Class   84	MUSIC
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1

INSTRUMENTS

600

. (1 indent ) Electrical musical tone generation

601

.. (2 indent ) Data storage

602

... (3 indent ) Digital memory circuit (e.g., RAM, ROM, etc.)

603

.... (4 indent ) Sampling (e.g., with A/D conversion)

604

.... (4 indent ) Waveform memory

605

....• (5 indent ) Read out at different rates

606

....• (5 indent ) Read out at fixed rate

607

....• (5 indent ) Recursive algorithm

608

.... (4 indent ) Fourier coefficient memory

609

.... (4 indent ) Note sequence

610

....• (5 indent ) Accompaniment

611

....•. (6 indent ) Rhythm

612

....•.. (7 indent ) Tempo control

613

....•. (6 indent ) Chords

614

....•. (6 indent ) Reiteration

615

.... (4 indent ) Selecting circuits

616

....• (5 indent ) Fundamental tone detection or extraction

617

....• (5 indent ) Multiplexing or scanning

618

....• (5 indent ) Priority or preference circuits

619

....• (5 indent ) Transposition

620

....• (5 indent ) Stops

621

.... (4 indent ) Noise reduction (e.g., error prevention, etc.)

622

.... (4 indent ) Tone synthesis or timbre control

623

....• (5 indent ) Time varying or dynamic Fourier components

624

....• (5 indent ) Modulation

625

....• (5 indent ) Mixing

626

.... (4 indent ) Expression or special effects (e.g., force or velocity responsive, etc.)

627

....• (5 indent ) Envelope shaping (i.e., attack, decay, sustain, or release)

628

....• (5 indent ) Portamento or glissando

629

....• (5 indent ) Vibrato or tremolo

630

....• (5 indent ) Reverberation

631

....• (5 indent ) Chorus, ensemble, or celeste

632

....• (5 indent ) Chiff or percussive transients

633

....• (5 indent ) Loudness control

634

.... (4 indent ) Accompaniment

635

....• (5 indent ) Rhythm

636

....•. (6 indent ) Tempo control

637

....• (5 indent ) Chords

638

....• (5 indent ) Arpeggio

639

... (3 indent ) Photoelectric

640

.... (4 indent ) Variable speed

641

... (3 indent ) Magnetic

642

.... (4 indent ) Tape

643

... (3 indent ) Capacitive

644

... (3 indent ) Constructional details

645

... (3 indent ) MIDI (musical instrument digital interface)

646

.. (2 indent ) Fret control

647

.. (2 indent ) Digital combinational circuit

648

... (3 indent ) With frequency multiplication or division

649

... (3 indent ) Note sequence

650

.... (4 indent ) Accompaniment (e.g., chords, etc.)

651

....• (5 indent ) Rhythm

652

....•. (6 indent ) Tempo control

653

... (3 indent ) Selecting circuits

654

.... (4 indent ) Fundamental tone detection or extraction

655

.... (4 indent ) Multiplexing or scanning

656

.... (4 indent ) Priority or preference circuits

657

.... (4 indent ) Transposition

658

.... (4 indent ) Force or velocity responsive

659

... (3 indent ) Tone synthesis or timbre control

660

.... (4 indent ) Mixing

661

.... (4 indent ) Filtering

662

... (3 indent ) Expression or special effects

663

.... (4 indent ) Envelope shaping (i.e., attack, decay, sustain, or release)

664

.... (4 indent ) Chorus, ensemble, or celeste

665

.... (4 indent ) Loudness control

666

... (3 indent ) Accompaniment

667

.... (4 indent ) Rhythm

668

....• (5 indent ) Tempo control

669

.... (4 indent ) Chords

670

... (3 indent ) Constructional details

671

.. (2 indent ) Electric analog oscillators

672

... (3 indent ) Variable frequency

673

.... (4 indent ) With variable filtering

674

.... (4 indent ) With space discharging means

675

... (3 indent ) With frequency multiplication or division

676

.... (4 indent ) With transistor

677

.... (4 indent ) With space discharging means

678

... (3 indent ) Selecting circuits

679

.... (4 indent ) With transistor

680

.... (4 indent ) With space discharging means

681

.... (4 indent ) Fundamental tone detection or extraction

682

.... (4 indent ) Multiplexing or scanning

683

.... (4 indent ) Noise reduction (e.g., error prevention, etc.)

