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IPC-Stelle: H03K 19/0175 1-Punkt Untergruppe [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)
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]
H03K 3/00 Hierarchieinformationen		Circuits for generating electric pulses; Monostable, bistable or multistable circuits (H03K 4/00 takes precedence; for digital computers G06F 1/025) [5]
H03K 4/00 Hierarchieinformationen		Generating pulses having essentially a finite slope or stepped portions (generation of supply voltages from deflection waveforms H04N 3/18)
H03K 5/00 Hierarchieinformationen		Manipulating pulses not covered by one of the other main groups in this subclass (circuits with regenerative action H03K 3/00, H03K 4/00; by the use of non-linear magnetic or dielectric devices H03K 3/45)
H03K 6/00 Hierarchieinformationen		Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass (circuits with regenerative action H03K 4/00)
H03K 7/00 Hierarchieinformationen		Modulating pulses with a continuously-variable modulating signal
H03K 9/00 Hierarchieinformationen		Demodulating pulses which have been modulated with a continuously-variable signal
H03K 11/00 Hierarchieinformationen		Transforming types of modulation, e.g. position-modulated pulses into duration-modulated pulses
H03K 12/00 Hierarchieinformationen		Producing pulses by distorting or combining sinusoidal waveforms (shaping pulses H03K 5/01; combining sinewaves using elements operating in a non-switching manner H03B) [3]
H03K 17/00 Hierarchieinformationen		Electronic switching or gating, i.e. not by contact-making and -breaking (selection of the stylus or auxiliary electrode in electric printing B41J 2/405; sample-and-hold arrangements G11C 27/02; switching or interrupting devices in waveguides H01P; gated amplifiers H03F 3/72; switching arrangements for exchange systems using static devices H04Q 3/52)
H03K 19/00 Hierarchieinformationen		Logic circuits, i.e. having at least two inputs acting on one output (circuits for computer systems using fuzzy logic G06N 7/02); Inverting circuits
H03K 19/003 Hierarchieinformationen		. Modifications for increasing the reliability [3]
H03K 19/007 Hierarchieinformationen		. Fail-safe circuits [3]
H03K 19/01 Hierarchieinformationen		. Modifications for accelerating switching [3]
H03K 19/013 Hierarchieinformationen		. . in bipolar transistor circuits [3]
H03K 19/017 Hierarchieinformationen		. . in field-effect transistor circuits [3]
H03K 19/0175 Hierarchieinformationen		. Coupling arrangements; Interface arrangements (interface arrangements for digital computers G06F 3/00, G06F 13/00) [5]
H03K 19/018 Hierarchieinformationen		. . using bipolar transistors only [5]
H03K 19/0185 Hierarchieinformationen		. . using field-effect transistors only [5]
H03K 19/02 Hierarchieinformationen		. using specified components (H03K 19/003-H03K 19/0175 take precedence) [3, 5]
H03K 19/04 Hierarchieinformationen		. . using gas-filled tubes
H03K 19/06 Hierarchieinformationen		. . using vacuum tubes (using diode rectifiers H03K 19/12)
H03K 19/08 Hierarchieinformationen		. . using semiconductor devices (H03K 19/173 takes precedence; wherein the semiconductor devices are only diode rectifiers H03K 19/12) [3]
H03K 19/082 Hierarchieinformationen		. . . using bipolar transistors [3]
H03K 19/084 Hierarchieinformationen		. . . . Diode–transistor logic [3]
H03K 19/086 Hierarchieinformationen		. . . . Emitter coupled logic [3]
H03K 19/088 Hierarchieinformationen		. . . . Transistor–transistor logic [3]
H03K 19/09 Hierarchieinformationen		. . . . Resistor–transistor logic [3]
H03K 19/091 Hierarchieinformationen		. . . . Integrated injection logic or merged transistor logic [3]
H03K 19/094 Hierarchieinformationen		. . . using field-effect transistors [3]
H03K 19/0944 Hierarchieinformationen		. . . . using MOSFET (H03K 19/096 takes precedence) [5]
H03K 19/0948 Hierarchieinformationen		. . . . . using CMOS [5]
H03K 19/0952 Hierarchieinformationen		. . . . using Schottky type FET (H03K 19/096 takes precedence) [5]
H03K 19/0956 Hierarchieinformationen		. . . . Schottky diode FET logic (H03K 19/096 takes precedence) [5]
H03K 19/096 Hierarchieinformationen		. . . . Synchronous circuits, i.e. using clock signals [3]
H03K 19/098 Hierarchieinformationen		. . . using thyristors [3]
H03K 19/10 Hierarchieinformationen		. . . using tunnel diodes [3]
H03K 19/12 Hierarchieinformationen		. . using diode rectifiers
H03K 19/14 Hierarchieinformationen		. . using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled (optical logic elements G02F 3/00)
H03K 19/16 Hierarchieinformationen		. . using saturable magnetic devices
H03K 19/162 Hierarchieinformationen		. . . using parametrons
H03K 19/164 Hierarchieinformationen		. . . using ferro-resonant devices
H03K 19/166 Hierarchieinformationen		. . . using transfluxors
H03K 19/168 Hierarchieinformationen		. . . using thin-film devices
H03K 19/17 Hierarchieinformationen		. . using twistors
H03K 19/173 Hierarchieinformationen		. . using elementary logic circuits as components [3]
H03K 19/177 Hierarchieinformationen		. . . arranged in matrix form [3]
H03K 19/18 Hierarchieinformationen		. . using galvano-magnetic devices, e.g. Hall-effect devices [2]
H03K 19/185 Hierarchieinformationen		. . using dielectric elements with variable dielectric constant, e.g. ferro-electric capacitors [2]
H03K 19/19 Hierarchieinformationen		. . . using ferro-resonant devices [2]
H03K 19/195 Hierarchieinformationen		. . using superconductive devices [2, 3]
H03K 19/20 Hierarchieinformationen		. characterised by logic function, e.g. AND, OR, NOR, NOT circuits (H03K 19/003-H03K 19/01 take precedence)
H03K 19/21 Hierarchieinformationen		. . EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical [3]
H03K 19/23 Hierarchieinformationen		. . Majority or minority circuits, i.e. giving output having the state of the majority or the minority of the inputs [3]
H03K 21/00 Hierarchieinformationen		Details of pulse counters or frequency dividers
H03K 23/00 Hierarchieinformationen		Pulse counters comprising counting chains; Frequency dividers comprising counting chains (H03K 29/00 takes precedence)
H03K 25/00 Hierarchieinformationen		Pulse counters with step-by-step integration and static storage; Analogous frequency dividers
H03K 27/00 Hierarchieinformationen		Pulse counters in which pulses are continuously circulated in a closed loop; Analogous frequency dividers (feedback shift register counters H03K 23/54) [4]
H03K 29/00 Hierarchieinformationen		Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers
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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