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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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BASIC 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 with potential-jump or surface barrier 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 or 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 DEVICESELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR (use of semiconductor devices for measuring G01; resistors in general H01C; magnets, inductors, transformers H01F; capacitors in general H01G; electrolytic devices H01G 9/00; batteries, accumulators H01M; waveguides, resonators, or lines of the waveguide type H01P; line connectors, 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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AERIALS (radiators or aerials for microwave heating H05B 6/72)
H01Q 1/00
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Details of, or arrangements associated with, aerials (arrangements for varying orientation of directional pattern H01Q 3/00) [1, 2006.01]
H01Q 3/00
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Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system [1, 2006.01]
H01Q 5/00
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Arrangements for simultaneous operation of aerials on two or more different wavebands, e.g. dual-band or multi-band arrangements  (combinations of separate active aerial units operating in different wavebands and connected to a common feeder system H01Q 21/30) [1, 3, 2006.01, 2015.01]
H01Q 7/00
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Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop [1, 2006.01]
H01Q 9/00
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Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements [1, 2006.01]
H01Q 11/00
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Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (leaky-waveguide aerials, slot aerials H01Q 13/00) [1, 2006.01]
H01Q 13/00
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Waveguide horns or mouthsSlot aerialsLeaky-waveguide aerialsEquivalent structures causing radiation along the transmission path of a guided wave [1, 2006.01]
H01Q 15/00
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Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices (variable for purpose of altering directivity H01Q 3/00; arrangements of such devices for guiding waves H01P 3/20; variable for purpose of modulation H03C 7/02) [1, 2006.01]
H01Q 17/00
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Devices for absorbing waves radiated from an aerialCombinations of such devices with active aerial elements or systems [1, 2006.01]
H01Q 19/00
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Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic [1, 2006.01]
H01Q 19/02
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Details [1, 2006.01]
H01Q 19/04
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. . Means for collapsing H-aerials or Yagi aerials [1, 2006.01]
H01Q 19/06
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using refracting or diffracting devices, e.g. lens [1, 2006.01]
H01Q 19/08
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. . for modifying the radiation pattern of a radiating horn in which it is located [1, 2006.01]
H01Q 19/09
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. . wherein the primary active element is coated with or embedded in a dielectric or magnetic material (protective material H01Q 1/40; varying the elecric or magnetic characteristics of refracting or diffracting devices H01Q 3/44) [3, 2006.01]
H01Q 19/10
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using reflecting surfaces [1, 2006.01]
H01Q 19/12
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. . wherein the surfaces are concave (H01Q 19/18 takes precedence) [1, 3, 2006.01]
H01Q 19/13
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. . . the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination (H01Q 19/15 takes precedence) [3, 2006.01]
H01Q 19/15
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. . . the primary radiating source being a line source, e.g. leaky waveguide aerials [3, 2006.01]
H01Q 19/17
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. . . the primary radiating source comprising two or more radiating elements (H01Q 19/15, H01Q 25/00 take precedence) [3, 2006.01]
H01Q 19/18
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. . having two or more spaced reflecting surfaces (H01Q 19/20 takes precedence) [1, 2006.01]
H01Q 19/185
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. . . wherein the surfaces are plane [3, 2006.01]
H01Q 19/19
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. . . comprising one main concave reflecting surface associated with an auxiliary reflecting surface [3, 2006.01]
H01Q 19/195
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. . . . wherein a reflecting surface acts also as a polarisation filter or a polarising device [3, 2006.01]
H01Q 19/20
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Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed [1, 2006.01]
H01Q 19/22
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using a secondary device in the form of a single substantially straight conductive element [1, 2006.01]
H01Q 19/24
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. . the primary active element being centre-fed and substantially straight, e.g. H-aerial [1, 2006.01]
H01Q 19/26
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. . the primary active element being end-fed and elongated [1, 2006.01]
H01Q 19/28
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using a secondary device in the form of two or more substantially straight conductive elements (log-periodic aerials H01Q 11/10; constituting a reflecting surface H01Q 19/10) [1, 2006.01]
H01Q 19/30
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. . the primary active element being centre-fed and substantially straight, e.g. Yagi aerial [1, 2006.01]
H01Q 19/32
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. . the primary active element being end-fed and elongated [1, 2006.01]
H01Q 21/00
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Aerial arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system H01Q 3/00) [1, 2006.01]
H01Q 23/00
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Aerials with active circuits or circuit elements integrated within them or attached to them [3, 2006.01]
H01Q 25/00
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Aerials or aerial systems providing at least two radiating patterns (arrangements for changing or varying the orientation or the shape of the directional pattern H01Q 3/00) [3, 2006.01]
H01R
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ELECTRICALLY-CONDUCTIVE CONNECTIONSSTRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTSCOUPLING DEVICESCURRENT COLLECTORS (switches, fuses H01H; coupling devices of the waveguide type H01P 5/00; switching arrangements for the supply or distribution of electric power H02B; installations of electric cables or lines, or of combined optical and electric cables or lines, or of auxiliary apparatus H02G; printed means for providing electric connections to or between printed circuits H05K)
H01S
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DEVICES USING STIMULATED EMISSION
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)
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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BASIC ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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