684

.... (4 indent ) Priority or preference circuits

685

.... (4 indent ) Transposition

686

.... (4 indent ) Stops

687

.... (4 indent ) Force or velocity responsive

688

....• (5 indent ) With magnetic selector

689

....• (5 indent ) With capacitive selector

690

....• (5 indent ) With variable resistance selector

691

... (3 indent ) Noise reduction (e.g., error prevention, etc.)

692

... (3 indent ) Tone synthesis or timbre control

693

.... (4 indent ) Time varying or dynamic Fourier components

694

.... (4 indent ) Modulation

695

....• (5 indent ) Amplitude

696

....• (5 indent ) Angle (i.e., frequency or phase)

697

.... (4 indent ) Mixing

698

....• (5 indent ) Partials (i.e., harmonics)

699

.... (4 indent ) Filtering

700

....• (5 indent ) Variable

701

... (3 indent ) Expression or special effects

702

.... (4 indent ) Envelope shaping (e.g., attack, decay, sustain, or release, etc.)

703

....• (5 indent ) Attack and decay

704

.... (4 indent ) Portamento or glissando

705

.... (4 indent ) Tremolo

706

.... (4 indent ) Vibrato

707

.... (4 indent ) Reverberation

708

.... (4 indent ) Chorus, ensemble, or celeste

709

.... (4 indent ) Trill

710

.... (4 indent ) Chiff or percussive transients

711

.... (4 indent ) Loudness control

712

... (3 indent ) Accompaniment

713

.... (4 indent ) Rhythm

714

....• (5 indent ) Tempo control

715

.... (4 indent ) Chords

716

.... (4 indent ) Arpeggio

717

.... (4 indent ) Reiteration

718

... (3 indent ) Constructional details

719

.... (4 indent ) Keyboard

720

.... (4 indent ) Keyswitch structure

721

.... (4 indent ) Foot control

722

... (3 indent ) Fret control

723

.. (2 indent ) Transducers

724

... (3 indent ) Photoelectric

725

... (3 indent ) Electromagnetic

726

.... (4 indent ) String

727

....• (5 indent ) With adjustable means

728

....• (5 indent ) Noise reduction (e.g., error prevention, etc.)

729

.... (4 indent ) Reed

730

... (3 indent ) Piezoelectric

731

.... (4 indent ) String

732

.... (4 indent ) Reed

733

... (3 indent ) Capacitive

734

... (3 indent ) Strain gauge

735

... (3 indent ) Tone synthesis or timbre control

736

.... (4 indent ) Filtering

737

... (3 indent ) Expression or special effects

738

.... (4 indent ) Envelope shaping (e.g., attack, decay, sustain, or release, etc.)

