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IPC-Stelle: H04B 1/08 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]
H04B 1/00 Hierarchieinformationen		Details of transmission systems, not covered by a single one of groups H04B 3/00 to H04B 13/00; Details of transmission systems not characterised by the medium used for transmission (tuning resonant circuits H03J) [4]
H04B 1/02 Hierarchieinformationen		. Transmitters (spatial arrangements of component circuits in radio pills for living beings A61B 5/07)
H04B 1/03 Hierarchieinformationen		. . Constructional details, e.g. casings, housings [2]
H04B 1/034 Hierarchieinformationen		. . . Portable transmitters [2]
H04B 1/036 Hierarchieinformationen		. . . Cooling arrangements (cooling transformers H01F 27/08; cooling discharge tubes H01J 7/24 , H01J 19/74) [2]
H04B 1/04 Hierarchieinformationen		. . Circuits (of television transmitters H04N 5/38)
H04B 1/06 Hierarchieinformationen		. Receivers (control of amplification H03G; television receivers H04N 5/44 , H04N 5/64)
H04B 1/08 Hierarchieinformationen		. . Constructional details, e.g. cabinet
H04B 1/10 Hierarchieinformationen		. . Means associated with receiver for limiting or suppressing noise or interference
H04B 1/12 Hierarchieinformationen		. . . Neutralising, balancing, or compensation arrangements
H04B 1/14 Hierarchieinformationen		. . . Automatic detuning arrangements
H04B 1/16 Hierarchieinformationen		. . Circuits
H04B 1/18 Hierarchieinformationen		. . . Input circuits, e.g. for coupling to an aerial or a transmission line (input circuits for amplifiers in general H03F; coupling networks between aerials or lines and receivers independent of the nature of the receiver H03H)
H04B 1/20 Hierarchieinformationen		. . . for coupling gramophone pick-up, recorder output, or microphone to receiver
H04B 1/22 Hierarchieinformationen		. . . for receivers in which no local oscillation is generated
H04B 1/24 Hierarchieinformationen		. . . . the receiver comprising at least one semiconductor device having three or more electrodes
H04B 1/26 Hierarchieinformationen		. . . for superheterodyne receivers (multiple frequency-changing H03D 7/16)
H04B 1/28 Hierarchieinformationen		. . . . the receiver comprising at least one semiconductor device having three or more electrodes
H04B 1/30 Hierarchieinformationen		. . . for homodyne or synchrodyne receivers (demodulator circuits H03D 1/22)
H04B 1/38 Hierarchieinformationen		. Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
H04B 1/40 Hierarchieinformationen		. . Circuits
H04B 1/44 Hierarchieinformationen		. . . Transmit/receive switching (tubes therefor H01J 17/64; waveguide switches H01P 1/10) [2]
H04B 1/46 Hierarchieinformationen		. . . . by voice-frequency signals; by pilot signals
H04B 1/48 Hierarchieinformationen		. . . . in circuit for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter (in radar systems G01S)
H04B 1/50 Hierarchieinformationen		. . . using different frequencies for the two directions of communication
H04B 1/52 Hierarchieinformationen		. . . . Hybrid arrangements, i.e. for transition from single-path two-way transmission to single transmission on each of two paths, or vice versa
H04B 1/54 Hierarchieinformationen		. . . using the same frequency for both directions of communication (H04B 1/44 takes precedence)
H04B 1/56 Hierarchieinformationen		. . . . with provision for simultaneous communication in both directions
H04B 1/58 Hierarchieinformationen		. . . . Hybrid arrangements, i.e. for transition from single-path two-way transmission to single transmission on each of two paths, or vice versa
H04B 1/59 Hierarchieinformationen		. Responders; Transponders (relay systems H04B 7/14)
H04B 1/60 Hierarchieinformationen		. Supervising unattended repeaters
H04B 1/62 Hierarchieinformationen		. for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
H04B 1/64 Hierarchieinformationen		. . Volume compression or expansion arrangements
H04B 1/66 Hierarchieinformationen		. for reducing bandwidth of signals (in speech analysis-synthesis techniques G10L 19/00; in pictorial communication systems H04N); for improving efficiency of transmission (H04B 1/68 takes precedence)
H04B 1/68 Hierarchieinformationen		. for wholly or partially suppressing the carrier or one side band [4]
H04B 1/69 Hierarchieinformationen		. Spread spectrum techniques in general (for code multiplex systems H04J 13/02) [6]
H04B 1/707 Hierarchieinformationen		. . using direct sequence modulation [6]
H04B 1/713 Hierarchieinformationen		. . using frequency hopping [6]
H04B 1/72 Hierarchieinformationen		. Circuits or components for simulating aerials, e.g. dummy aerial (dissipative waveguide terminations H01P 1/26)
H04B 1/74 Hierarchieinformationen		. for increasing reliability, e.g. using redundant or spare channels or apparatus [3]
H04B 1/76 Hierarchieinformationen		. Pilot transmitters or receivers for control of transmission or for equalising [3]
H04B 3/00 Hierarchieinformationen		Line transmission systems (combined with near-field transmission systems H04B 5/00; constructional features of cables H01B 11/00)
H04B 5/00 Hierarchieinformationen		Near-field transmission systems, e.g. inductive loop type
H04B 7/00 Hierarchieinformationen		Radio transmission systems, i.e. using radiation field (H04B 10/00 , H04B 15/00 take precedence)
H04B 10/00 Hierarchieinformationen		Transmission systems employing beams of corpuscular radiation, or electromagnetic waves other than radio waves, e.g. light, infra-red (optical coupling, mixing or splitting G02B; light guides G02B 6/00; switching, modulation, demodulation of light beams G02B , G02F; devices or arrangements for the control, e.g. modulation, of light beams G02F 1/00; devices or arrangements for demodulating light, transferring the modulation or changing the frequency of light G02F 2/00; optical multiplex systems H04J 14/00) [5]
H04B 11/00 Hierarchieinformationen		Transmission systems employing ultrasonic, sonic or infrasonic waves
H04B 13/00 Hierarchieinformationen		Transmission systems characterised by the medium used for transmission, not provided for in groups H04B 3/00 to H04B 11/00
H04B 14/00 Hierarchieinformationen		Transmission systems not characterised by the medium used for transmission (details thereof H04B 1/00) [4]
H04B 15/00 Hierarchieinformationen		Suppression or limitation of noise or interference (by means associated with receiver H04B 1/10)
H04B 17/00 Hierarchieinformationen		Monitoring; Testing [2]
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]
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

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