| Class 984 | MUSICAL INSTRUMENTS |
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| E-subclasses in USPC Class 984/1-398 were created as duplicates of EPO groups in Class G10. With the implementation of CPC, these E-subclasses should no longer be used. Instead, use CPC groups in G10. | ||
| CROSS-REFERENCE ART COLLECTIONS | ||
![[List of Pre Grant Publications for class 984 subclass 1]](../as.gif) | ![[List of Patents for class 984 subclass 1]](../ps.gif) | 1 | ORGANS; HARMONIUMS {MOUTH ORGANS OR ACCORDIONS SUBCLASSES 100+; ASPECTS OF AUTOMATIC ACTUATION SUBCLASSES 200+; COMBINATIONS OF MICROPHONES, PICK-UPS OR AMPLIFIERS WITH MUSICAL INSTRUMENTS, ELECTRIC ORGANS SUBCLASSES 300+} {G10B} |
| | 2 |  General design of organs, harmoniums, or like wind-actuated musical instruments {G10B 1/00} |
| | 7 | Details of, accessories for, organs, harmoniums, or the like {G10B 3/00} |
| | 8 |  Blowers {G10B 3/02} |
| | 9 | Reservoirs {G10B 3/04} |
| | 10 | Valves; Sleeves {G10B 3/06} |
| | 11 | Pipes, e.g., open end, reed pipe, etc. {G10B 3/08} |
| | 12 | Actions, e.g., coupler, etc. {G10B 3/10} |
| | 13 | Keys or keyboards; Manuals {keyboards for musical instruments in general subclass 60} {G10B 3/12} |
| | 14 | Pedals or pedal boards {G10B 3/14} |
| | 15 | Swell chambers; Accentuating means {G10B 3/16} |
| | 16 | Tremolo-producing devices {G10B 3/18} |
| | 17 | Transposing devices {G10B 3/20} |
| | 18 | Details peculiar to electrically-operated organs, e.g., contacts therefor, etc. {G10B 3/22} |
| | 50 | PIANOS {NONMUSICAL ASPECTS OF TOY PIANOS A63H 5/00; ASPECTS OF AUTOMATIC ACTUATION SUBCLASSES 200+; COMBINATIONS OF MICROPHONES, PICK-UPS OR AMPLIFIERS WITH MUSICAL INSTRUMENTS SUBCLASSES 300+} {G10C} |
| | 51 | General design of pianos or like stringed musical instruments with keyboards {G10C 1/00} |
| | 52 | Of upright pianos {G10C 1/02} |
| | 53 | Of grand pianofortes {G10C 1/04} |
| | 54 | Of cembaloes, spinets, or similar stringed instruments {G10C 1/06} |
| | 55 | Details of, accesories for, pianos or the like {G10C 3/00} |
| | 56 | Cases {G10C 3/02} |
| | 57 | Frames; Bridges; Bars {G10C 3/04} |
| | 58 | Resonating means, e.g., resonant strings, soundboards, etc.; fastening of the resonating strings {G10C 3/06} |
| | 59 | Arrangements of strings {G10C 3/08} |
| | 60 | Tuning pins or straining devices {G10C 3/10} |
| | 61 | Keyboards; Keys {G10C 3/12} |
| | 63 | Actions {G10C 3/16} |
| | 64 |  Hammers {G10C 3/18} |
| | 65 | Involving the use of hydraulic, pneumatic, or electromagnetic means {G10C 3/20} |
| | 66 | For grand pianofortes {G10C 3/22} |
| | 67 | For reciprocating of tremolo {G10C 3/24} |
| | 68 | Pedals or pedal mechanisms for half-blow or similar sound modifying {G10C 3/26} |
| | 69 | Transposing devices {G10C 3/28} |
| | 70 | Couplers, e.g., for playing octaves, etc. {G10C 3/30} |
| | 71 | Combinations of pianos with other musical instruments, e.g., with bells, with xylophone, etc. {G10C 5/00} |
| | 72 | Special tools or methods for the manufacture and maintenance of pianos {G10C 9/00} |
| | 100 | MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR {ASPECTS OF AUTOMATIC ACTUATION SUBCLASSES 200+; COMBINATIONS OF MICROPHONES, PICK-UPS OR AMPLIFIERS WITH MUSICAL INSTRUMENTS SUBCLASSES 300+; SOUND-PRODUCING DEVICES NOT REGARDED AS MUSICAL INSTRUMENTS OR PARTS THEREOF G10K} {G10D} |
| | 101 | General design of stringed musical instruments {pianos or similar instruments with keyboard subclasses 50+} {G10D 1/00} |
| | 102 | Materials or treatment of materials for the manufacturing of stringed instruments {G10D 1/00B} |
| | 103 | Of violins, violas, violoncellos, basses {G10D 1/02} |
| | 104 | Of harps, lyres {G10D 1/04} |
| | 105 | Of mandolins {G10D 1/06} |
| | 106 | Of guitars {G10D 1/08} |
| | 107 | Mechanical design of electric-guitars {electrical or electromechanical features subclasses 368+} {G10D 1/08B} |
| | 108 | Of banjos {G10D 1/10} |