739

.... (4 indent ) Tremolo

740

.... (4 indent ) Vibrato

741

.... (4 indent ) Loudness control

742

... (3 indent ) Selecting circuits

743

... (3 indent ) Constructional details

744

.... (4 indent ) Keyboard

745

.... (4 indent ) Keyswitch structure

746

.... (4 indent ) Foot control

. (1 indent ) Automatic

2

.. (2 indent ) Combined

3

.. (2 indent ) Electric

4

... (3 indent ) With phonograph

5

.... (4 indent ) Electrical connections

6

... (3 indent ) Pneumatic

7

.. (2 indent ) Stringed

8

... (3 indent ) With picking devices

9

.... (4 indent ) Electric

10

... (3 indent ) With bowing devices

11

.... (4 indent ) Electric

12

... (3 indent ) With striking devices

13

... (3 indent ) Pianos

14

.... (4 indent ) Without keys

15

....• (5 indent ) Half width

16

.... (4 indent ) Constant power

17

....• (5 indent ) Electric control

18

....•. (6 indent ) Key actuators

19

.... (4 indent ) Electric power

20

....• (5 indent ) Key actuators

21

....•. (6 indent ) With expression

22

....•.. (7 indent ) By voltage change

23

....• (5 indent ) With expression

24

.... (4 indent ) Pneumatic type

25

....• (5 indent ) Key actuators

26

....• (5 indent ) Grands

27

....•. (6 indent ) Connections to piano action

28

....• (5 indent ) Action above keyboard

29

....• (5 indent ) Action below keyboard

30

....• (5 indent ) Location of parts

31

....• (5 indent ) With double tracker

32

....•. (6 indent ) Double length

33

....• (5 indent ) Expression mechanism

34

....•. (6 indent ) Parts of piano moved

35

....•.. (7 indent ) Rest rail shifted

36

....•... (8 indent ) Normally in short stroke position

37

....•... (8 indent ) Position controlled from reservoir

38

....•... (8 indent ) Graduated shift

39

....•. (6 indent ) Wind pressure varied

40

....•.. (7 indent ) By pumping

41

....•.. (7 indent ) By throttling

42

....•.. (7 indent ) By regulating chamber

43

....•.. (7 indent ) By use of two pressures

44

....•. (6 indent ) Two cooperating pneumatics to each note

45

....•. (6 indent ) Two opposing pneumatics to each note

46

....•. (6 indent ) Transmission varied

47

....•. (6 indent ) Systematic variations

48

....•. (6 indent ) Pneumatic details

49

....•. (6 indent ) Hand controllers

50

....• (5 indent ) Pneumatic construction

51

....•. (6 indent ) Both primaries and secondaries

52

....•.. (7 indent ) Lower leaf moved

53

....•. (6 indent ) Lower leaf moved

54

....•. (6 indent ) Striker pneumatics in wind chest

55

....•. (6 indent ) Units

56

....•.. (7 indent ) Metal

57

....•. (6 indent ) Tubes and junctions

58

....•. (6 indent ) Bleeds

59

....•.. (7 indent ) With valve

60

....•. (6 indent ) Valves and seats

61

....•.. (7 indent ) Inside

62

....•.. (7 indent ) Outside

63

....•... (8 indent ) Adjustable

64

....•. (6 indent ) Screening and cleaning

65

....• (5 indent ) Power pneumatics

66

....•. (6 indent ) Connections to hammers

67

....•.. (7 indent ) To key

68

....•.. (7 indent ) To abstract

69

....•.. (7 indent ) To wippen

70

....• (5 indent ) Wind-supply devices

71

....•. (6 indent ) In grands

72

....•. (6 indent ) Pedals

73

....•.. (7 indent ) Folding

74

....•.. (7 indent ) With keylock

75

....•.. (7 indent ) With doors

76

....•... (8 indent ) Operating together

77

....•.... (9 indent ) Door-carried pedal

78

....•.... (9 indent ) Upper panel moved

79

....•. (6 indent ) Distribution

.... (4 indent ) Cases

80

....• (5 indent ) Key slips

81

....• (5 indent ) Upper panel

82

....• (5 indent ) Lower panel

83

.. (2 indent ) Wind

84

... (3 indent ) Organs

85

