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IPC-Stelle: H03M 7/24 2-Punkt Untergruppe [Version 2006.01, Sprache EN - English]

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Hierarchielinien

DEKLA-Gruppen

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]
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 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 7/02 Hierarchieinformationen		. Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word [4]
H03M 7/04 Hierarchieinformationen		. . the radix thereof being two [4]
H03M 7/06 Hierarchieinformationen		. . the radix thereof being a positive integer different from two [4]
H03M 7/08 Hierarchieinformationen		. . . the radix being ten, i.e. pure decimal code [4]
H03M 7/10 Hierarchieinformationen		. . the radix thereof being negative [4]
H03M 7/12 Hierarchieinformationen		. . having two radices, e.g. binary-coded-decimal code [4]
H03M 7/14 Hierarchieinformationen		. Conversion to or from non-weighted codes [4]
H03M 7/16 Hierarchieinformationen		. . Conversion to or from unit-distance codes, e.g. Gray code, reflected binary code [4]
H03M 7/18 Hierarchieinformationen		. . Conversion to or from residue codes [4]
H03M 7/20 Hierarchieinformationen		. . Conversion to or from n-out-of-m codes [4]
H03M 7/22 Hierarchieinformationen		. . . to or from one-out-of-m codes [4]
H03M 7/24 Hierarchieinformationen		. . Conversion to or from floating-point codes [4]
H03M 7/26 Hierarchieinformationen		. Conversion to or from stochastic codes [4]
H03M 7/28 Hierarchieinformationen		. Programmable structures, i.e. where the code converter contains apparatus which is operator-changeable to modify the conversion process [4]
H03M 7/30 Hierarchieinformationen		. Compression (speech analysis-synthesis for redundancy reduction G10L 19/00; for image communication H04N); Expansion; Suppression of unnecessary data, e.g. redundancy reduction [4]
H03M 7/32 Hierarchieinformationen		. . Conversion to or from delta modulation, i.e. one-bit differential modulation [4]
H03M 7/34 Hierarchieinformationen		. . . adaptive [4]
H03M 7/36 Hierarchieinformationen		. . Conversion to or from differential modulation with several bits, i.e. the difference between successive samples being coded by more than one bit [4]
H03M 7/38 Hierarchieinformationen		. . . adaptive [4]
H03M 7/40 Hierarchieinformationen		. . Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code [4]
H03M 7/42 Hierarchieinformationen		. . . using table look-up for the coding or decoding process, e.g. using read-only memory [4]
H03M 7/44 Hierarchieinformationen		. . . Suppression of irrelevant zeroes [4]
H03M 7/46 Hierarchieinformationen		. . Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind [4]
H03M 7/48 Hierarchieinformationen		. . . alternating with other codes during the code conversion process, e.g. run-length coding being performed only as long as sufficiently long runs of digits of the same kind are present [4]
H03M 7/50 Hierarchieinformationen		. . Conversion to or from non-linear codes, e.g. companding [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]

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