| | 109 | Of zithers, e.g., autoharp, etc. {G10D 1/12} |
| | 110 | Details of, or accessories for, stringed musical instruments {G10D 3/00} |
| | 111 | Cellopins and accessories therefore {G10D 3/00B} |
| | 112 | Resonating means, horns, or diaphragms {G10D 3/02} |
| | 113 | Bridges, mutes, or capo-tastos {G10D 3/04} |
| | 115 | Fingerboards {G10D 3/06} |
| | 117 | String {G10D 3/10} |
| | 118 | Anchoring devices for strings, e.g., tail piece, hitchpin, etc. {G10D 3/12} |
| | 119 | Tuning devices, e.g., pegs, pins, friction discs, etc. {G10D 3/14} |
| | 122 | Bows; Guides for bows; Plectra and like playing means {G10D 3/16} |
| | 124 | Chin-rests, hand-rests or guards as part of the instruments {separate auxillary devices or supports subclasses 250+} {G10D 3/18} |
| | 125 | General design of wind-actuated musical instruments {accordions subclass 148; Organs, harmoniums subclasses 1+; Whistles G10K} {G10D 7/00} |
| | 126 | Materials or treatment of materials for the manufacturing of wind-actuated instruments {G10D 7/00B} |
| | 127 | Of the type wherein an air current is directed against a ramp edge, e.g., flute, recorder, etc. {G10D 7/02} |
| | 131 | Of the type with a beating reed {Rohrblatt) or reeds, e.g., oboe, clarinet, bassoon, bagpipe, etc. {G10D 7/06} |
| | 135 | Of the type with a cupped mouthpiece, e.g., cornet, orchestral trumpet, trombone, etc. {G10D 7/10} |
| | 136 | Of the type with free reeds (Zunge), e.g., trumpet for children, etc. {G10D 7/12} |
| | 139 | Details of, or accessories for, wind-actuated musical instruments {G10D 9/00} |
| | 140 | Tuning devices {G10D 9/00B} |
| | 141 | Mouthpieces; Reeds {G10D 9/02} |
| | 144 | Valves; Valve controls {G10D 9/04} |
| | 147 | Mutes {G10D 9/06} |
| | 148 | Accordions, concertinas, or the like; Keyboards therefor (keyboards for musical instruments in general subclass 61) {G10D 11/00} |
| | 150 | Percussive musical instruments {G10D 13/00} |
| | 151 | Drums, tambourines {G10D 13/02} |
| | 153 | Timpani {G10D 13/04} |
| | 154 | Castanets, cymbals, triangles, or other single-toned percussive musical instruments {bells G10K} {G10D 13/06} |
| | 155 | Multitoned musical instruments, with sonorous bars, blocks, forks, gongs, plates, rods, or teeth {G10D 13/08} |
| | 157 | Combinations of different musical instruments {combinations with pianos subclasses 50+} {G10D 15/00} |
| | 158 | Musical instruments not provided for in any of the preceding groups, e.g., Aeolian harp, singing-flame musical instrument, etc. {G10D 17/00} |
| | 200 | AUTOMATIC MUSICAL INSTRUMENTS NONMUSICAL ASPECTS OF TOY INSTRUMENTS A63 5/00; SOUND RECORDING AND REPRODUCING G11B; ASSOCIATED WORKING WITH RECORDING OR REPRODUCING APPARATUS G11B 31/02 {G10F} |
| | 201 | Automatic musical instruments {G10F 1/00} |
| | 202 | Pianofortes with keyboard {G10F 1/02} |
| | 203 | Pianofortes which have no keyboard {G10F 1/04} |
| | 204 | Musical boxes with plucked teeth, blades, or the like {combinations with other articles, see the relevant classes for the articles} {G10F 1/06} |
| | 205 | Percussive musical instruments {G10F 1/08} |
| | 207 | Wind-actuated instruments {G10F 1/12} |
| | 209 | Stringed musical instruments {pianofortes subclass 202 and 203} {G10F 1/16} |
| | 212 | Combinations of two or more instruments {G10F 1/22} |
| | 213 | Independent players for keyboard instruments {G10F 3/00} |
| | 214 | Details of, or accesories for, automatic musical instruments {G10F 5/00} |
| | 250 | AIDS FOR MUSIC (METRONOMES G04F 5/02; TEACHING MUSIC G09B 15/00) {G10G} |
| | 251 | Means for the representation of music {G10G 1/00} |
| | 252 | Chord or note indicators, fixed or adjustable, for keyboard or fingerboards {G10G 1/02} |
| | 253 | Transposing, transcribing {G10G 1/04} |
| | 254 | Recording music in notation form, e.g., recording the mechanical operation of a musical instrument {performing, per se, B26F} {G10G 3/00} |
