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Class Information
Number: 327
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems >
Description: This is the residual class for electrical devices, circuits or systems having an output not directly proportional to its input and comprising at least one component which can provide gain or can route electrical current and which device, circuit or system does not form a complete system such as is classified specifically elsewhere or a subcombination of utility only in such elsewhere classified system.










Class Number Class Name No. of Patents
327/509

External effect

130
327/514

Light

595
327/515

Elements forming an array

143
327/510

Magnetic

112
327/511

Utilizing hall effect

142
327/517

Responsive to proximity or touch

102
327/512

Temperature

576
327/513

With compensation for temperature fluctuations

861
327/516

Utilizing conversion of mechanical variations into electrical variations (e.g., vibration sensitive, etc.)

44
327/365

Gating (i.e., switching input to output)

248
327/374

Accelerating switching

283
327/375

Saturation prevention

76
327/377

Turn-off

149
327/376

Turn-on

106
327/378

Compensation for variations in external physical values (e.g., temperature, etc.)

184
327/407

Converging with plural inputs and single output

537
327/411

Bipolar transistor

67
327/412

Push-pull circuit

19
327/413

With complementary transistor devices

10
327/414

Electron tube

20
327/408

Field-effect transistor

303
327/409

Push-pull circuit

39
327/410

With complementary transistor devices

50
327/392

Delay controlled switch (e.g., fixed, single time of delay control, etc.)

124
327/398

For predetermined time period

62
327/402

Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.)

22
327/400

Propagation through plural delay devices or paths

32
327/399

With field-effect device

76
327/401

With plural switching elements (e.g., sequential, etc.)

43
327/393

With variable or multiple adjustable time of delay control (e.g., variable charge-discharge, on-delay/off-delay control, etc.)

119
327/397

Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.)

19
327/395

Propagation through plural delay devices or paths

46
327/394

With field-effect device

61
327/396

With plural switching elements (e.g., sequential, etc.)

37
327/415

Diverging with single input and plural outputs

105
327/417

Bipolar transistor

19
327/418

Electron tube

7
327/416

Field-effect transistor

43
327/403

Parallel controlled paths

225
327/405

Bipolar transistor

47
327/406

Electron tube

1
327/404

Field-effect transistor

216
327/379

Signal transmission integrity or spurious noise override

402
327/387

Control signal derived from or responsive to input signal

162
327/388

Additional external control signal

32
327/383

Ensuring fully conducting state

26
327/389

Insulated gate fet (e.g., mosfet, etc.)

227
327/391

Complementary metal-oxide semiconductor (cmos)

227
327/390

With capacitive bootstrapping

323
327/382

Parasitic prevention or compensation (e.g., parasitic capacitance, etc.)

161
327/380

Preventing quick rise gating current (i.e., di/dt)

85
327/381

Preventing quick rise gating voltage (i.e., dv/dt)

83
327/384

Switch noise signal

202
327/385

Contact bounce from mechanical switch

41
327/386

With clock input

25
327/366

Superconductive (e.g., cryogenic, etc.) device

45
327/368

Critical current control

9
327/369

External control (e.g., piezoelectric, light, etc.)

11
327/370

Magnetic field control

10
327/371

Temperature control

13
327/372

Inductive effect

8
327/367

Josephson junction

57
327/373

Layout

6
327/506

Three or more electrode electron tube

3
327/507

Two electrode electron tube

1
327/508

Bridge circuit

8
327/419

Utilizing three or more electrode solid-state device

59
327/425

Bilateral transistor

16
327/426

Plural

4
327/478

Bipolar transistor

146
327/482

Plural

202
327/487

Control circuit in cascade

31
327/488

Control circuit in totem pole

10
327/492

Control circuit with common collector

10
327/489

Control circuit with common emitter

24
327/490

With current mirror

29
327/491

With emitter follower

31
327/483

Darlington connection

124
327/484

Opposite conductively (i.e., complementary)

143
327/485

Control circuit in cascade

15
327/486

Control circuit in totem pole

5
327/479

Special four or more electrode device (e.g., multiple bases, three electrode bipolar with fet gate, etc.)

