| H | Sektion H — Elektrotechnik | ELECTRICITY |
![enable hierarchy mode: H04](images/vm_hier.gif) | H04 | Elektrische Nachrichtentechnik | ELECTRIC COMMUNICATION TECHNIQUE |
![enable hierarchy mode: H04J](images/vm_hier.gif) ![Link to definition of IPC symbol: H04J](images/definition.gif) | H04J | Multiplex-Verkehr (speziell für die Übertragung von digitalen Informationen H04L 5/00; Systeme für die simultane [gleichzeitige] oder sequenzielle [aufeinanderfolgende] Übertragung von mehr als einem Fernsehsignal H04N 7/08; für Vermittlungsanlagen H04Q 11/00) | 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) |
![enable hierarchy mode: H04J 1/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/00](images/lupe.gif) | H04J 1/00 | Frequenz-Multiplexsysteme (H04J 14/02 hat Vorrang) [1, 5, 2006.01] | Frequency-division multiplex systems (H04J 14/02 takes precedence) [1, 5, 2006.01] |
![enable hierarchy mode: H04J 1/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/02](images/lupe.gif) | H04J 1/02 | . | Einzelheiten [1, 2006.01] |
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![enable hierarchy mode: H04J 1/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/04](images/lupe.gif) | H04J 1/04 | . . | Frequenzumsetzungsanordnungen [1, 2006.01] |
| . . | Frequency-transposition arrangements [1, 2006.01] |
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![enable hierarchy mode: H04J 1/05](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/05](images/lupe.gif) | H04J 1/05 | . . . | unter Verwendung der Digitaltechnik [3, 2006.01] |
| . . . | using digital techniques [3, 2006.01] |
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![enable hierarchy mode: H04J 1/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/06](images/lupe.gif) | H04J 1/06 | . . | Anordnungen zum Liefern der Trägerwellen [1, 2006.01] |
| . . | Arrangements for supplying the carrier waves [1, 2006.01] |
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![enable hierarchy mode: H04J 1/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/08](images/lupe.gif) | H04J 1/08 | . . | Anordnungen zum Zusammenfassen von Kanälen [1, 2006.01] |
| . . | Arrangements for combining channels [1, 2006.01] |
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![enable hierarchy mode: H04J 1/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/10](images/lupe.gif) | H04J 1/10 | . . | Zwischenstationsanordnungen, z.B. zum Abzweigen oder Anzapfen [1, 2006.01] |
| . . | Intermediate station arrangements, e.g. for branching, for tapping-off [1, 2006.01] |
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![enable hierarchy mode: H04J 1/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/12](images/lupe.gif) | H04J 1/12 | . . | Anordnungen zum Vermindern des Nebensprechens zwischen Kanälen [1, 2006.01] |
| . . | Arrangements for reducing cross-talk between channels [1, 2006.01] |
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![enable hierarchy mode: H04J 1/14](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/14](images/lupe.gif) | H04J 1/14 | . . | Anordnungen zum Erzeugen von Rufsignalen oder Überwachungssignalen [1, 2006.01] |
| . . | Arrangements providing for calling or supervisory signals [1, 2006.01] |
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![enable hierarchy mode: H04J 1/16](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/16](images/lupe.gif) | H04J 1/16 | . . | Überwachungsanordnungen [1, 2006.01] |
| . . | Monitoring arrangements [1, 2006.01] |
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![enable hierarchy mode: H04J 1/18](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/18](images/lupe.gif) | H04J 1/18 | . | bei denen sämtliche Träger amplitudenmoduliert sind (H04J 1/02 hat Vorrang) [1, 3, 2006.01] |
| . | in which all the carriers are amplitude-modulated (H04J 1/02 takes precedence) [1, 3, 2006.01] |
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![enable hierarchy mode: H04J 1/20](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 1/20](images/lupe.gif) | H04J 1/20 | . | bei denen mindestens ein Träger winkelmoduliert ist (H04J 1/02 hat Vorrang) [1, 3, 2006.01] |
| . | in which at least one carrier is angle-modulated (H04J 1/02 takes precedence) [1, 3, 2006.01] |
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![enable hierarchy mode: H04J 3/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/00](images/lupe.gif) | H04J 3/00 | Zeitmultiplexsysteme (H04J 14/08 hat Vorrang) [1, 4, 5, 2006.01] | Time-division multiplex systems (H04J 14/08 takes precedence) [1, 4, 5, 2006.01] |
![enable hierarchy mode: H04J 3/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/02](images/lupe.gif) | H04J 3/02 | . | Einzelheiten [1, 2006.01] |
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![enable hierarchy mode: H04J 3/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/04](images/lupe.gif) | H04J 3/04 | . . | Mit Modulatoren oder Demodulatoren vereinigte Verteiler [1, 2006.01] |
| . . | Distributors combined with modulators or demodulators [1, 2006.01] |
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![enable hierarchy mode: H04J 3/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/06](images/lupe.gif) | H04J 3/06 | . . | Synchronisierungsanordnungen [1, 2006.01] |