| | 257 | Supports for musical instruments {cellopins and components therefor subclass 111} {G10G 5/00} |
| | 258 | Other auxillary devices, e.g., separate holders for resin, strings, conductors batons, etc. {G10G 7/00} |
| | 300 | ELECTRONIC MUSICAL INSTRUMENTS {STRUCTURAL COMBINATIONS OF MICROPHONES, PICK-UPS, OR AMPLIFIERS WITH MUSICAL INSTRUMENTS SUBCLASSES 1+, 50+, AND 100+; INSTRUMENTS IN WHICH EACH NOTE IS GENERATED BY A DIFFERENT INDIVIDUALLY-ACTUATED MECHANICAL RESONATING STRUCTURE AND IS AMPLIFIED ELECTRICALLY SUBCLASSES 50+; INSTRUMENTS IN WHICH EACH NOTE IS PRODUCED BY A DIFFERENT ELECTRICALLY-VIBRATED SOUNDING ELEMENT SUBCLASSES 100+; ELECTRONIC CIRCUITS IN GENERAL H03. {G10H} |
| | 301 | Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {G10H 1/00} |
| | 302 | Associated control or indicating means {teaching of music, per se, {G09B 15/00} {G10H 1/00M} |
| | 303 | Recording/reproducing or transmission of music for electrophonic musical instruments {G10H 1/00R} |
| | 308 | Means for obtaining special acoustic effects {combined with modulation subclasses 311+} {G10H 1/00S} |
| | 310 | By additional modulation {G10H 1/04} |
| | 311 |  Continuous modulation {G10H 1/043} |
| | 312 |  By electromechanical means {G10H 1/045} |
| | 313 | By acousto-mechanical means, e.g., rotating speakers or sound deflectors, etc. {G10H 1/047} |
| | 314 | During execution only {voice controlled instruments subclass 388} {G10H 1/053} |
| | 315 | By switches incorporating a mechanical vibrator, the envelope of the mechanical vibration being used as modulating signal {G10H 1/053B} |
| | 316 | By switches with variable impedance elements {G10H 1/055} |
| | 317 |  Using variable capacitors {G10H 1/055C} |
| | 318 | Using optical or light-responsive means {G10H 1/055L} |
| | 319 | Using magnetic or electromagnetic means {G10H 1/055M} |
| | 320 | Using piezo-electric means {G10H 1/055P} |
| | 321 | Using variable resistors {G10H 1/055R} |
| | 322 | By envelope-forming circuits {G10H 1/057} |
| | 324 | Circuits for establishing the harmonic content of tones; other arrangements for changing the tone color {G10H 1/06} |
| | 325 | By combining tones {subclasses 325 and 326 take precedence} {chord subclass 347; Analysis or synthesis of sound waves, per se, G10L} {G10H 1/08} |
| | 326 | For obtaining chorus, celeste or ensemble effects {continuous modulation subclass 311} {G10H 1/10} |
| | 327 | By filtering complex wave forms {G10H 1/12} |
| | 328 | During execution {modulation during execution {subclass 315; Voice controlled instruments subclass 388} {G10H 1/14} |
| | 329 | By nonliner elements (generation of nonsinusosidal basic tones subclass 394) {G10H 1/16} |
| | 330 | Selecting circuits {G10H 1/18} |
| | 331 | Suppresion of switching-noise {G10H 1/18B} |
| | 332 | Key multiplexing {subclass 333 takes precedence} {G10H 1/18C} |
| | 333 | Channel-assigning means for polyphonic instruments {G10H 1/18D} |
| | 334 | Associated with key multiplexing {G10H 1/18D2} |
| | 336 | Using multiplexed channel processors {subclass 334 takes precedence} {G10H 1/18D3} |
| | 337 | With means to assign more than one channel to any single key {G10H 1/18D4} |
| | 338 | For transposition {G10H 1/20} |
| | 339 | For suppressing tones; Preference networks {G10H 1/22} |
| | 340 | For selecting plural preset register stops {G10H 1/24} |
| | 341 | For automatically producing a series of tones {G10H 1/26} |
| | 344 | Constructional details {G10H 1/32} |
| | 347 | Accompaniment arrangements {G10H 1/36} |
| | 348 | Chord {G10H 1/38} |
| | 349 | Chord detection and/or recognition, e.g., for correction, etc., or automatic bass generation {G10H 1/38B} |
| | 350 | One-finger or one-key chord systems {G10H 1/38C} |
| | 351 | Rhythm {metronomes G04F 5/02} {G10H 1/40} |
| | 353 | Tuning means {G10H 1/44} |
| | 354 | Volume control {G10H 1/46} |
| | 355 | Instruments in which the tones are generated by electromechanical means {G10H 3/00} |
