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IPC-Stelle: H04L 25/08 2-Punkt Untergruppe [Version 2013.01, Sprache EN - English]

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Hierarchielinien

DEKLA-Gruppen

Symbol		Titel
A Hierarchieinformationen		SECTION A — HUMAN NECESSITIES
B Hierarchieinformationen		SECTION B — PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		SECTION C — CHEMISTRY; METALLURGY
D Hierarchieinformationen		SECTION D — TEXTILES; PAPER
E Hierarchieinformationen		SECTION E — FIXED CONSTRUCTIONS
F Hierarchieinformationen		SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G Hierarchieinformationen		SECTION G — PHYSICS
H Hierarchieinformationen		SECTION H — ELECTRICITY
H01 Hierarchieinformationen		BASIC ELECTRIC ELEMENTS
H02 Hierarchieinformationen		GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03 Hierarchieinformationen		BASIC ELECTRONIC CIRCUITRY
H04 Hierarchieinformationen		ELECTRIC COMMUNICATION TECHNIQUE
H04B Hierarchieinformationen		TRANSMISSION [4]
H04H Hierarchieinformationen		BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
H04J Hierarchieinformationen		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 Hierarchieinformationen		SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04L Hierarchieinformationen		TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) [4]
H04L 1/00 Hierarchieinformationen		Arrangements for detecting or preventing errors in the information received
H04L 5/00 Hierarchieinformationen		Arrangements affording multiple use of the transmission path
H04L 7/00 Hierarchieinformationen		Arrangements for synchronising receiver with transmitter
H04L 9/00 Hierarchieinformationen		Arrangements for secret or secure communication
H04L 12/00 Hierarchieinformationen		Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F 13/00) [5]
H04L 13/00 Hierarchieinformationen		Details of the apparatus or circuits covered by groups H04L 15/00 or H04L 17/00
H04L 15/00 Hierarchieinformationen		Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code (teaching apparatus therefor G09B; telegraph tapping keys H01H 21/86)
H04L 17/00 Hierarchieinformationen		Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
H04L 19/00 Hierarchieinformationen		Apparatus or local circuits for step-by-step systems
H04L 21/00 Hierarchieinformationen		Apparatus or local circuits for mosaic printer telegraph systems
H04L 23/00 Hierarchieinformationen		Apparatus or local circuits for systems other than those covered by groups H04L 15/00-H04L 21/00
H04L 25/00 Hierarchieinformationen		Baseband systems
H04L 25/02 Hierarchieinformationen		. Details
H04L 25/03 Hierarchieinformationen		. . Shaping networks in transmitter or receiver, e.g. adaptive shaping networks [2]
H04L 25/04 Hierarchieinformationen		. . . Passive shaping networks [2]
H04L 25/05 Hierarchieinformationen		. . Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate [7]
H04L 25/06 Hierarchieinformationen		. . Dc level restoring means; Bias distortion correction
H04L 25/08 Hierarchieinformationen		. . Modifications for reducing interference; Modifications for reducing effects due to line faults
H04L 25/10 Hierarchieinformationen		. . Compensating for variations in line balance
H04L 25/12 Hierarchieinformationen		. . Compensating for variations in line impedance
H04L 25/14 Hierarchieinformationen		. . Channel dividing arrangements
H04L 25/17 Hierarchieinformationen		. . Interpolating arrangements [4]
H04L 25/18 Hierarchieinformationen		. . Arrangements for inductively generating telegraphic signals
H04L 25/20 Hierarchieinformationen		. . Repeater circuits; Relay circuits
H04L 25/22 Hierarchieinformationen		. . . Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
H04L 25/24 Hierarchieinformationen		. . . Relay circuits using discharge tubes or semiconductor devices
H04L 25/26 Hierarchieinformationen		. . . Circuits with optical sensing means
H04L 25/28 Hierarchieinformationen		. . . Repeaters using modulation and subsequent demodulation
H04L 25/30 Hierarchieinformationen		. Non-synchronous systems
H04L 25/32 Hierarchieinformationen		. . characterised by the code employed
H04L 25/34 Hierarchieinformationen		. . . using three or more different amplitudes, e.g. cable code
H04L 25/38 Hierarchieinformationen		. Synchronous or start-stop systems, e.g. for Baudot code
H04L 25/40 Hierarchieinformationen		. . Transmitting circuits; Receiving circuits
H04L 25/42 Hierarchieinformationen		. . . using mechanical distributors
H04L 25/44 Hierarchieinformationen		. . . using relay distributors
H04L 25/45 Hierarchieinformationen		. . . using electronic distributors [2]
H04L 25/46 Hierarchieinformationen		. . . using tuning forks or vibrating reeds
H04L 25/48 Hierarchieinformationen		. . . characterised by the code employed (H04L 25/49 takes precedence) [2]
H04L 25/49 Hierarchieinformationen		. . . using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels [2]
H04L 25/493 Hierarchieinformationen		. . . . by transition coding, i.e. the time-position or direction of a transition being encoded before transmission [3]
H04L 25/497 Hierarchieinformationen		. . . . by correlative coding, e.g. partial response coding or echo modulation coding [3]
H04L 25/52 Hierarchieinformationen		. . Repeater circuits; Relay circuits
H04L 25/54 Hierarchieinformationen		. . . using mechanical distributors
H04L 25/56 Hierarchieinformationen		. . . Non-electrical regenerative repeaters
H04L 25/58 Hierarchieinformationen		. . . using relay distributors
H04L 25/60 Hierarchieinformationen		. . . Regenerative repeaters with electromagnetic switches
H04L 25/62 Hierarchieinformationen		. . . using tuning forks or vibrating reeds
H04L 25/64 Hierarchieinformationen		. . . Start-stop regenerative repeaters using discharge tubes or semiconductor devices
H04L 25/66 Hierarchieinformationen		. . . Synchronous repeaters using discharge tubes or semiconductor devices
H04L 27/00 Hierarchieinformationen		Modulated-carrier systems
H04L 29/00 Hierarchieinformationen		Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L 1/00-H04L 27/00 [5]
H04M Hierarchieinformationen		TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
H04N Hierarchieinformationen		PICTORIAL COMMUNICATION, e.g. TELEVISION [4]
H04Q Hierarchieinformationen		SELECTING (switches, relays, selectors H01H; wireless communication networks H04W) [1, 2009.01]
H04R Hierarchieinformationen		LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC 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 Hierarchieinformationen		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 Hierarchieinformationen		WIRELESS COMMUNICATION NETWORKS [2009.01]
H05 Hierarchieinformationen		ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H99 Hierarchieinformationen		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 ]