.... (4 indent ) Stop actions

86

.... (4 indent ) Cylinder

87

.... (4 indent ) Disk

88

.... (4 indent ) Electropneumatic action

89

.... (4 indent ) Pneumatic action

90

....• (5 indent ) With keys

91

....• (5 indent ) Pipe organ

92

... (3 indent ) Organettes

93

... (3 indent ) Mouth blown

94.1

.. (2 indent ) Combs

94.2

... (3 indent ) Combined

95.1

... (3 indent ) Cylinder type

95.2

.... (4 indent ) Combined

96

.... (4 indent ) Cylinder construction

97

... (3 indent ) Disk type

98

.... (4 indent ) With star wheels

99

.... (4 indent ) Multiple disks

100

.... (4 indent ) With phonograph spindle

101

... (3 indent ) Note-sheet type

102

.. (2 indent ) Bars

103

.. (2 indent ) Bells

104

.. (2 indent ) Drums

105

.. (2 indent ) Outside players

106

... (3 indent ) Cylinder or disk

107

... (3 indent ) Electric or electropneumatic

108

... (3 indent ) Cabinet type

109

.... (4 indent ) Case connectors

110

.... (4 indent ) Pneumatic

111

... (3 indent ) Striker details

112

... (3 indent ) Constant power

113

.... (4 indent ) Electric control

114

.... (4 indent ) Pneumatic control

115

.. (2 indent ) Selectors

116

... (3 indent ) Tracker-box location

117

... (3 indent ) Mechanical fingers

118

... (3 indent ) Plurality of sheets

119

.... (4 indent ) Synchronized

120

.... (4 indent ) Single tracker

121

... (3 indent ) Sheet not rolled

122

... (3 indent ) Winding and rewinding

123

.... (4 indent ) With electric features

124

.... (4 indent ) For two types of rolls

125

.... (4 indent ) Shifting gear and clutch

126

.... (4 indent ) Two clutches

127

.... (4 indent ) Gears

128

.... (4 indent ) Speed control

129

....• (5 indent ) Roller and disk or cone

130

....• (5 indent ) By wind supply

131

....• (5 indent ) Compensation for diameter

132

.... (4 indent ) Feeding

133

.... (4 indent ) Rewinding

134

.... (4 indent ) Brakes

135

.... (4 indent ) Sheet pressers

136

.... (4 indent ) Registration

137

....• (5 indent ) Movable detector at edge

138

....•. (6 indent ) Controlling shifter bellows

139

....•.. (7 indent ) Single detector

140

.... (4 indent ) Extra end holes

141

....• (5 indent ) Single end hole

142

.... (4 indent ) Extra center holes

143

.... (4 indent ) Flange shifted

144

.... (4 indent ) Hand operated

145

.... (4 indent ) Transposition only

146

... (3 indent ) Trackers and sheets

147

.... (4 indent ) Electric

148

.... (4 indent ) For organs

149

.... (4 indent ) Vertical

150

.... (4 indent ) Playing on wind and rewind

151

... (3 indent ) Trackers

152

.... (4 indent ) Double scale

153

....• (5 indent ) Trackers rigidly connected

154

....•. (6 indent ) Pivotally mounted

155

....•. (6 indent ) With slide valves

156

.... (4 indent ) Duct closers

157

.... (4 indent ) Modified for expression

158

.... (4 indent ) Metal

159

.... (4 indent ) Extensible

160

.... (4 indent ) Pneumato-electric

161

... (3 indent ) Note sheets

162

.... (4 indent ) Ends and joints

163

.... (4 indent ) Overlapping holes

164

.... (4 indent ) With expression and tempo marks

165

.... (4 indent ) With marks for voice

166

.... (4 indent ) With projections

167

.. (2 indent ) Key locks

168

.. (2 indent ) Couplers

169

.. (2 indent ) Indicators

170

. (1 indent ) Combined

171

.. (2 indent ) Electric

172

.. (2 indent ) Piano and organ

173

. (1 indent ) Stringed

174

.. (2 indent ) Pianos

175

... (3 indent ) Duplex

176

... (3 indent ) Separable

177

... (3 indent ) Cases

178

.... (4 indent ) Fall boards and desks

179

.... (4 indent ) Fall boards

180

.... (4 indent ) Music desks or racks

