuring shock, i.e. sudden change of acceleration [1, 2006.01]
G01P 21/00
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Testing or calibrating of apparatus or devices covered by the other groups of this subclass [1, 2006.01]
G01Q
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SCANNING-PROBE TECHNIQUES OR APPARATUSAPPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING-PROBE MICROSCOPY [SPM] [2010.01]
G01R
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MEASURING ELECTRIC VARIABLESMEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J 3/12)
G01S
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RADIO DIRECTION-FINDINGRADIO NAVIGATIONDETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVESLOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVESANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01T
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MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N 23/00; tubes for determining the presence, intensity, density or energy of radiation or particles  H01J 47/00)
G01V
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GEOPHYSICSGRAVITATIONAL MEASUREMENTSDETECTING MASSES OR OBJECTSTAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B 29/02) [4, 6]
G01W
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METEOROLOGY (radar, sonar, lidar or analogous systems, designed for meteorological use G01S 13/95, G01S 15/88, G01S 17/95)
G02
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OPTICS
G03
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PHOTOGRAPHYCINEMATOGRAPHYANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVESELECTROGRAPHYHOLOGRAPHY [4]
G04
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HOROLOGY
G05
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CONTROLLINGREGULATING
G06
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COMPUTINGCALCULATING OR COUNTING
G07
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CHECKING-DEVICES
G08
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SIGNALLING
G09
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EDUCATINGCRYPTOGRAPHYDISPLAYADVERTISINGSEALS
G10
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MUSICAL INSTRUMENTSACOUSTICS
G11
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INFORMATION STORAGE
G12
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INSTRUMENT DETAILS
G16
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INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS [2018.01]
G21
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NUCLEAR PHYSICSNUCLEAR ENGINEERING
G99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
H
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ELECTRICITY

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