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IPC-Stelle: H04L 12/08 2-Punkt Untergruppe [Version 7 (gültig ab 01.2000), Sprache EN - English]

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Hierarchielinien

DEKLA-Gruppen

Symbol		Titel
A Hierarchieinformationen		HUMAN NECESSITIES
B Hierarchieinformationen		PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		CHEMISTRY; METALLURGY
D Hierarchieinformationen		TEXTILES; PAPER
E Hierarchieinformationen		FIXED CONSTRUCTIONS
F Hierarchieinformationen		MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G Hierarchieinformationen		PHYSICS
H Hierarchieinformationen		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 (transmission systems for measured values, control or similar signals G08C; speech analysis or synthesis G10L; coding, decoding or code conversion, in general H03M; broadcast communication H04H; multiplex systems H04J; secret communication H04K; transmission of digital information H04L) [4]
H04H Hierarchieinformationen		BROADCAST COMMUNICATION (transmission in general H04B; multiplex communication H04J)
H04J Hierarchieinformationen		MULTIPLEX COMMUNICATION (transmission in general H04B; 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; stereophonic systems H04S)
H04K Hierarchieinformationen		SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04L Hierarchieinformationen		TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (typewriters B41J; order telegraphs, fire or police telegraphs G08B; visual telegraphy G08B , G08C; teleautographic systems G08C; ciphering or deciphering apparatus per se G09C; coding, decoding or code conversion, in general H03M; arrangements common to telegraphic and telephonic communication H04M; selecting H04Q) [4]
H04L 1/00 Hierarchieinformationen		Arrangements for detecting or preventing errors in the information received (correcting synchronisation H04L 7/00; arrangements in the transmission path H04B)
H04L 5/00 Hierarchieinformationen		Arrangements affording multiple use of the transmission path (multiplex communication in general H04J)
H04L 7/00 Hierarchieinformationen		Arrangements for synchronising receiver with transmitter
H04L 9/00 Hierarchieinformationen		Arrangements for secret or secure communication (spread spectrum techniques in general H04B 1/69)
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 12/02 Hierarchieinformationen		. Details [5]
H04L 12/04 Hierarchieinformationen		. . Switchboards [5]
H04L 12/06 Hierarchieinformationen		. . Answer-back mechanisms or circuits [5]
H04L 12/08 Hierarchieinformationen		. . Allotting numbers to messages; Counting characters, words or messages [5]
H04L 12/10 Hierarchieinformationen		. . Current supply arrangements [5]
H04L 12/12 Hierarchieinformationen		. . Arrangements for remote connection or disconnection of substations or of equipment thereof [5]
H04L 12/14 Hierarchieinformationen		. . Charging arrangements [5]
H04L 12/16 Hierarchieinformationen		. . Arrangements for providing special services to substations [5]
H04L 12/18 Hierarchieinformationen		. . . for broadcast or conference [5]
H04L 12/20 Hierarchieinformationen		. . . for converting transmission speed from the inherent speed of a substation to the inherent speed of other substations [5]
H04L 12/22 Hierarchieinformationen		. . Arrangements for preventing the taking of data from a data transmission channel without authorisation (means for verifying the identity or the authority of a user of a secure or secret communication system H04L 9/32) [5]
H04L 12/24 Hierarchieinformationen		. . Arrangements for maintenance or administration [5]
H04L 12/26 Hierarchieinformationen		. . Monitoring arrangements; Testing arrangements [5]
H04L 12/28 Hierarchieinformationen		. characterised by path configuration, e.g. local area networks (LAN), wide area networks (WAN) [5, 6]
H04L 12/40 Hierarchieinformationen		. . Bus networks [5, 6]
H04L 12/403 Hierarchieinformationen		. . . with centralised control, e.g. polling [6]
H04L 12/407 Hierarchieinformationen		. . . with decentralised control [6]
H04L 12/413 Hierarchieinformationen		. . . . with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD) [6]
H04L 12/417 Hierarchieinformationen		. . . . with deterministic access, e.g. token passing [6]
H04L 12/42 Hierarchieinformationen		. . Loop networks [5, 6]
H04L 12/423 Hierarchieinformationen		. . . with centralised control, e.g. polling [6]
H04L 12/427 Hierarchieinformationen		. . . with decentralised control [6]
H04L 12/43 Hierarchieinformationen		. . . . with synchronous transmission, e.g. time division multiplex (TDM), slotted rings [6]
H04L 12/433 Hierarchieinformationen		. . . . with asynchronous transmission, e.g. token ring, register insertion [6]
H04L 12/437 Hierarchieinformationen		. . . Ring fault isolation or reconfiguration [6]
H04L 12/44 Hierarchieinformationen		. . Star or tree networks [5, 6]
H04L 12/46 Hierarchieinformationen		. . Interconnection of networks [5, 6]
H04L 12/50 Hierarchieinformationen		. Circuit switching systems, i.e. systems in which the path is physically permanent during the communication [5, 6]
H04L 12/52 Hierarchieinformationen		. . using time division techniques (in digital transmission systems H04L 5/22) [5, 6]
H04L 12/54 Hierarchieinformationen		. Stored and forward switching systems [5, 6]
H04L 12/56 Hierarchieinformationen		. . Packet switching systems [5, 6]
H04L 12/58 Hierarchieinformationen		. . Message switching systems (permutation- code selecting H04Q 3/02) [5, 6]
H04L 12/60 Hierarchieinformationen		. . . Manual relay systems, e.g. push-button switching [5, 6]
H04L 12/62 Hierarchieinformationen		. . . . with perforated tape storage [5, 6]
H04L 12/64 Hierarchieinformationen		. Hybrid switching systems [5, 6]
H04L 12/66 Hierarchieinformationen		. Arrangements for connecting between networks having differing types of switching systems, e.g. gateways [5, 6]
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; keyboard switches in general H01H 13/70 , H03K 17/94; telegraph tapping keys H01H 21/86; coding in connection with keyboards or like devices, in general H03M 11/00)
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 (keyboard switches in general H01H 13/70 , H03K 17/94; coding in connection with keyboards or like devices, in general H03M 11/00)
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 to H04L 21/00
H04L 25/00 Hierarchieinformationen		Baseband systems
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 to H04L 27/00 (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F 13/00) [5]
H04M Hierarchieinformationen		TELEPHONIC COMMUNICATION (counting mechanisms G06M; circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08; reels or other take-up devices for cords H02G 11/00; multiplex transmission between switching centres H04J; selecting arrangements H04Q; loudspeakers, microphones, gramophone pick-ups or like electromechanical transducers H04R)
H04N Hierarchieinformationen		PICTORIAL COMMUNICATION, e.g. TELEVISION (measuring, testing G01; systems for autographic writing, e.g. writing telegraphy, which involve following an outline G08; information storage based on relative movement between record carrier and transducer G11B; coding, decoding or code conversion, in general H03M; broadcast distribution or the recording of use made thereof H04H) [4]
H04Q Hierarchieinformationen		SELECTING (switches, relays, selectors H01H; electronic switches H03K 17/00)
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 5/00; multiplex systems in general H04J) [3]
H05 Hierarchieinformationen		ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

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