181

.... (4 indent ) Music receptacles

182

.... (4 indent ) Swells

183

.... (4 indent ) Protectors

184

... (3 indent ) Frames, string plate and sounding boards

185

... (3 indent ) Frames and string plates

186.1

... (3 indent ) Frames

186.2

.... (4 indent ) Wrest planks

187

... (3 indent ) String plates and sounding boards

188

... (3 indent ) String plates

189

... (3 indent ) Resonance devices

190

.... (4 indent ) Supports or platforms

191

.... (4 indent ) Insulators

192

.... (4 indent ) Sounding boards

193

....• (5 indent ) Materials

194

....• (5 indent ) Multiple

195

....• (5 indent ) Ribbing

196

....• (5 indent ) Crowning devices

197

... (3 indent ) Stringing

198

.... (4 indent ) Auxiliary strings

199

... (3 indent ) Strings

200

... (3 indent ) Tuning devices

201

.... (4 indent ) Simple pin

202

.... (4 indent ) Locking devices

203

....• (5 indent ) Involving two pins

204

.... (4 indent ) Worm gear

205

.... (4 indent ) Direct pull

206

.... (4 indent ) With push piece

207

.... (4 indent ) With lever

208

.... (4 indent ) Transverse pressure

209

... (3 indent ) Bridges

210

.... (4 indent ) Inverted

211

.... (4 indent ) Agraffes

212

.... (4 indent ) On sounding board

213

....• (5 indent ) With string holders

214

.... (4 indent ) String clamps or holders

215

.... (4 indent ) Depressing bars

216

... (3 indent ) Expression devices

217

.... (4 indent ) Dampers lifted

218

.... (4 indent ) Dampers held

219

.... (4 indent ) Pianissimo devices

220

....• (5 indent ) Curtain type

221

....• (5 indent ) Hammer stroke shortened

222

....•. (6 indent ) Lost-motion preventers

223

....•.. (7 indent ) In grand actions

224

.... (4 indent ) Auxiliary strikers

225

.... (4 indent ) Pedal mechanism

226

....• (5 indent ) Locks

227

....• (5 indent ) Spring fulcrum

228

....• (5 indent ) Bearings

229

....• (5 indent ) Pedals

230

....•. (6 indent ) Auxiliary

231

....•.. (7 indent ) Pedal carried

232

....•.. (7 indent ) With footrest

233

....• (5 indent ) Mouse guards

234

... (3 indent ) Harmonic dampers

235

... (3 indent ) Couplers

236

... (3 indent ) Hammers actions

237

.... (4 indent ) Horizontal

238

....• (5 indent ) Down striking

239

....• (5 indent ) Grand

240

.... (4 indent ) Upright

241

....• (5 indent ) Jack serving as retractor

242

....• (5 indent ) Standard type

243

.... (4 indent ) Details

244

....• (5 indent ) Power-operated hammers

245

....•. (6 indent ) Sostenuto

246

....•. (6 indent ) Electric striker

247

....• (5 indent ) Jack constantly controlled

248

....• (5 indent ) Inverted jack

249

....• (5 indent ) Jointed jack

250

....• (5 indent ) Action frames

251

....• (5 indent ) Flanges and joints

252

....•. (6 indent ) Continuous

253

....• (5 indent ) Checks

254

....• (5 indent ) Hammer heads

255

....• (5 indent ) Damper heads and stems

256

... (3 indent ) Bowed or violin pianos

257

.... (4 indent ) With belt bow

258

... (3 indent ) Plectrum

263

.. (2 indent ) Combined

264

.. (2 indent ) Harps

265

... (3 indent ) Bodies

266

... (3 indent ) Erard action

267

.. (2 indent ) Guitars

268

.. (2 indent ) Mandolins

269

.. (2 indent ) Banjos

270

... (3 indent ) Resonance devices

271

.... (4 indent ) Closed back

272

.... (4 indent ) Two rings

273

.... (4 indent ) Mutes

274

.. (2 indent ) Violins

275

... (3 indent ) Bodies

276

.... (4 indent ) Bass bars

277

.... (4 indent ) Sound posts

278

... (3 indent ) Combined chin rest and support

279

... (3 indent ) Chin rests

280

... (3 indent ) Supports

281

... (3 indent ) Positioning devices

