IPC-Stelle: G10H 1/00 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
GSKPHYSICS
G10KLMUSICAL INSTRUMENTS; ACOUSTICS
G10HUKLELECTROPHONIC MUSICAL INSTRUMENTS (electronic circuits in general H03)
G10H 1/00HGRDetails of electrophonic musical instruments (keyboards applicable also to other musical instruments G10B , G10C; arrangements for producing a reverberation or echo sound G10K 15/08) [5]
G10H 1/02UGR1
.Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando
G10H 1/04UGR2
. .by additional modulation
G10H 1/043UGR3
. . .Continuous modulation [3]
G10H 1/045UGR4
. . . .by electromechanical means [3]
G10H 1/047UGR4
. . . .by acousto-mechanical means, e.g. rotating speakers or sound deflectors [3]
G10H 1/053UGR3
. . .during execution only [3]
G10H 1/055UGR4
. . . .by switches with variable impedance elements [3]
G10H 1/057UGR4
. . . .by envelope-forming circuits [3]
G10H 1/06UGR2
. .Circuits for establishing the harmonic content of tones
G10H 1/08UGR3
. . .by combining tones (G10H 1/14 , G10H 1/16 take precedence; chord G10H 1/38; speech analysis or synthesis, G10L) [3]
G10H 1/10UGR4
. . . .for obtaining chorus, celeste or ensemble effects (continuous modulation G10H 1/043) [3]
G10H 1/12UGR3
. . .by filtering complex wave forme (G10H 1/14 , G10H 1/16 take precedence) [3]
G10H 1/14UGR3
. . .during execution (modulation during execution G10H 1/053) [3]
G10H 1/16UGR3
. . .by non-linear elements (G10H 1/14 takes precedence; generation of non-sinusoidal basic tones G10H 5/10) [3]
G10H 1/18UGR1
.Selecting circuits [3]
G10H 1/20UGR2
. .for transposition [3]
G10H 1/22UGR2
. .for suppressing tones; Preference networks [3]
G10H 1/24UGR2
. .for selecting plural preset register stops [3]
G10H 1/26UGR2
. .for automatically producing a series of tones [3]
G10H 1/28UGR3
. . .to produce arpeggios [3]
G10H 1/30UGR3
. . .to reiteratively sound two tones [3]
G10H 1/32UGR1
.Constructional details [3]
G10H 1/34UGR2
. .Switch arrangements, e.g. keyboards or mechanical switches peculiar to electrophonic musical instruments (keyboards applicable also to other musical instruments G10B , G10C) [3]
G10H 1/36UGR1
.Accompaniment arrangements [3]
G10H 1/38UGR2
. .Chord [3]
G10H 1/40UGR2
. .Rhythm (metronomes G04F 5/02) [3]
G10H 1/42UGR3
. . .comprising tone forming circuits [3]
G10H 1/44UGR1
.Tuning means [3]
G10H 1/46UGR1
.Volume control [3]
G10H 3/00HGRInstruments in which the tones are generated by electromechanical means
G10H 3/02UGR1
.using mechanical interrupters
G10H 3/03UGR1
.using pick-up means for reading recorded waves, e.g. on rotating discs [3]
G10H 3/06UGR2
. .using photoelectric pick-up means
G10H 3/08UGR2
. .using inductive pick-up means
G10H 3/09UGR3
. . .using tapes or wires [3]
G10H 3/10UGR2
. .using capacitive pick-up means
G10H 3/12UGR1
.using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument [3]
G10H 3/14UGR2
. .using mechanically actuated vibrators with pick-up means (G10H 3/24 takes precedence) [3]
G10H 3/16UGR3
. . .using a reed [3]
G10H 3/18UGR3
. . .using a string, e.g. electric guitar [3]
G10H 3/20UGR3
. . .using a tuning fork, rod or tube [3]
G10H 3/22UGR2
. .using electromechanically actuated vibrators with pick-up means (G10H 3/24 takes precedence) [3]
G10H 3/24UGR2
. .incorporating feedback means, e.g. acoustic [3]
G10H 3/26UGR3
. . .using electric feedback [3]
G10H 5/00HGRInstruments in which the tones are generated by means of electronic generators (G10H 7/00 takes precedence) [3]
G10H 5/02UGR1
.using generation of basic tones
G10H 5/04UGR2
. .with semiconductor devices as active elements (G10H 5/10 , G10H 5/12 take precedence)
G10H 5/06UGR2
. .tones generated by frequency multiplication or division of a basic tone
G10H 5/07UGR3
. . .resulting in complex waveforms [3]
G10H 5/08UGR2
. .tones generated by heterodyning
G10H 5/10UGR1
.using generation of non-sinusoidal basic tones, e.g. sawtooth
G10H 5/12UGR2
. .using semiconductor devices as active elements
G10H 5/14UGR1
.using electromechanical resonator, e.g. quartz crystal, as frequency-determining element [3]
G10H 5/16UGR1
.using cathode ray tube [3]
G10H 7/00HGRInstruments in which the tones are synthesised from a data store, e.g. computer organs (synthesis of acoustic waves not specific to musical instruments G10K 15/02 , G10L) [3, 5]
G10H 7/02UGR1
.in which amplitudes at successive sample points of a tone waveform are stored in one or more memories [5]
G10H 7/04UGR2
. .in which amplitudes are read at varying rates, e.g. according to pitch [5]
G10H 7/06UGR2
. .in which amplitudes are read at a fixed rate, the read-out address varying stepwise by a given value, e.g. according to pitch [5]
G10H 7/08UGR1
.by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform [5]
G10H 7/10UGR2
. .using coefficients or parameters stored in a memory, e.g. Fourier coefficients (G10H 7/12 takes precedence) [5]
G10H 7/12UGR2
. .by means of a recursive algorithm using one or more sets of parameters stored in a memory and the calculated amplitudes of one or more preceding sample points [5]