21
327/481

Multiple collector transistor

38
327/480

Multiple emitter transistor

30
327/420

Breakdown characteristic (e.g., punch-through, tunneling, etc.)

10
327/422

Avalanche

7
327/421

Zener

48
327/423

Bridge circuit

146
327/424

Field-effect transistor

102
327/427

Field-effect transistor

993
327/429

Four or more electrode solid-state device

26
327/434

Insulated gate fet (e.g., mosfet, etc.)

597
327/437

Complementary metal-oxide semiconductor (cmos)

385
327/435

Gaas

26
327/436

Plural devices in series

142
327/430

Jfet (i.e., junction field-effect transistor)

93
327/431

Mesfet (i.e., metal semiconductor field-effect transistor)

39
327/432

With bipolar transistor

307
327/433

Bi-cmos

72
327/428

With silicon controlled rectifier (scr)

45
327/438

Four or more layer device (e.g., thyristor, etc.)

136
327/447

Ac supply

33
327/448

Device in bridge

24
327/450

Four electrodes

14
327/464

Having plural four or more layer devices

17
327/449

Put (i.e., programmable unijunction transistor)

8
327/453

Silicon controlled rectifier (scr)

29
327/460

Plural scr`s

43
327/461

Inverse parallel connection

38
327/462

With bipolar transistor

6
327/455

Triac

58
327/457

Combined with diac

20
327/458

Combined with diverse four or more layer device

16
327/456

Plural

45
327/459

With bipolar transistor

33
327/463

With bipolar transistor

36
327/454

With unijunction transistor

5
327/451

Zero point switching

66
327/452

With triac

38
327/439

Bipolar transistor circuit configuring scr device

53
327/444

Complex wave supply

3
327/445

Silicon controlled rectifier (scr)

10
327/446

Triac

10
327/465

Dc supply

33
327/467

Four electrodes

13
327/470

Plural devices

33
327/473

Parallel connection

30
327/471

Series anode-cathode connection

30
327/472

Plural paths

12
327/474

With bipolar transistor

31
327/466

Put (i.e., programmable unijunction transistor)

4
327/475

Scr and bipolar transistor

66
327/468

Scr and unijunction transistor

5
327/469

Triac

14
327/440

Gto (i.e., gate turnoff)

114
327/441

Plural or combined with other four or more layer device

31
327/442

Separate on and off control circuit

42
327/443

Transformer or inductor in control circuit

40
327/476

Triac

44
327/477

Unijunction transistor (ujt)

2
327/493

Utilizing two electrode solid-state device

58
327/502

Breakdown characteristic (e.g., zener diode, etc.)

117
327/494

Bridge circuit

87
327/497

Active element in diagonal arm

10
327/495

Combined with diverse device in at least one arm

1
327/496

Plural

16
327/498

Negative resistance

11
327/499

"n"-shape curve on i-v plot (e.g., tunnel diode type, etc.)

7
327/500

"s"-shape curve on i-v plot (e.g., pnpn diode type, etc.)

1
327/501

Hyperconductive diode

0
327/503

Pin diode

22
327/504

Pn junction diode

27
327/505

Inverse parallel connection

6
327/603

Miscellaneous

39
327/100

Signal converting, shaping, or generating

620
327/306

Amplitude control

456
327/307

Baseline or dc offset correction

536
327/309

By limiting, clipping, or clamping

549
327/324

By using diverse-type nonlinear devices

58
327/317

Distortion compensation

130
327/323

Feedback

116
327/318

In input or output circuit

174
327/321

Clamping of output to voltage level

204
327/319

For interstage coupling

111
327/320

Using diode

76
327/322

Of output current

89
327/315

Providing constant input/output amplitude level ratio

47
327/316

By feedback control

51
327/310

Transient or signal noise reduction

398
327/312

By feedback limiting-clamping

160
327/311

By filtering

148
327/313

Using 3 or more terminal type nonlinear devices only

177
327/314

Using diode type nonlinear devices only

106
327/325

Using only diode active elements

74
327/326

Avalanche or negative resistance device (e.g., zener diode, tunnel diode, etc.)

