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IPC-Stelle: H03H 9/00 Hauptgruppe [Version 2006.01, Sprache EN - English]

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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
H03B Hierarchieinformationen		GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS (measuring, testing G01R; generators adapted for electrophonic musical instruments G10H; speech synthesis G10L 13/00; masers, lasers H01S; dynamo-electric machines H02K; power inverter circuits H02M; by using pulse techniques H03K; automatic control of generators H03L; starting, synchronisation or stabilisation of generators where the type of generator is irrelevant or unspecified H03L; generation of oscillations in plasma H05H)
H03C Hierarchieinformationen		MODULATION (measuring, testing G01R; masers, lasers H01S; modulators specially adapted for use in dc amplifiers H03F 3/38; modulating pulses H03K 7/00; so-called modulators capable only of switching between predetermined states of amplitude, frequency or phase H03K 17/00, H04L; coding, decoding or code conversion, in general H03M; synchronous modulators specially adapted for colour television H04N 9/65)
H03D Hierarchieinformationen		DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER (masers, lasers H01S; circuits capable of acting both as modulator and demodulator H03C; details applicable to both modulators and frequency-changers H03C; demodulating pulses H03K 9/00; transforming types of pulse modulation H03K 11/00; coding, decoding or code conversion, in general H03M; repeater stations H04B 7/14; demodulators adapted for digitally modulated-carrier systems H04L 27/00; synchronous demodulators adapted for colour television H04N 9/66)
H03F Hierarchieinformationen		AMPLIFIERS (measuring, testing G01R; optical parametric amplifiers G02F; circuit arrangements with secondary emission tubes H01J 43/30; masers, lasers H01S; control of amplification H03G; coupling arrangements independent of the nature of the amplifier, voltage dividers H03H; amplifiers capable only of dealing with pulses H03K; repeater circuits in transmission lines H04B 3/36, H04B 3/58; application of speech amplifiers in telephonic communication H04M 1/60, H04M 3/40)
H03G Hierarchieinformationen		CONTROL OF AMPLIFICATION (impedance networks, e.g. attenuators, H03H; control of transmission in lines H04B 3/04)
H03H Hierarchieinformationen		IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing G01R; arrangements for producing a reverberation or echo sound G10K 15/08; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, H01P; control of amplification, e.g. bandwidth control of amplifiers, H03G; tuning resonant circuits, e.g. tuning coupled resonant circuits, H03J; networks for modifying the frequency characteristics of communication systems H04B)
H03H 1/00 Hierarchieinformationen		Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00)
H03H 2/00 Hierarchieinformationen		Networks using elements or techniques not provided for in groups H03H 3/00-H03H 21/00 [3]
H03H 3/00 Hierarchieinformationen		Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
H03H 5/00 Hierarchieinformationen		One-port networks comprising only passive electrical elements as network components [3]
H03H 7/00 Hierarchieinformationen		Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/40) [3]
H03H 9/00 Hierarchieinformationen		Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (manufacture of piezo-electric or magnetostrictive elements H01L 41/00; loudspeakers, microphones, gramophone pick-ups or the like H04R)
H03H 9/02 Hierarchieinformationen		. Details [3]
H03H 9/05 Hierarchieinformationen		. . Holders; Supports [3]
H03H 9/08 Hierarchieinformationen		. . . Holders with means for regulating temperature
H03H 9/09 Hierarchieinformationen		. . . Elastic or damping supports [3]
H03H 9/10 Hierarchieinformationen		. . . Mounting in enclosures
H03H 9/12 Hierarchieinformationen		. . . . for networks with interaction of optical and acoustic waves
H03H 9/125 Hierarchieinformationen		. . Driving means, e.g. electrodes, coils [3]
H03H 9/13 Hierarchieinformationen		. . . for networks consisting of piezo-electric or electrostrictive materials (H03H 9/145 takes precedence) [3]
H03H 9/135 Hierarchieinformationen		. . . for networks consisting of magnetostrictive materials (H03H 9/145 takes precedence) [3]
H03H 9/145 Hierarchieinformationen		. . . for networks using surface acoustic waves [3]
H03H 9/15 Hierarchieinformationen		. Constructional features of resonators consisting of piezo-electric or electrostrictive material (H03H 9/25 takes precedence) [3]
H03H 9/17 Hierarchieinformationen		. . having a single resonator (crystal tuning forks H03H 9/21) [3]
