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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 INFRA-RED, VISIBLE OR ULTRA-VIOLET 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)
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
G01S 1/00
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Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith (position-fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [1, 2, 2006.01]
G01S 3/00
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Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (position-fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [1, 2006.01]
G01S 5/00
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Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations [1, 2, 2006.01]
G01S 7/00
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Details of systems according to groups G01S 13/00, G01S 15/00, G01S 17/00 [1, 2006.01]
G01S 11/00
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Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S 5/00) [1, 2, 2006.01]
G01S 13/00
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Systems using the reflection or reradiation of radio waves, e.g. radar systemsAnalogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified [3, 2006.01]
G01S 15/00
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Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems [3, 2006.01, 2020.01]
G01S 15/02
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using reflection of acoustic waves (G01S 15/66 takes precedence) [3, 2006.01]
G01S 15/04
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. . Systems determining presence of a target [3, 2006.01]
G01S 15/06
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. . Systems determining position data of a target [3, 2006.01]
G01S 15/08
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. . . Systems for measuring distance only (indirect measurement G01S 15/46) [3, 2006.01]
G01S 15/10
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. . . . using transmission of interrupted, pulse-modulated waves  (determination of distance by phase measurement G01S 15/32) [3, 2006.01]
G01S 15/12
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. . . . . wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse [3, 2006.01]
G01S 15/14
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. . . . . wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception [3, 2006.01]
G01S 15/18
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. . . . . wherein range gates are used [3, 2006.01]
G01S 15/32
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. . . . using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated [3, 2006.01]
G01S 15/34
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. . . . . using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal [3, 2006.01]
G01S 15/36
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. . . . . with phase comparison between the received signal and the contemporaneously transmitted signal [3, 2006.01]
G01S 15/42
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. . . Simultaneous measurement of distance and other coordinates (indirect measurement G01S 15/46) [3, 2006.01]
G01S 15/46
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. . . Indirect determination of position data [3, 2006.01]
G01S 15/50
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. . Systems of measurement based on relative movement of target [3, 2006.01]
G01S 15/52
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. . . Discriminating between fixed and moving objects or between objects moving at different speeds [3, 2006.01]
G01S 15/58
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. . . Velocity or trajectory determination systemsSense-of-movement determination systems [3, 2006.01]
G01S 15/60
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. . . . wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track [3, 2006.01]
G01S 15/62
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. . . . Sense-of-movement determination [3, 2006.01]
G01S 15/66
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Sonar tracking systems [3, 2006.01]
G01S 15/74
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Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe [3, 2006.01]
G01S 15/86
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Combinations of sonar systems with lidar systemsCombinations of sonar systems with systems not using wave reflection [2020.01]
G01S 15/87
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Combinations of sonar systems [3, 2006.01]
G01S 15/88
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Sonar systems specially adapted for specific applications (seismic or acoustic prospecting or detecting G01V 1/00) [3, 6, 2006.01]
G01S 15/89
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. . for mapping or imaging [3, 2006.01]
G01S 15/93
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. . for anti-collision purposes [3, 2006.01, 2020.01]
G01S 15/931
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. . . of land vehicles [2020.01]
G01S 15/96
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. . for locating fish [3, 2006.01]
G01S 17/00
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Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems [3, 2006.01, 2020.01]
G01S 19/00
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Satellite radio beacon positioning systemsDetermining position, velocity or attitude using signals transmitted by such systems [2010.01]
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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