| | 356 | Using mechanical interrupters {G10H 3/02} |
| | 357 | Using pick-up means for reading recorded waves, e.g., on rotating discs, drums, tapes, or wires, etc. {G10H 3/03} |
| | 358 | Using photoelectric pick-up means {G10H 3/06} |
| | 359 | Using inductive pick-up means {G10H 3/08} |
| | 361 | Using capacitative pick-up means {G10H 3/10} |
| | 363 | Using mechanically actuated vibrators with pick-up means {G10H 3/14} |
| | 364 | Characterized by the use of a piezo-electric or magneto-strictive transducer {piezo- electric or magneto-strictive transducers in general, e.g., microphones H04R 15/00, 17/00, etc.} {G10H 3/14B} |
| | 365 | Using a membrane, e.g., a drum, etc.; Pick-up means for vibrating surfaces, e.g, housing of an instrument, etc. {G10H 3/14D} |
| | 366 | Using a reed {G10H 3/16} |
| | 367 | Using a string, e.g., electric guitar, etc. {mechanical features subclass 107} {G10H 3/18} |
| | 368 | Details of pick-up assemblies {G10H 3/18B} |
| | 369 | Using two or more pick-up means for each string {G10H 3/18C} |
| | 370 | In which the postions of the pick-up means is adjustable {G10H 3/18D} |
| | 371 | In which the tones are picked up through the bridge structure {G10H 3/18E} |
| | 372 | Using a tuning fork, rod, or tube {G10H 3/20} |
| | 373 | Using electromechanically actuated vibrators with pick-up means {subclass 374 takes precedence} {G10H 3/22} |
| | 374 | Incorporating feed-back means, e.g., acoustic, etc. {G10H 3/24} |
| | 376 | Instruments in which the tones are generated by means of electronic generators {subclass 388 takes precedence} {G10H 5/00} |
| | 377 | Instruments using voltage controlled oscillators and amplifiers or voltage controlled oscillators or filters, e.g., synthesizers, etc. {G10H 5/00B} |
| | 378 | Voice controlled instruments {G10H 5/00C} |
| | 379 | Using generation of basic tones {G10H 5/02} |
| | 380 | With semiconductor devices as active elements {subclasses 384 and 385 take precedence} {G10H 5/04} |
| | 381 | Tones generated by frequency multiplication or division of a basic tone {G10H 5/06} |
| | 383 | Tones generated by heterodyning {G10H 5/08} |
| | 384 | Using generation of nonsinusoidal basic tones, e.g., saw-tooth, etc. {subclass 381 takes precedence} {G10H 5/10} |
| | 386 | Using electromechanical resonator, e.g., quartz crystal, as frequency determining element {subclasses 379 and 383 take precedence} {G10H 5/14} |
| | 387 | Using cathode ray tube {G10H 5/16} |
| | 388 | Instruments in which the tones are synthesized from a data store, e.g., computer organs,etc. {synthesis of acoustic waves not specific to musical instruments G10K 15/02, G10L} {G10H 7/00} |
| | 389 | Using a common processing for different operations or calculations, and a set of micro-instructions {programs} to control the sequence thereof {G10H 7/00C} |
| | 390 | Means for controlling the transition from one tone waveform to another {glissando or legato, per se, subclasses 309+} {G10H 7/00T} |
| | 391 | In which amplitudes at sucessive sample points of a tone waveform are stored in one or more memories {G10H 7/02} |
| | 392 | In which amplitudes are read at varying rates, e.g., according to pitch, etc. {G10H 7/04} |
| | 393 | Using an auxillary register or set of registers, e.g., a shift-register, etc., in which the amplitudes are transferred before being read, etc. {G10H 7/04B} |
| | 394 | In which amplitudes are read at a fixed rate, the read-out address varying stepwise by a given value, e.g., acoording to pitch, etc. {G10H 7/06} |
| | 395 | By calculating functions or polynomial approximations to evaluate amplitudes at sucessive sample points of a tone waveform {G10H 7/08} |
| | 396 | Using coefficients or parameters stored in a memory, e.g., Fourier coefficients, etc. {subclass 398 takes precedence} {G10H 7/10} |
| | 398 | 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 {G10H 7/12} |
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