Internationale Patentklassifikation

Recherche
Merkliste

IPC-Version

Sprache

Anzeigesprachen

Recherche-Kriterium

Symbol	Version, Sprache	Auswahl

Suche in DEPATISnet Suche in DPMAregister

Suchanfrage: Es wurde noch keine Recherche ausgeführt.

IPC-Stelle: H03K 4/00 Hauptgruppe [Version 2024.01 (aktuell), Sprache EN - English]

Anzeigeoptionen

Definitionen

Anmerkungen

Sachverzeichnisse

Stich- und Schlagworte

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		ELECTRIC ELEMENTS
H02 Hierarchieinformationen		GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03 Hierarchieinformationen		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 (generators specially adapted for electrophonic musical instruments G10H; masers or lasers H01S; generation of oscillations in plasma H05H)
H03C Hierarchieinformationen		MODULATION (masers or lasers H01S; coding, decoding or code conversion H03M)
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, e.g. balanced modulators H03C 1/54; details applicable to both modulators and frequency-changers H03C; demodulating pulses which have been modulated with a continuously-variable signal H03K 9/00; transforming types of pulse modulation H03K 11/00; relay systems, e.g. 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
H03G Hierarchieinformationen		CONTROL OF AMPLIFICATION
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
H03K Hierarchieinformationen		PULSE TECHNIQUE (measuring pulse characteristics G01R; modulating sinusoidal oscillations with pulses H03C; transmission of digital information H04L; discriminator circuits detecting phase difference between two signals by counting or integrating cycles of oscillation H03D 3/04; automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses 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 function generators in computers G06F 1/02) [1, 5, 2006.01]
H03K 4/00 Hierarchieinformationen		Generating pulses having essentially a finite slope or stepped portions [1, 2006.01]
H03K 4/02 Hierarchieinformationen		. having stepped portions, e.g. staircase waveform [1, 2006.01]
H03K 4/04 Hierarchieinformationen		. having parabolic shape [1, 2006.01]
H03K 4/06 Hierarchieinformationen		. having triangular shape [1, 2006.01]
H03K 4/08 Hierarchieinformationen		. . having sawtooth shape [1, 2006.01]
H03K 4/10 Hierarchieinformationen		. . . using as active elements vacuum tubes only [1, 2006.01]
H03K 4/12 Hierarchieinformationen		. . . . in which a sawtooth voltage is produced across a capacitor [1, 2006.01]
H03K 4/14 Hierarchieinformationen		. . . . . using two tubes so coupled that the input of each one is derived from the output of the other, e.g. multivibrator [1, 2006.01]
H03K 4/16 Hierarchieinformationen		. . . . . using a single tube with positive feedback through transformer, e.g. blocking oscillator [1, 2006.01]
H03K 4/18 Hierarchieinformationen		. . . . . using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron [1, 2006.01]
H03K 4/20 Hierarchieinformationen		. . . . . using a tube with negative feedback by capacitor, e.g. Miller integrator [1, 2006.01]
H03K 4/22 Hierarchieinformationen		. . . . . . combined with transitron, e.g. phantastron, sanatron [1, 2006.01]
H03K 4/24 Hierarchieinformationen		. . . . . Boot-strap generators [1, 2006.01]
H03K 4/26 Hierarchieinformationen		. . . . in which a sawtooth current is produced through an inductor [1, 2006.01]
H03K 4/28 Hierarchieinformationen		. . . . . using a tube operating as a switching device [1, 3, 2006.01]
H03K 4/32 Hierarchieinformationen		. . . . . . combined with means for generating the driving pulses [1, 2006.01]
H03K 4/34 Hierarchieinformationen		. . . . . . . using a single tube with positive feedback through a transformer [1, 2006.01]
H03K 4/36 Hierarchieinformationen		. . . . . . . using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron [1, 2006.01]
H03K 4/38 Hierarchieinformationen		. . . . . . . . combined with Miller integrator [1, 2006.01]
H03K 4/39 Hierarchieinformationen		. . . . . using a tube operating as an amplifier [3, 2006.01]
H03K 4/41 Hierarchieinformationen		. . . . . . with negative feedback through a capacitor, e.g. Miller integrator [3, 2006.01]
H03K 4/43 Hierarchieinformationen		. . . . . . combined with means for generating the driving pulses [3, 2006.01]
H03K 4/48 Hierarchieinformationen		. . . using as active elements semiconductor devices (H03K 4/787-H03K 4/84 take precedence) [1, 2006.01]
H03K 4/50 Hierarchieinformationen		. . . . in which a sawtooth voltage is produced across a capacitor [1, 2006.01]
H03K 4/501 Hierarchieinformationen		. . . . . the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator [6, 2006.01]
H03K 4/502 Hierarchieinformationen		. . . . . . the capacitor being charged from a constant-current source [6, 2006.01]