282

... (3 indent ) Bows

283

... (3 indent ) Bow guides

284

.. (2 indent ) Dulcimers

285

.. (2 indent ) Zithers

286

... (3 indent ) Chord selectors

287

.... (4 indent ) Damper-bar type

288

....• (5 indent ) Dampers independent

289

.... (4 indent ) Guard-plate type

290

.. (2 indent ) Details

291

... (3 indent ) Bodies

292

.... (4 indent ) Metal

293

... (3 indent ) Necks

294

... (3 indent ) Resonance devices

295

.... (4 indent ) Auxiliary strings

296

.... (4 indent ) With diaphragm

297R

... (3 indent ) Strings and fastenings

298

.... (4 indent ) Guitar bridges

299

.... (4 indent ) Guitar bridges with tailpieces

300

.... (4 indent ) Banjo tailpieces

301

.... (4 indent ) Mandolin tailpieces

302

.... (4 indent ) Violin tailpieces

303

.... (4 indent ) Spools

304

.... (4 indent ) Tuning pegs

305

....• (5 indent ) Friction increasers

306

.... (4 indent ) Worm gear

297S

.... (4 indent ) Strings

307

... (3 indent ) Bridges

308

.... (4 indent ) Banjo

309

.... (4 indent ) Violin

310

.... (4 indent ) Violin mutes

311

....• (5 indent ) Attached

312R

... (3 indent ) Tunings

312P

.... (4 indent ) Pedal operated steel guitars

313

... (3 indent ) Tremolo devices

314R

... (3 indent ) Finger boards and frets

314N

.... (4 indent ) Nuts

315

... (3 indent ) Fingering devices

316

.... (4 indent ) For semitone

317

.... (4 indent ) For chords

318

....• (5 indent ) Capo tastos

319

.... (4 indent ) Stopping fingers or blocks

320

... (3 indent ) Picking devices

321

.... (4 indent ) Picks on reciprocating carriage

322

.... (4 indent ) Hand or finger picks

323

... (3 indent ) Hammer mechanism

324

.... (4 indent ) Spring-shank hammer

325

... (3 indent ) Bowing mechanism

326

.... (4 indent ) With keyboard

327

... (3 indent ) Instrument supports

328

... (3 indent ) Arm, hand, or finger rests

329

... (3 indent ) Article holders

330

. (1 indent ) Wind

331

.. (2 indent ) Pipe organs

332

... (3 indent ) Actions

333

.... (4 indent ) Stop chambers

334

.... (4 indent ) Single chamber

335

.... (4 indent ) Pneumatic details

336

....• (5 indent ) Membrane valve

337

.... (4 indent ) Electric

338

.... (4 indent ) Electropneumatic

339

....• (5 indent ) Details

.... (4 indent ) Couplers

340

....• (5 indent ) Pneumatic

341

....• (5 indent ) Electric

342

.... (4 indent ) Key valves

343

.... (4 indent ) Stop actions

344

....• (5 indent ) Combination

345

....•. (6 indent ) Adjustable

346

... (3 indent ) Swells

347

.... (4 indent ) Electropneumatic

348

... (3 indent ) Valve tremolos

349

... (3 indent ) Pipes

350

.... (4 indent ) Reed

351

.. (2 indent ) Reed organs

352

... (3 indent ) Cases

353

.... (4 indent ) Pedals

354

... (3 indent ) Folding

355

... (3 indent ) Wind-supply devices

356

.... (4 indent ) Pressure and exhaust

357

.... (4 indent ) Pedals

358

....• (5 indent ) Auxiliary

359

.... (4 indent ) Distribution

360

... (3 indent ) Reed boards

361

.... (4 indent ) With qualifying tubes

362

.... (4 indent ) With resonance chamber

363

... (3 indent ) Reeds

364

.... (4 indent ) With tuning means

365

... (3 indent ) Key actions

366

.... (4 indent ) Pedal

367

.... (4 indent ) Pneumatic

368

.... (4 indent ) Pallets

369

... (3 indent ) Stop actions

370

.... (4 indent ) Combination

371

.... (4 indent ) Celeste

372

... (3 indent ) Swells

373

... (3 indent ) Couplers

374

... (3 indent ) Fan tremolos

375

.. (2 indent ) Minor reed

376R

... (3 indent ) Accordions

376A

.... (4 indent ) Attachments, supports and locks

376EA