| . . | Synchronising arrangements [1, 2006.01] |
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![enable hierarchy mode: H04J 3/07](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/07](images/lupe.gif) | H04J 3/07 | . . . | unter Verwendung von Impulskompression bei Systemen mit unterschiedlichen oder wechselnden Informationsmengen [3, 2006.01] |
| . . . | using pulse stuffing for systems with different or fluctuating information rates [3, 2006.01] |
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![enable hierarchy mode: H04J 3/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/08](images/lupe.gif) | H04J 3/08 | . . | Zwischenstationsanordnungen, z.B. zum Abzweigen oder Anzapfen [1, 2006.01] |
| . . | Intermediate station arrangements, e.g. for branching, for tapping-off [1, 2006.01] |
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![enable hierarchy mode: H04J 3/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/10](images/lupe.gif) | H04J 3/10 | . . | Anordnungen zum Vermindern des Nebensprechens zwischen Kanälen [1, 2006.01] |
| . . | Arrangements for reducing cross-talk between channels [1, 2006.01] |
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![enable hierarchy mode: H04J 3/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/12](images/lupe.gif) | H04J 3/12 | . . | Anordnungen zum Erzeugen von Rufsignalen oder Überwachungssignalen [1, 2006.01] |
| . . | Arrangements providing for calling or supervisory signals [1, 2006.01] |
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![enable hierarchy mode: H04J 3/14](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/14](images/lupe.gif) | H04J 3/14 | . . | Überwachungsanordnungen [1, 2006.01] |
| . . | Monitoring arrangements [1, 2006.01] |
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![enable hierarchy mode: H04J 3/16](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/16](images/lupe.gif) | H04J 3/16 | . | Systeme, bei denen die Zeitzuteilung auf einzelne Kanäle innerhalb einer Übertragungsperiode veränderbar ist, z.B. um der sich ändernden Zusammensetzung der Signale Rechnung zu tragen, um die Zahl der Übertragungskanäle zu verändern (H04J 3/17 , H04J 3/24 haben Vorrang) [1, 4, 2006.01] |
| . | in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted (H04J 3/17, H04J 3/24 take precedence) [1, 4, 2006.01] |
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![enable hierarchy mode: H04J 3/17](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/17](images/lupe.gif) | H04J 3/17 | . | Systeme, bei denen ein Übertragungskanal, der einem ersten Benutzer zugeteilt ist, diesem weggenommen und einem zweiten Benutzer zugeteilt werden kann, wenn der erste Benutzer den Kanal nicht verwendet, z.B. TASI [4, 2006.01] |
| . | in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI [4, 2006.01] |
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![enable hierarchy mode: H04J 3/18](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/18](images/lupe.gif) | H04J 3/18 | . | Systeme mit Frequenzkompression und nachfolgender Expansion der Einzelsignale [1, 2006.01] |
| . | using frequency compression and subsequent expansion of the individual signals [1, 2006.01] |
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![enable hierarchy mode: H04J 3/20](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/20](images/lupe.gif) | H04J 3/20 | . | Systeme mit Resonanzübertragung [2, 2006.01] |
| . | using resonant transfer [2, 2006.01] |
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![enable hierarchy mode: H04J 3/22](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/22](images/lupe.gif) | H04J 3/22 | . | Systeme, bei denen die Quellen verschiedene Geschwindigkeiten oder Codes haben [4, 2006.01] |
| . | in which the sources have different rates or codes [4, 2006.01] |
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![enable hierarchy mode: H04J 3/24](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/24](images/lupe.gif) | H04J 3/24 | . | Systeme, bei denen die Kanalzuteilung durch eine Adresse gekennzeichnet ist (H04J 3/17 hat Vorrang) [4, 2006.01] |
| . | in which the allocation is indicated by an address (H04J 3/17 takes precedence) [4, 2006.01] |
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![enable hierarchy mode: H04J 3/26](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 3/26](images/lupe.gif) | H04J 3/26 | . . | bei denen die Information und die Adresse gleichzeitig übertragen werden [4, 2006.01] |
| . . | in which the information and the address are simultaneously transmitted [4, 2006.01] |
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![enable hierarchy mode: H04J 4/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 4/00](images/lupe.gif) | H04J 4/00 | Kombinierte Zeitmultiplexsysteme und Frequenzmultiplexsysteme (H04J 13/00 hat Vorrang) [2, 2006.01] | Combined time-division and frequency-division multiplex systems (H04J 13/00 takes precedence) [2, 2006.01] |
![enable hierarchy mode: H04J 7/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 7/00](images/lupe.gif) | H04J 7/00 | Multiplexsysteme, bei denen die Amplitude oder die Dauer der Signale in den verschiedenen Kanälen für diese Kanäle charakteristisch sind [1, 2006.01] | Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels [1, 2006.01] |