H03K 4/52 Hierarchieinformationen		. . . . . using two semiconductor devices so coupled that the input of each one is derived from the output of the other, e.g. multivibrator [1, 2006.01]
H03K 4/54 Hierarchieinformationen		. . . . . using a single semiconductor device with positive feedback through a transformer, e.g. blocking oscillator [1, 2006.01]
H03K 4/56 Hierarchieinformationen		. . . . . using a semiconductor device with negative feedback through a capacitor, e.g. Miller integrator [1, 2006.01]
H03K 4/58 Hierarchieinformationen		. . . . . Boot-strap generators [1, 2006.01]
H03K 4/60 Hierarchieinformationen		. . . . in which a sawtooth current is produced through an inductor [1, 2006.01]
H03K 4/62 Hierarchieinformationen		. . . . . using a semiconductor device operating as a switching device [1, 3, 2006.01]
H03K 4/64 Hierarchieinformationen		. . . . . . combined with means for generating the driving pulses [1, 2006.01]
H03K 4/66 Hierarchieinformationen		. . . . . . . using a single device with positive feedback, e.g. blocking oscillator [1, 2006.01]
H03K 4/68 Hierarchieinformationen		. . . . . . Generators in which the switching device is conducting during the fly-back part of the cycle [1, 2006.01]
H03K 4/69 Hierarchieinformationen		. . . . . using a semiconductor device operating as an amplifier [3, 2006.01]
H03K 4/71 Hierarchieinformationen		. . . . . . with negative feedback through a capacitor, e.g. Miller integrator [3, 2006.01]
H03K 4/72 Hierarchieinformationen		. . . . . . combined with means for generating the driving pulses [1, 2006.01]
H03K 4/787 Hierarchieinformationen		. . . using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic [2, 2006.01]
H03K 4/793 Hierarchieinformationen		. . . . using tunnel diodes [2, 2006.01]
H03K 4/80 Hierarchieinformationen		. . . using as active elements multi-layer diodes [1, 2006.01]
H03K 4/83 Hierarchieinformationen		. . . using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region [2, 2006.01]
H03K 4/84 Hierarchieinformationen		. . . . Generators in which the semiconductor device is conducting during the fly-back part of the cycle [1, 2006.01]
H03K 4/86 Hierarchieinformationen		. . . using as active elements gas-filled tubes [1, 2006.01]
H03K 4/88 Hierarchieinformationen		. . . using as active elements electrochemical cells [1, 2006.01]
H03K 4/90 Hierarchieinformationen		. . . Linearisation of ramp (modifying slopes of pulses H03K 6/04; scanning distortion correction for television receivers H04N 3/23); Synchronisation of pulses [2, 2006.01]
H03K 4/92 Hierarchieinformationen		. having a waveform comprising a portion of a sinusoid (generating sinusoidal oscillations H03B) [2, 2006.01]
H03K 4/94 Hierarchieinformationen		. having trapezoidal shape [2, 2006.01]
H03K 5/00 Hierarchieinformationen		Manipulation of pulses not covered by one of the other main groups of 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) [1, 2006.01]
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) [1, 2006.01]
H03K 7/00 Hierarchieinformationen		Modulating pulses with a continuously-variable modulating signal [1, 2006.01]
H03K 9/00 Hierarchieinformationen		Demodulating pulses which have been modulated with a continuously-variable signal [1, 2006.01]
H03K 11/00 Hierarchieinformationen		Transforming types of modulation, e.g. position-modulated pulses into duration-modulated pulses [1, 2006.01]
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 21/00) [3, 2006.01]
H03K 17/00 Hierarchieinformationen		Electronic switching or gating, i.e. not by contact-making and -breaking (gated amplifiers H03F 3/72; switching arrangements for exchange systems using static devices H04Q 3/52) [1, 2006.01]
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 [1, 2006.01]
H03K 21/00 Hierarchieinformationen		Details of pulse counters or frequency dividers [1, 2006.01]
H03K 23/00 Hierarchieinformationen		Pulse counters comprising counting chains; Frequency dividers comprising counting chains (H03K 29/00 takes precedence) [1, 2006.01]
H03K 25/00 Hierarchieinformationen		Pulse counters with step-by-step integration and static storage; Analogous frequency dividers [1, 2006.01]
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) [1, 4, 2006.01]
H03K 29/00 Hierarchieinformationen		Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers [1, 2006.01]
H03K 99/00 Hierarchieinformationen		Subject matter not provided for in other groups of this subclass [2013.01]
H03L Hierarchieinformationen		AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES (generation of oscillations H03B) [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
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 ]