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Symbol IPC-Stellen auswählen Titel
A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY
H01
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BASIC ELECTRIC ELEMENTS
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
H04B
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TRANSMISSION [4]
H04B 1/00
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Details of transmission systems, not covered by a single one of groups H04B 3/00-H04B 13/00Details of transmission systems not characterised by the medium used for transmission [4]
H04B 3/00
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Line transmission systems (combined with near-field transmission systems H04B 5/00)
H04B 5/00
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Near-field transmission systems, e.g. inductive loop type
H04B 7/00
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Radio transmission systems, i.e. using radiation field (H04B 10/00, H04B 15/00 take precedence)
H04B 10/00
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Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication [5, 2013.01]
H04B 11/00
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Transmission systems employing ultrasonic, sonic or infrasonic waves
H04B 13/00
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Transmission systems characterised by the medium used for transmission, not provided for in groups H04B 3/00-H04B 11/00
H04B 14/00
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Transmission systems not characterised by the medium used for transmission (details thereof H04B 1/00) [4]
H04B 15/00
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Suppression or limitation of noise or interference (by means associated with receiver H04B 1/10)
H04B 15/02
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Reducing interference from electric apparatus by means located at or near the interfering apparatus
H04B 15/04
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. . the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
H04B 15/06
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. . . by local oscillators of receivers
H04B 17/00
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MonitoringTesting [2]
H04H
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BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
H04J
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MULTIPLEX COMMUNICATION (peculiar to transmission of digital information H04L 5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N 7/08; in exchanges H04Q 11/00)
H04K
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SECRET COMMUNICATIONJAMMING OF COMMUNICATION
H04L
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TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) [4]
H04M
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TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
H04N
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PICTORIAL COMMUNICATION, e.g. TELEVISION [4]
H04Q
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SELECTING (switches, relays, selectors H01H;  wireless communication networks H04W) [1, 2009.01]
H04R
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LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERSDEAF-AID SETSPUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general B06B; transducers for measuring particular variables G01; transducers in clocks G04; producing sounds with frequency not determined by supply frequency G10K; transducers in recording or reproducing heads G11B; transducers in motors H02) [6]
H04S
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STEREOPHONIC SYSTEMS (information storage on discs or tapes G11B; broadcast systems for the distribution of stereophonic information H04H 20/88; multiplex systems in general H04J) [3]
H04W
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WIRELESS COMMUNICATION NETWORKS [2009.01]
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]

Zu vergleichende IPC-Stelle: Es wurden im Verzeichnis noch keine IPC-Stellen für die Vergleichsansicht vorgemerkt. [Version , Sprache ]