![enable hierarchy mode: H04J 7/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 7/02](images/lupe.gif) | H04J 7/02 | . | bei denen die Polarität der Amplitude charakteristisch ist [1, 2006.01] |
| . | in which the polarity of the amplitude is characteristic [1, 2006.01] |
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![enable hierarchy mode: H04J 9/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 9/00](images/lupe.gif) | H04J 9/00 | Multiplexsysteme, bei denen für jeden Kanal eine andere Modulationsart des Trägers typisch ist [1, 2006.01] | Multiplex systems in which each channel is represented by a different type of modulation of the carrier [1, 2006.01] |
![enable hierarchy mode: H04J 11/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 11/00](images/lupe.gif) | H04J 11/00 | Orthogonal-Multiplexsysteme (H04J 13/00 hat Vorrang) [2, 2006.01] | Orthogonal multiplex systems (H04J 13/00 takes precedence) [2, 2006.01] |
![enable hierarchy mode: H04J 13/00](images/vm_hier.gif) ![Link to definition of IPC symbol: H04J 13/00](images/definition.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/00](images/lupe.gif) | H04J 13/00 | Code-Multiplexsysteme ( für das Frequenzsprungverfahren H04B 1/713) [2, 2006.01, 2011.01] | Code division multiplex systems (for frequency hopping H04B 1/713) [2, 2006.01, 2011.01] |
![enable hierarchy mode: H04J 13/10](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/10](images/lupe.gif) | H04J 13/10 | . | Codeerzeugung [2011.01] |
| . | Code generation [2011.01] |
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![enable hierarchy mode: H04J 13/12](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/12](images/lupe.gif) | H04J 13/12 | . . | Erzeugung orthogonaler Codes [2011.01] |
| . . | Generation of orthogonal codes [2011.01] |
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![enable hierarchy mode: H04J 13/14](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/14](images/lupe.gif) | H04J 13/14 | . . | Erzeugung von Codes mit Nullkorrelationszone [zero correlation zone (ZCZ) codes] [2011.01] |
| . . | Generation of codes with a zero correlation zone [2011.01] |
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![enable hierarchy mode: H04J 13/16](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/16](images/lupe.gif) | H04J 13/16 | . | Zuordnung von Codes [2011.01] |
| . | Code allocation [2011.01] |
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![enable hierarchy mode: H04J 13/18](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/18](images/lupe.gif) | H04J 13/18 | . . | Zuordnung orthogonaler Codes [2011.01] |
| . . | Allocation of orthogonal codes [2011.01] |
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![enable hierarchy mode: H04J 13/20](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/20](images/lupe.gif) | H04J 13/20 | . . . | orthogonale Spreizcodes mit variablem Spreizfaktor [OVSF-Codes] [2011.01] |
| . . . | having an orthogonal variable spreading factor [OVSF] [2011.01] |
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![enable hierarchy mode: H04J 13/22](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 13/22](images/lupe.gif) | H04J 13/22 | . . | Zuordnung von Codes mit Nullkorrelationszone [zero correlation zone (ZCZ) codes] [2011.01] |
| . . | Allocation of codes with a zero correlation zone [2011.01] |
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![enable hierarchy mode: H04J 14/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 14/00](images/lupe.gif) | H04J 14/00 | Optische Multiplexsysteme [5, 2006.01] | Optical multiplex systems [5, 2006.01] |
![enable hierarchy mode: H04J 14/02](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 14/02](images/lupe.gif) | H04J 14/02 | . | Wellenlängen-Multiplexsysteme [5, 2006.01] |
| . | Wavelength-division multiplex systems [5, 2006.01] |
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![enable hierarchy mode: H04J 14/04](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 14/04](images/lupe.gif) | H04J 14/04 | . | Moden-Multiplexsysteme [5, 2006.01] |
| . | Mode multiplex systems [5, 2006.01] |
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![enable hierarchy mode: H04J 14/06](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 14/06](images/lupe.gif) | H04J 14/06 | . | Polarisations-Multiplexsysteme [5, 2006.01] |
| . | Polarisation multiplex systems [5, 2006.01] |
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![enable hierarchy mode: H04J 14/08](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 14/08](images/lupe.gif) | H04J 14/08 | . | Zeit-Multiplexsysteme [5, 2006.01] |
| . | Time-division multiplex systems [5, 2006.01] |
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![enable hierarchy mode: H04J 99/00](images/vm_hier.gif) ![Link to Depatisnet beginner's search with IPC symbol: H04J 99/00](images/lupe.gif) | H04J 99/00 | Sachverhalte, soweit nicht in anderen Gruppen dieser Unterklasse vorgesehen [2009.01] | Subject matter not provided for in other groups of this subclass [2009.01] |