Class   323	ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS
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201

INCLUDING A DYNAMOELECTRIC MACHINE

202

. (1 indent ) Balancer sets

203

. (1 indent ) With plural sets of slip rings or brushes

204

. (1 indent ) Condition responsive

205

FOR REACTIVE POWER CONTROL

206

. (1 indent ) Using saturable inductor

207

. (1 indent ) Using converter

208

. (1 indent ) Using impedance

209

.. (2 indent ) Switched impedance

210

... (3 indent ) Static switch

211

.... (4 indent ) Digitally controlled

212

FOR PHASE SHIFT OR CONTROL

213

. (1 indent ) By splitting and combining

214

. (1 indent ) Using saturable inductor

215

. (1 indent ) Using transformer

216

.. (2 indent ) With movable structure or winding

217

. (1 indent ) Using a three or more terminal semiconductive device

218

. (1 indent ) Using impedance

219

.. (2 indent ) In bridge

220

IN SHUNT WITH SOURCE OR LOAD

221

. (1 indent ) Photo responsive

222

. (1 indent ) Using choke and switch across source

223

. (1 indent ) Using a three or more terminal semiconductive device

224

.. (2 indent ) With additional series regulator

225

.. (2 indent ) Plural devices

226

.. (2 indent ) Linearly acting

227

. (1 indent ) Using electronic tube

228

.. (2 indent ) With additional series regulator

229

. (1 indent ) Using diode

230

.. (2 indent ) Inverse parallel

231

.. (2 indent ) Zener

232

. (1 indent ) Using inductor

233

. (1 indent ) Using impedance

234

OUTPUT LEVEL RESPONSIVE

235

. (1 indent ) Zero switching

236

.. (2 indent ) Nonelectrical condition sensing

237

. (1 indent ) Phase controlled switching using electronic tube or a three or more terminal semiconductive device

238

.. (2 indent ) With soft start

239

.. (2 indent ) Including single unidirectional element with bidirectional pass

240

.. (2 indent ) Including saturable inductor in trigger circuit

241

.. (2 indent ) With digital control

242

.. (2 indent ) Including ramp generator or controlled capacitor charging

243

... (3 indent ) As input to comparator

244

.. (2 indent ) With synchronization

245

.. (2 indent ) With nonelectrical condition sensing

246

.. (2 indent ) With plural condition sensing

247

. (1 indent ) Using a transformer or inductor as the final control device

248

.. (2 indent ) Ferroresonant

249

.. (2 indent ) Controllably saturable

250

... (3 indent ) With specific core structure (e.g., gap, aperture, slot, permanent magnet)

251

... (3 indent ) With plural power windings

252

.... (4 indent ) In bridge configuration or in bridge arm

253

.... (4 indent ) On different cores

254

... (3 indent ) With electronic tube or a three or more terminal semiconductive device in control circuit

255

.. (2 indent ) Having a variable length winding (e.g., tapped) as the final control device

256

... (3 indent ) With motor driven tap switch

257

.... (4 indent ) Including an electronic tube or a three or more terminal semiconductive device in control circuit

258

... (3 indent ) With electronic tube or a three or more terminal semiconductive device as tap switch

259

.. (2 indent ) Having a winding in series with the source and load (e.g., buck-boost)

260

... (3 indent ) With motor in control circuit

261

... (3 indent ) With saturable reactor in control circuit

262

... (3 indent ) Plural windngs in series

263

... (3 indent ) With electronic tube or a three or more terminal semiconductive device in control circuit

264

.. (2 indent ) Having movable structure or winding

265

. (1 indent ) Using a three or more terminal semiconductive device as the final control device

266

.. (2 indent ) Including pre or post regulation

267

.. (2 indent ) Including plural loads commonly controlled

268

.. (2 indent ) Including plural final control devices

269

... (3 indent ) Linearly acting parallel connected

270

... (3 indent ) Linearly acting series connected

271

... (3 indent ) Switched (e.g., on-off control)

272

.... (4 indent ) Parallel connected

273

.. (2 indent ) Linearly acting

274

... (3 indent ) With threshold detection

275

... (3 indent ) With plural condition sensing

276

.... (4 indent ) For protective system

277

....• (5 indent ) With current sensor

278

....•. (6 indent ) Having base-emitter of transistor coupled across sensor

279

.... (4 indent ) Including final control device parameter

280

... (3 indent ) With a specific feedback amplifier (e.g., integrator, summer)

281

... (3 indent ) With reference voltage circuitry

282

.. (2 indent ) Switched (e.g., switching regulators)

283

... (3 indent ) Digitally controlled

284

... (3 indent ) With threshold detection

285

... (3 indent ) With plural condition sensing

286

.... (4 indent ) Including filter sensing

287

....• (5 indent ) In flyback path

288

... (3 indent ) With ramp generator or controlled capacitor charging

289

... (3 indent ) With base drive control dissipation

290

... (3 indent ) With inductor in control circuit

291

. (1 indent ) Using an electronic tube as the final control device

292

.. (2 indent ) With a three or more terminal semiconductive device in control circuit