H03H 9/19 Hierarchieinformationen		. . . consisting of quartz [3]
H03H 9/205 Hierarchieinformationen		. . having multiple resonators (crystal tuning forks H03H 9/21) [3]
H03H 9/21 Hierarchieinformationen		. . Crystal tuning forks [3]
H03H 9/215 Hierarchieinformationen		. . . consisting of quartz [3]
H03H 9/22 Hierarchieinformationen		. Constructional features of resonators consisting of magnetostricitve material
H03H 9/24 Hierarchieinformationen		. Constructional features of resonators of material which is not piezo-electric, electrostrictive, or magnetostrictive
H03H 9/25 Hierarchieinformationen		. Constructional features of resonators using surface acoustic waves [3]
H03H 9/30 Hierarchieinformationen		. Time-delay networks
H03H 9/36 Hierarchieinformationen		. . with non-adjustable delay time (H03H 9/40, H03H 9/42 take precedence) [3]
H03H 9/38 Hierarchieinformationen		. . with adjustable delay time (H03H 9/40, H03H 9/42 take precedence) [3]
H03H 9/40 Hierarchieinformationen		. . Frequency-dependent delay lines, e.g. dispersive delay lines (H03H 9/42 takes precedence) [3]
H03H 9/42 Hierarchieinformationen		. . using surface acoustic waves [3]
H03H 9/44 Hierarchieinformationen		. . . Frequency-dependent delay lines, e.g. dispersive delay lines [3]
H03H 9/46 Hierarchieinformationen		. Filters (multiple-port electromechanical filters H03H 9/70) [3]
H03H 9/48 Hierarchieinformationen		. . Coupling means therefor [3]
H03H 9/50 Hierarchieinformationen		. . . Mechanical coupling means [3]
H03H 9/52 Hierarchieinformationen		. . . Electric coupling means [3]
H03H 9/54 Hierarchieinformationen		. . comprising resonators of piezo-electric or electrostrictive material (H03H 9/64 takes precedence) [3]
H03H 9/56 Hierarchieinformationen		. . . Monolithic crystal filters [3]
H03H 9/58 Hierarchieinformationen		. . . Multiple crystal filters [3]
H03H 9/60 Hierarchieinformationen		. . . . Electric coupling means therefor [3]
H03H 9/62 Hierarchieinformationen		. . comprising resonators of magnetostrictive material (H03H 9/64 takes precedence) [3]
H03H 9/64 Hierarchieinformationen		. . using surface acoustic waves [3]
H03H 9/66 Hierarchieinformationen		. Phase shifters [3]
H03H 9/68 Hierarchieinformationen		. . using surface acoustic waves [3]
H03H 9/70 Hierarchieinformationen		. Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common or source [3]
H03H 9/72 Hierarchieinformationen		. . Networks using surface acoustic waves [3]
H03H 9/74 Hierarchieinformationen		. Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H 9/66) [3]
H03H 9/76 Hierarchieinformationen		. . Networks using surface acoustic waves [3]
H03H 11/00 Hierarchieinformationen		Networks using active elements
H03H 15/00 Hierarchieinformationen		Transversal filters (electromechanical filters H03H 9/46, H03H 9/70) [3]
H03H 17/00 Hierarchieinformationen		Networks using digital techniques [3]
H03H 19/00 Hierarchieinformationen		Networks using time-varying elements, e.g. N-path filters [3]
H03H 21/00 Hierarchieinformationen		Adaptive networks [3]
H03J Hierarchieinformationen		TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS (indicating arrangements for measuring G01D; measuring, testing G01R; remote-control in general G05, G08; automatic control or stabilisation of generators H03L)
H03K Hierarchieinformationen		PULSE TECHNIQUE (measuring pulse characteristics G01R; mechanical counters having an electrical input G06M; information storage devices in general G11; sample-and-hold arrangements in electric analogue stores G11C 27/02; construction of switches involving contact making and breaking for generation of pulses, e.g. by using a moving magnet, H01H; static conversion of electric power H02M; generation of oscillations by circuits employing active elements which operate in a non-switching manner H03B; modulating sinusoidal oscillations with pulses H03C, H04L; discriminator circuits involving pulse counting H03D; automatic control of generators H03L; starting, synchronisation, or stabilisation of generators where the type of generator is irrelevant or unspecified H03L; coding, decoding or code conversion, in general H03M) [4]
H03L Hierarchieinformationen		AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES (of dynamo-electric generators H02P) [3]
H03M Hierarchieinformationen		CODING, DECODING OR CODE CONVERSION, IN GENERAL (using fluidic means F15C 4/00; optical analogue/digital converters G02F 7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C) [4]
H04 Hierarchieinformationen		ELECTRIC COMMUNICATION TECHNIQUE
H05 Hierarchieinformationen		ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H99 Hierarchieinformationen		SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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