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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
H
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ELECTRICITY
H01
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ELECTRIC ELEMENTS
H01B
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CABLESCONDUCTORSINSULATORSSELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F 1/00; waveguides H01P)
H01C
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RESISTORS
H01F
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MAGNETSINDUCTANCESTRANSFORMERSSELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES [2]
H01G
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CAPACITORSCAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B 3/00; capacitors having potential barriers H01L 29/00)
H01H
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ELECTRIC SWITCHESRELAYSSELECTORSEMERGENCY PROTECTIVE DEVICES (contact cables H01B 7/10;  electrolytic self-interrupters H01G 9/18;  emergency protective circuit arrangements H02H;  switching by electronic means without contact-making H03K 17/00)
H01J
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ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; arc lamps with consumable electrodes H05B; particle accelerators H05H)
H01K
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ELECTRIC INCANDESCENT LAMPS (details, apparatus or processes for manufacture applicable to both discharge devices and incandescent lamps H01J;  light sources using a combination of incandescent and other types of light generation H01J 61/96, H05B 35/00)
H01L
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SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 (use of semiconductor devices for measuring G01;  resistors in general H01C;  magnets, inductors or transformers H01F;  capacitors in general H01G;  electrolytic devices H01G 9/00;  batteries or accumulators H01M;  waveguides, resonators or lines of the waveguide type H01P;  line connectors or current collectors H01R;  stimulated-emission devices H01S;  electromechanical resonators H03H;  loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R;  electric light sources in general H05B;  printed circuits, hybrid circuits, casings or constructional details of electrical apparatus, manufacture of assemblages of electrical components H05K;  use of semiconductor devices in circuits having a particular application, see the subclass for the application) [2]
H01M
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PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY [2]
H01P
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WAVEGUIDESRESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B)
H01Q
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ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B 6/72)
H01R
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ELECTRICALLY-CONDUCTIVE CONNECTIONSSTRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTSCOUPLING DEVICESCURRENT COLLECTORS
H01S
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DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHTDEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
H01T
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SPARK GAPSOVERVOLTAGE ARRESTERS USING SPARK GAPSSPARKING PLUGSCORONA DEVICESGENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)
H01T 1/00
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Details of spark gaps [1, 2006.01]
H01T 2/00
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Spark gaps comprising auxiliary triggering means (triggering circuits H01T 15/00) [4, 2006.01]
H01T 4/00
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Overvoltage arresters using spark gaps (H01T 2/00 takes precedence; overvoltage protection circuits using spark gaps H02H 9/06) [4, 2006.01]
H01T 7/00
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Rotary spark gaps, i.e. devices having one or more rotating electrodes [1, 2006.01]
H01T 9/00
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Spark gaps specially adapted for generating oscillations [1, 2006.01]
H01T 11/00
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Spark gaps specially adapted as rectifiers [1, 2006.01]
H01T 13/00
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Sparking plugs [1, 2006.01]
H01T 13/02
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Details [1, 2006.01]
H01T 13/04
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. . Means providing electrical connection to sparking plugs [1, 2006.01]
H01T 13/05
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. . . combined with interference suppressing or shielding means [4, 2006.01]
H01T 13/06
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. . Covers forming a part of the plug and protecting it against adverse environment [1, 2006.01]
H01T 13/08
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. . Mounting, fixing, or sealing of sparking plugs, e.g. in combustion chamber [1, 2006.01]
H01T 13/10
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. . . by bayonet-type connection [1, 2006.01]
H01T 13/12
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. . Means on sparking plugs for facilitating engagement by tool or by hand [1, 2006.01]
H01T 13/14
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. . Means for self-cleaning [1, 2006.01]
H01T 13/16
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. . Means for dissipating heat [1, 2006.01]
H01T 13/18
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. . Means for heating, e.g. for drying [1, 2006.01]
H01T 13/20
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characterised by features of the electrodes or insulation [1, 2006.01]
H01T 13/22
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. . having two or more electrodes embedded in insulation (sparking plugs having two or more spark gaps H01T 13/46) [1, 2006.01]
H01T 13/24
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. . having movable electrodes (H01T 13/28 takes precedence) [1, 2006.01]
H01T 13/26
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. . . for adjusting spark gap otherwise than by bending of electrode [1, 2006.01]
H01T 13/28
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. . having spherically shaped electrodes, e.g. ball-shaped [1, 2006.01]
H01T 13/30
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. . . mounted so as to permit free movement [1, 2006.01]
H01T 13/32
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. . characterised by features of the earthed electrode [1, 2006.01]
H01T 13/34
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. . characterised by the mounting of electrodes in insulation, e.g. by embedding [1, 2006.01]
H01T 13/36
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. . characterised by the joint between insulation and body, e.g. using cement [1, 2006.01]
H01T 13/38
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. . Selection of materials for insulation [1, 2006.01]
H01T 13/39
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. . Selection of materials for electrodes [4, 2006.01]
H01T 13/40
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structurally combined with other devices (combined or associated with fuel injectors F02M 57/06; structurally combined with other parts of internal-combustion engines F02P 13/00) [1, 2006.01]
H01T 13/41
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. . with interference suppressing or shielding means [4, 2006.01]
H01T 13/42
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. . with magnetic spark generators [1, 2006.01]
H01T 13/44
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. . with transformers, e.g. for high-frequency ignition [1, 2006.01]
H01T 13/46
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having two or more spark gaps [1, 2006.01]
H01T 13/48
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having means for rendering sparks visible [1, 2006.01]
H01T 13/50
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having means for ionisation of gap (H01T 13/52 takes precedence) [1, 4, 2006.01]
H01T 13/52
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characterised by a discharge along a surface [1, 2006.01]
H01T 13/54
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having electrodes arranged in a partly-enclosed ignition chamber [1, 2006.01]
H01T 13/56
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characterised by having component parts which are easily assembled or disassembled [1, 2006.01]
H01T 13/58
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Testing (testing characteristics of the spark in internal-combustion engine ignition F02P 17/12) [2011.01, 2020.01]
H01T 13/60
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. . of electrical properties [2011.01]
H01T 14/00
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Spark gaps not provided for in groups H01T 2/00-H01T 13/00 (devices providing for corona discharge H01T 19/00) [4, 2006.01]
H01T 15/00
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Circuits specially adapted for spark gaps, e.g. ignition circuits (ignition circuits for internal-combustion engines F02P; electric spark ignition for combustion apparatus F23Q; protection circuits using spark gaps H02H 9/06) [1, 4, 2006.01]
H01T 19/00
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Devices providing for corona discharge (for charging electrographic elements G03G 15/02) [1, 4, 2006.01]
H01T 21/00
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Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs [1, 2006.01]
H01T 23/00
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Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere [4, 2006.01]
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10
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SEMICONDUCTOR DEVICESELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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