.... (4 indent ) Electronically amplified

376K

.... (4 indent ) Keys and keyboards

376SM

.... (4 indent ) Shift mechanisms

377

... (3 indent ) Harmonicas

378

.... (4 indent ) With resonance chambers

379

.... (4 indent ) Supports

380R

.. (2 indent ) Wood winds

381

... (3 indent ) Duplex

382

... (3 indent ) Clarinets

383R

.... (4 indent ) Mouthpieces

383A

....• (5 indent ) Reeds

384

... (3 indent ) Flutes

385R

... (3 indent ) Saxophones

385A

.... (4 indent ) Woodwind supports

385P

.... (4 indent ) Pads

386

... (3 indent ) Pitch-changing devices

380A

... (3 indent ) Double reed

380B

... (3 indent ) Bagpipes

380C

... (3 indent ) Edge tone

387R

.. (2 indent ) Brasses

388

... (3 indent ) Valve type

389

.... (4 indent ) With four valves

390

.... (4 indent ) Rotary movement

391

.... (4 indent ) Helical or sliding movement

392

.... (4 indent ) Piston details

393

.... (4 indent ) With substitute tubes

394

.... (4 indent ) Tuning devices

395

... (3 indent ) Trombones

396

.... (4 indent ) Tuning devices

397

... (3 indent ) Drainage

398

... (3 indent ) Mouthpieces

399

.... (4 indent ) Adjustable

400

... (3 indent ) Mutes

401

... (3 indent ) Tremolos

387A

... (3 indent ) Supports

402

. (1 indent ) Rigid vibrators

403

.. (2 indent ) Bars and supports

404

... (3 indent ) With strikers

405

... (3 indent ) With electric action

406

.. (2 indent ) Bells

407

... (3 indent ) With electric action

408

.. (2 indent ) Tongues

409

.. (2 indent ) Forks

410

.. (2 indent ) Resonators

411R

. (1 indent ) Drums

412

.. (2 indent ) Collapsible

413

.. (2 indent ) Cord tighteners

414

.. (2 indent ) Head material

415

.. (2 indent ) Snares

416

... (3 indent ) Material

417

... (3 indent ) Inside

418

.. (2 indent ) Tambourines

419

.. (2 indent ) Tympani

420

.. (2 indent ) Toy

421

.. (2 indent ) Supports

411A

.. (2 indent ) Unitension

411M

.. (2 indent ) Mutes

411P

.. (2 indent ) Practice Pads

422.1

. (1 indent ) Drum and cymbal beaters

422.2

.. (2 indent ) Combined

422.3

.. (2 indent ) Hi-hat

422.4

.. (2 indent ) Drumsticks

. (1 indent ) General features

423R

.. (2 indent ) Keyboards

424

... (3 indent ) Plurality of manuals

425

... (3 indent ) Auxiliary

426

.... (4 indent ) Pedal

427

... (3 indent ) Plurality of touch plates

428

.... (4 indent ) Whole-tone scale

429

... (3 indent ) Curved front

430

... (3 indent ) Key bottoms

431

.... (4 indent ) Folding

432

... (3 indent ) Key frames adjustable

433

... (3 indent ) Keys

434

.... (4 indent ) Fulcrums and guides

435

.... (4 indent ) Fulcrums

436

.... (4 indent ) Guides

437

.... (4 indent ) Plating

438

... (3 indent ) Manufacturing processes

439

... (3 indent ) Touch regulators

440

.... (4 indent ) Resistance

441

... (3 indent ) Key holders

423A

... (3 indent ) Uniform

423B

... (3 indent ) Button type

442

.. (2 indent ) Key selectors

443

.. (2 indent ) Chord players

444

... (3 indent ) Pedal operated

445

.. (2 indent ) Transposers

446

... (3 indent ) Auxiliary keyboard

447

... (3 indent ) Keyboard shifted

448

... (3 indent ) Intermediate parts shifted

449

... (3 indent ) Sounders shifted

450

.. (2 indent ) Solo attachments

451

.. (2 indent ) Special or enharmonic scales

452R

.. (2 indent ) Materials

452P

... (3 indent ) Plastic material

453

ACCESSORIES

454

. (1 indent ) Tuning devices

455

.. (2 indent ) Strings

456

.. (2 indent ) Pipes and reeds

457

.. (2 indent ) Forks

458

.. (2 indent ) Tools and machines

459

... (3 indent ) Tuning hammers

460

... (3 indent ) Felt pickers

461

. (1 indent ) Recording devices