293

. (1 indent ) Using an impedance as the final control device

294

.. (2 indent ) Hall effect device, magnetoresistor or thermistor

295

.. (2 indent ) Pressure sensitive resistor

296

.. (2 indent ) Liquid contact resistor

297

.. (2 indent ) Plural selective resistors

298

.. (2 indent ) Variable resistor

299

INPUT LEVEL RESPONSIVE

300

. (1 indent ) Phase controlled switching using electronic tube or a three or more terminal semiconductive device

301

. (1 indent ) Using a transformer or inductor as the final control device

302

.. (2 indent ) Saturable

303

. (1 indent ) Using a linearly acting final control device

304

SELF-REGULATING (E.G., NONRETROACTIVE)

305

. (1 indent ) Using a transformer or inductor as the final control device

306

.. (2 indent ) Ferroresonant

307

... (3 indent ) With plural cores

308

... (3 indent ) With core having an air gap or magnetic shunt

309

.... (4 indent ) Including a ferrocapacitor across a tertiary winding

310

.. (2 indent ) Controllably saturable

311

. (1 indent ) Using a three or more terminal semiconductive device as the final control device

312

.. (2 indent ) For current stabilization

313

... (3 indent ) To derive a voltage reference (e.g., band gap regulator)

314

.... (4 indent ) With additional stage

315

... (3 indent ) Including parallel paths (e.g., current mirror)

316

.... (4 indent ) With amplifier connected to or between current paths

317

.... (4 indent ) With switched final control device

318

EXTERNAL OR OPERATOR CONTROLLED

319

. (1 indent ) Zero switching

320

. (1 indent ) Phase controlled switching using electronic tube or a three or more terminal semiconductive device

321

.. (2 indent ) With soft start

322

.. (2 indent ) With digital control

323

.. (2 indent ) With interval timer

324

.. (2 indent ) Using single unidirectional element with bidirectional pass

325

.. (2 indent ) With a three or more terminal semiconductive device in trigger circuit

326

... (3 indent ) Including ramp generator or controlled capacitor charging

327

.. (2 indent ) With passive element only in trigger circuit

328

. (1 indent ) Using a transformer or inductor as the final control device

329

.. (2 indent ) Controllably saturable

330

... (3 indent ) With permanent magnet

331

... (3 indent ) With core having a gap, aperture, or slot

332

... (3 indent ) With plural power windings

333

.... (4 indent ) In bridge configuration or in bridge arm

334

.... (4 indent ) On different legs of single core

335

.... (4 indent ) On different cores

336

....• (5 indent ) Multistage

337

....• (5 indent ) Push-pull

338

... (3 indent ) With plural cores

339

... (3 indent ) Including an electronic tube or a three or more terminal semiconductive device in control circuit

340

.. (2 indent ) Having a variable length winding (e.g., tapped) as the final control device

341

... (3 indent ) With motor driven tap switch

342

... (3 indent ) With other transformer

343

... (3 indent ) With a three or more terminal semiconductive device

344

.. (2 indent ) Having a windng in series with the source and load (e.g., buck-boost)

345

.. (2 indent ) Having a switch in series with winding

346

.. (2 indent ) Having series-parallel connectable windings

347

.. (2 indent ) Having movable structure or winding

348

... (3 indent ) Including rotary motion

349

. (1 indent ) Using a three or more terminal semiconductive device as the final control device

350

.. (2 indent ) Including plural final control devices

351

.. (2 indent ) Switched (e.g., switching regulators)

352

. (1 indent ) Using an impedance as the final control device

353

.. (2 indent ) Resistor

354

... (3 indent ) Selective

355

INCLUDING A TRANSFORMER OR AN INDUCTOR

356

. (1 indent ) With compensation

357

.. (2 indent ) For current transformer

358

. (1 indent ) Current transformer

359

. (1 indent ) Potential transformer

360

. (1 indent ) Superconductive

361

. (1 indent ) Polyphase or plural transformers

362

. (1 indent ) With core having permanent magnet or air gap

363

. (1 indent ) Inductor with or in a bridge

364

INCLUDING AN IMPEDANCE

365

. (1 indent ) In a bridge

366

.. (2 indent ) Thermistor

367

.. (2 indent ) Resistor only

368

. (1 indent ) Hall effect device or magnetoresistor

369

. (1 indent ) Thermistor or resistor

370

.. (2 indent ) With capacitor

371

MISCELLANEOUS

	CROSS-REFERENCE ART COLLECTIONS

901

STARTING CIRCUITS

902

OPTICAL COUPLING TO SEMICONDUCTOR

903

PRECIPITATORS

904

TOUCH SYSTEMS

905

LAMP DIMMER STRUCTURE

906

SOLAR CELL SYSTEMS

907

TEMPERATURE COMPENSATION OF SEMICONDUCTOR

908

INRUSH CURRENT LIMITERS

909

REMOTE SENSING

910

TWO OF THREE PHASES REGULATED

911

MEDICAL ELECTRONICS

	FOREIGN ART COLLECTIONS

FOR000

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