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IPC-Stelle: H03M 1/48 2-Punkt Untergruppe [Version 2013.01, 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, 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 (measuring, testing G01R; optical parametric amplifiers G02F; circuit arrangements with secondary emission tubes H01J 43/30; masers, lasers H01S; dynamo-electric amplifiers H02K; 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; 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]
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]
H03M 1/00 Hierarchieinformationen		Analogue/digital conversion; Digital/analogue conversion (conversion of analogue values to or from differential modulation H03M 3/00) [4]
H03M 1/02 Hierarchieinformationen		. Reversible analogue/digital converters [4]
H03M 1/04 Hierarchieinformationen		. using stochastic techniques [4]
H03M 1/06 Hierarchieinformationen		. Continuously compensating for, or preventing, undesired influence of physical parameters (periodically H03M 1/10) [4]
H03M 1/08 Hierarchieinformationen		. . of noise [4]
H03M 1/10 Hierarchieinformationen		. Calibration or testing [4]
H03M 1/12 Hierarchieinformationen		. Analogue/digital converters (H03M 1/02-H03M 1/10 take precedence) [4]
H03M 1/14 Hierarchieinformationen		. . Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit [4]
H03M 1/16 Hierarchieinformationen		. . . with scale factor modification, i.e. by changing the amplification between the steps [4]
H03M 1/18 Hierarchieinformationen		. . Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging [4]
H03M 1/20 Hierarchieinformationen		. . Increasing resolution using an n bit system to obtain n + m bits, e.g. by dithering [4]
H03M 1/22 Hierarchieinformationen		. . pattern-reading type [4]
H03M 1/24 Hierarchieinformationen		. . . using relatively movable reader and disc or strip [4, 6]
H03M 1/26 Hierarchieinformationen		. . . . with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix [4]
H03M 1/28 Hierarchieinformationen		. . . . with non-weighted coding [4]
H03M 1/30 Hierarchieinformationen		. . . . . incremental [4]
H03M 1/32 Hierarchieinformationen		. . . using cathode-ray tubes [4]
H03M 1/34 Hierarchieinformationen		. . Analogue value compared with reference values (H03M 1/48 takes precedence) [4]
H03M 1/36 Hierarchieinformationen		. . . simultaneously only, i.e. parallel type [4]
H03M 1/38 Hierarchieinformationen		. . . sequentially only, e.g. successive approximation type (converting more than one bit per step H03M 1/14) [4]
H03M 1/40 Hierarchieinformationen		. . . . recirculation type [4]
H03M 1/42 Hierarchieinformationen		. . . . Sequential comparisons in series-connected stages with no change in value of analogue signal [4]
H03M 1/44 Hierarchieinformationen		. . . . Sequential comparisons in series-connected stages with change in value of analogue signal [4]
H03M 1/46 Hierarchieinformationen		. . . . with digital/analogue converter for supplying reference values to converter [4]
H03M 1/48 Hierarchieinformationen		. . Servo-type converters [4]
H03M 1/50 Hierarchieinformationen		. . with intermediate conversion to time interval (H03M 1/64 takes precedence) [4]
H03M 1/52 Hierarchieinformationen		. . . Input signal integrated with linear return to datum [4]
H03M 1/54 Hierarchieinformationen		. . . Input signal sampled and held with linear return to datum [4]
H03M 1/56 Hierarchieinformationen		. . . Input signal compared with linear ramp [4]
H03M 1/58 Hierarchieinformationen		. . . Non-linear conversion [4]
H03M 1/60 Hierarchieinformationen		. . with intermediate conversion to frequency of pulses [4]
H03M 1/62 Hierarchieinformationen		. . . Non-linear conversion [4]
H03M 1/64 Hierarchieinformationen		. . with intermediate conversion to phase of sinusoidal signals [4]
H03M 1/66 Hierarchieinformationen		. Digital/analogue converters (H03M 1/02-H03M 1/10 take precedence) [4]
H03M 1/68 Hierarchieinformationen		. . with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits [4]
H03M 1/70 Hierarchieinformationen		. . Automatic control for modifying converter range [4]
H03M 1/72 Hierarchieinformationen		. . Sequential conversion in series-connected stages (H03M 1/68 takes precedence) [4]
H03M 1/74 Hierarchieinformationen		. . Simultaneous conversion [4]
H03M 1/76 Hierarchieinformationen		. . . using switching tree [4]
H03M 1/78 Hierarchieinformationen		. . . using ladder network [4]
H03M 1/80 Hierarchieinformationen		. . . using weighted impedances (H03M 1/76 takes precedence) [4]
H03M 1/82 Hierarchieinformationen		. . with intermediate conversion to time interval [4]
H03M 1/84 Hierarchieinformationen		. . . Non-linear conversion [4]
H03M 1/86 Hierarchieinformationen		. . with intermediate conversion to frequency of pulses [4]
H03M 1/88 Hierarchieinformationen		. . . Non-linear conversion [4]
H03M 3/00 Hierarchieinformationen		Conversion of analogue values to or from differential modulation [4]
H03M 5/00 Hierarchieinformationen		Conversion of the form of the representation of individual digits [4]
H03M 7/00 Hierarchieinformationen		Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits [4]
H03M 9/00 Hierarchieinformationen		Parallel/series conversion or vice versa (digital stores in which the information is moved stepwise G11C 19/00) [4]
H03M 11/00 Hierarchieinformationen		Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys (keyboard switch arrangements, structural association of coders and keyboards H01H 13/70, H03K 17/94) [4]
H03M 13/00 Hierarchieinformationen		Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes (error detection or error correction for analogue/digital, digital/analogue or code conversion H03M 1/00-H03M 11/00; specially adapted for digital computers G06F 11/08, for information storage based on relative movement between record carrier and transducer G11B, e.g. G11B 20/18, for static stores G11C) [4, 7]
H03M 99/00 Hierarchieinformationen		Subject matter not provided for in other groups of this subclass [2006.01]
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]

Zu vergleichende IPC-Stelle: Es wurden im Verzeichnis noch keine IPC-Stellen für die Vergleichsansicht vorgemerkt. [Version , Sprache ]