462

.. (2 indent ) Electric

463

.. (2 indent ) Applying expression lines

464R

. (1 indent ) Producing color or light effects

464A

.. (2 indent ) Lights in Instrument

465

. (1 indent ) Exercising devices

466

.. (2 indent ) For singers

467

.. (2 indent ) For pianists

468

... (3 indent ) Attached to performer

469

... (3 indent ) Armrest rail

470R

. (1 indent ) Teaching devices

471R

.. (2 indent ) Charts or boards

472

... (3 indent ) Easel type

473

... (3 indent ) With transposing slide

474

... (3 indent ) With transposing dial

475

... (3 indent ) For transcribing

471SR

... (3 indent ) Slide rules

476

.. (2 indent ) Blocks

477R

.. (2 indent ) Indicators

478

... (3 indent ) For keyboard

479R

.... (4 indent ) Single position

480

....• (5 indent ) With transposing slide

481

....• (5 indent ) Plurality of cards

479A

....• (5 indent ) On keyboard

482

.... (4 indent ) Shiftable

483.1

... (3 indent ) Tune Sheets

483.2

.... (4 indent ) Notation systems

484

... (3 indent ) For tempo

485R

... (3 indent ) For fingering

485SR

.... (4 indent ) Slide rules

477B

... (3 indent ) Twirling and conducting batons

470P

.. (2 indent ) Phonograph recorders

486

. (1 indent ) Leaf turners

487

.. (2 indent ) Motor operated

488

.. (2 indent ) Gravity operated

489

.. (2 indent ) Hand and spring operated arms

.. (2 indent ) Spring-operated arms

490

... (3 indent ) Plurality of latches

491

.... (4 indent ) Fixed latches

492

.... (4 indent ) Plurality of releasers

493

....• (5 indent ) Latches and releasers pivoted

494

....•. (6 indent ) Integral

495

... (3 indent ) Single latch

496

.... (4 indent ) Fixed latch

497

.... (4 indent ) Sliding latch

498

.... (4 indent ) Escapement

499

....• (5 indent ) Air operated

500

.. (2 indent ) Single spring arm

501

... (3 indent ) Latch and releaser integral

502

.. (2 indent ) Player-operated arms

503

... (3 indent ) Plurality of actuators

504

.... (4 indent ) Plurality of finger pieces

505

....• (5 indent ) Actuators pivoted

506

....• (5 indent ) Actuators and finger pieces integral

507

.... (4 indent ) Single finger piece

... (3 indent ) Single actuator

508

.... (4 indent ) Progressive action

509

....• (5 indent ) Arms and actuator on different axes

510

....•. (6 indent ) With segmental gear

511

.... (4 indent ) Sliding actuator

512

....• (5 indent ) With segmental rack

513

.... (4 indent ) Repeating action

514

....• (5 indent ) Arms and actuator on different axes

515

....• (5 indent ) Sliding actuator

516

.. (2 indent ) Single arm

517

.. (2 indent ) Single transfer bar

518

... (3 indent ) With buckling devices

519

... (3 indent ) With suction devices

520

... (3 indent ) Leaves prepared

521

.... (4 indent ) With magnetic disks

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

PLURAL SPEAKERS

DIG2

PREFERENCE NETWORKS

DIG3

FOLDABLE; DETACHABLE; COLLAPSIBLE

DIG4

CHORUS; ENSEMBLE; CELESTE

DIG5

CHIFF

DIG6

CATHODE-RAY TUBE

DIG7

ELECTRIC KEY SWITCH STRUCTURE

DIG8

KEYED OSCILLATORS

DIG9

FILTERING

DIG10

FEEDBACK

DIG11

FREQUENCY DIVIDERS

DIG12

SIDE; RHYTHM AND PERCUSSION DEVICES

DIG13

GAS DISCHARGE TUBE

DIG14

HARMONICAS

DIG15

ACCORDIONS

DIG16

CRESCENDO

DIG17

CABINETS

DIG18

TUNING

DIG19

LIGHT SENSITIVE RESISTOR

DIG20

MONOPHONIC

DIG21

MECHANICAL RESONATOR

DIG22

CHORD ORGANS

DIG23

ELECTRONIC GATES FOR TONES

DIG24

PIEZOELECTRICAL TRANSDUCERS

DIG25

PEDAL CLAVIER

DIG26

REVERBERATION

DIG27

STEREO

DIG28

SERVICE MANUALS

DIG29

TAPE

DIG30

FRET CONTROL

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