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IPC-Stelle: H04B 3/58 2-Punkt Untergruppe [Version 2024.01 (aktuell), Sprache EN - English]

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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		ELECTRIC ELEMENTS
H02 Hierarchieinformationen		GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03 Hierarchieinformationen		ELECTRONIC CIRCUITRY
H04 Hierarchieinformationen		ELECTRIC COMMUNICATION TECHNIQUE
H04B Hierarchieinformationen		TRANSMISSION [4]
H04B 1/00 Hierarchieinformationen		Details of transmission systems, not covered by a single one of groups H04B 3/00-H04B 13/00; Details of transmission systems not characterised by the medium used for transmission [1, 4, 2006.01]
H04B 3/00 Hierarchieinformationen		Line transmission systems (combined with near-field transmission systems H04B 5/00) [1, 2006.01]
H04B 3/02 Hierarchieinformationen		. Details [1, 2006.01]
H04B 3/03 Hierarchieinformationen		. . Hybrid circuits (for transceivers H04B 1/52, H04B 1/58) [3, 2006.01]
H04B 3/04 Hierarchieinformationen		. . Control of transmission; Equalising [1, 2006.01]
H04B 3/06 Hierarchieinformationen		. . . by the transmitted signal [1, 2006.01]
H04B 3/08 Hierarchieinformationen		. . . . in negative-feedback path of line amplifier [1, 2006.01]
H04B 3/10 Hierarchieinformationen		. . . by pilot signal [1, 2006.01]
H04B 3/11 Hierarchieinformationen		. . . . using pilot wire (H04B 3/12 take precedence) [3, 2006.01]
H04B 3/12 Hierarchieinformationen		. . . . in negative-feedback path of line amplifier [1, 2006.01]
H04B 3/14 Hierarchieinformationen		. . . characterised by the equalising network used [1, 2006.01]
H04B 3/16 Hierarchieinformationen		. . . characterised by the negative-impedance network used [1, 2006.01]
H04B 3/18 Hierarchieinformationen		. . . . wherein the network comprises semiconductor devices [1, 2006.01]
H04B 3/20 Hierarchieinformationen		. . Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other [1, 2006.01]
H04B 3/21 Hierarchieinformationen		. . . using a set of bandfilters [3, 2006.01]
H04B 3/23 Hierarchieinformationen		. . . using a replica of transmitted signal in the time domain, e.g. echo cancellers [3, 2006.01]
H04B 3/26 Hierarchieinformationen		. . Improving frequency characteristic by the use of loading coils [1, 2006.01]
H04B 3/28 Hierarchieinformationen		. . Reducing interference caused by currents induced in cable sheathing or armouring [1, 2006.01]
H04B 3/30 Hierarchieinformationen		. . Reducing interference caused by unbalanced currents in a normally balanced line [1, 2006.01]
H04B 3/32 Hierarchieinformationen		. . Reducing cross-talk, e.g. by compensating [1, 2006.01]
H04B 3/34 Hierarchieinformationen		. . . by systematic interconnection of lengths of cable during laying; by addition of balancing components to cable during laying [1, 2006.01]
H04B 3/36 Hierarchieinformationen		. . Repeater circuits (H04B 3/58 takes precedence) [1, 2006.01]
H04B 3/38 Hierarchieinformationen		. . . for signals in two different frequency ranges transmitted in opposite directions over the same transmission path [1, 2006.01]
H04B 3/40 Hierarchieinformationen		. . Artificial lines; Networks simulating a line of certain length [1, 2006.01]
H04B 3/42 Hierarchieinformationen		. . Circuits for by-passing of ringing signals [1, 2006.01]
H04B 3/44 Hierarchieinformationen		. . Arrangements for feeding power to a repeater along the transmission line [1, 2006.01]
H04B 3/46 Hierarchieinformationen		. . Monitoring; Testing [1, 2006.01, 2015.01]
H04B 3/462 Hierarchieinformationen		. . . Testing group delay or phase shift, e.g. timing jitter [2015.01]
H04B 3/466 Hierarchieinformationen		. . . . Testing attenuation in combination with at least one of group delay and phase shift [2015.01]
H04B 3/48 Hierarchieinformationen		. . . Testing attenuation (H04B 3/466 takes precedence) [1, 2006.01, 2015.01]
H04B 3/487 Hierarchieinformationen		. . . Testing crosstalk effects [2015.01]
H04B 3/493 Hierarchieinformationen		. . . Testing echo effects or singing [2015.01]
H04B 3/50 Hierarchieinformationen		. Systems for transmission between fixed stations via two-conductor transmission lines (H04B 3/54 takes precedence) [1, 2006.01]
H04B 3/52 Hierarchieinformationen		. Systems for transmission between fixed stations via waveguides [1, 2006.01]
H04B 3/54 Hierarchieinformationen		. Systems for transmission via power distribution lines (in alarm signalling systems G08B 25/06) [1, 2006.01]
H04B 3/56 Hierarchieinformationen		. . Circuits for coupling, blocking, or by-passing of signals [1, 2006.01]
H04B 3/58 Hierarchieinformationen		. . Repeater circuits [1, 2006.01]
H04B 3/60 Hierarchieinformationen		. Systems for communication between relatively movable stations, e.g. for communication with lift (H04B 3/54 takes precedence) [1, 2006.01]
H04B 5/00 Hierarchieinformationen		Near-field transmission systems, e.g. inductive or capacitive transmission systems [1, 2006.01, 2024.01]
H04B 7/00 Hierarchieinformationen		Radio transmission systems, i.e. using radiation field (H04B 10/00, H04B 15/00 take precedence) [1, 2006.01]
H04B 10/00 Hierarchieinformationen		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, 2006.01, 2013.01]
H04B 11/00 Hierarchieinformationen		Transmission systems employing ultrasonic, sonic or infrasonic waves [1, 2006.01]
H04B 13/00 Hierarchieinformationen		Transmission systems characterised by the medium used for transmission, not provided for in groups H04B 3/00-H04B 11/00 [1, 2006.01]
H04B 14/00 Hierarchieinformationen		Transmission systems not characterised by the medium used for transmission (details thereof H04B 1/00) [4, 2006.01]
H04B 15/00 Hierarchieinformationen		Suppression or limitation of noise or interference (by means associated with receiver H04B 1/10) [1, 2006.01]
H04B 17/00 Hierarchieinformationen		Monitoring; Testing (of line transmission systems H04B 3/46; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves H04B 10/07) [2, 2006.01, 2015.01]
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]
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 (producing sounds with frequency not determined by supply frequency G10K) [6]
H04S Hierarchieinformationen		STEREOPHONIC SYSTEMS [3]
H04W Hierarchieinformationen		WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M 1/72) [2009.01]
H05 Hierarchieinformationen		ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10 Hierarchieinformationen		SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
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 ]