51
327/327

Using only transistor active elements

114
327/328

Field-effect type device

171
327/330

With rectifier or nonlinear impedance

76
327/329

With tuned circuit

13
327/333

Interstage coupling (e.g., level shift, etc.)

1458
327/331

Maintaining constant level output

94
327/332

With feedback

89
327/308

Variable attenuator

292
327/124

By periodic switching (e.g., chopper, etc.)

183
327/291

Clock or pulse waveform generating

1160
327/292

Clock fault compensation or redundant clocks

394
327/295

Plural outputs

592
327/297

Clock bus

140
327/296

Plural clock outputs with multiple inputs

142
327/298

Single clock output with multiple inputs

431
327/299

Single clock output with single clock input or data input

374
327/301

With electron beam type tube

14
327/305

With gas tube

4
327/304

With inductive device (e.g., transformer, etc.)

65
327/293

With plural paths in network

289
327/294

With common output

242
327/303

With rectifier

32
327/300

With saturable inductance

8
327/302

With storage diode

2
327/101

Converting input current or voltage to output frequency

156
327/102

Converting input frequency to output current or voltage

122
327/103

Converting input voltage to output current or vice versa

400
327/104

Converting, per se, of an ac input to corresponding dc at an unloaded output

132
327/108

Current driver

2633
327/111

Having capacitive load

274
327/112

Push-pull

1227
327/110

Having inductive load (e.g., coil, etc.)

510
327/109

Having semiconductive load

630
327/182

Delay line or capacitor storage element charged or discharged through or by a relaxation oscillator type circuit to form pulse

40
327/183

Delay line or capacitor storage element charges or discharges through a tube to form pulse

47
327/181

Electromagnetic pulse forming

84
327/113

Frequency or repetition rate conversion or control

569
327/117

Frequency division

490
327/118

Having discrete active device (e.g., transistor, triode, etc.)

88
327/119

Frequency multiplication (e.g., harmonic generation, etc.)

269
327/122

Doubling

133
327/123

With particular tube or distributed parameter element

14
327/120

With plural outputs

35
327/121

Selective

29
327/114

Of output rectangular waveform

234
327/115

Frequency division

570
327/116

Frequency multiplication

328
327/125

Generating parabolic or hyperbolic output

20
327/164

Generating rectangular (e.g., clock, etc.) or pulse waveform having random characteristic (e.g., random width, etc.)

122
327/131

Generating sawtooth or triangular output

226
327/135

Having digital element

51
327/137

Having feedback

63
327/139

Having inductive load

11
327/136

Having particular delay or sync

41
327/138

Having temperature compensation

17
327/140

With amplitude control

57
327/132

With current source or current mirror

123
327/133

With distortion control (e.g., linearization, etc.)

56
327/134

With slope or duration control

140
327/129

Generating sinusoidal output

141
327/126

Generating staircase output

70
327/127

With differential amplifier

21
327/128

With rectifying element

5
327/130

Generating trapezoidal output

43
327/261

Having specific delay in producing output waveform

555
327/263

Delay interval set by rising or falling edge

250
327/264

Having specific active circuit element or structure (e.g., fet, complementary transistors, etc.)

162
327/266

Differential amplifier

73
327/267

Electron tube

5
327/265

With counter

68
327/268

Having specific passive circuit element or structure (e.g., rlc circuit, etc.)

25
327/285

Having specific active circuit element or structure (e.g., complementary transistors, etc.)

132
327/287

Differential amplifier

92
327/289

Electron tube

1
327/288

Field-effect transistor

157
327/286

With counter

57
327/290

Having specific passive circuit element or structure (e.g., rlc circuit, etc.)

37
327/284

Including delay line or charge transfer device

300
327/262

Including significant compensation (e.g., temperature compensated delay, etc.)

254
327/269

Multiple outputs with plurality of delay intervals

209
327/272

Having specific active circuit element or structure(e.g., fet, complementary transistors, etc.)

70
327/274

Differential amplifier

65
327/275

Electron tube

0
327/273

With counter

55
327/271

Including delay line or charge transfer device

149
327/270

Variable or adjustable

243
327/276

Single output with variable or selectable delay

564
327/278

Having specific active circuit element or structure (e.g., complementary transistors, etc.)

216
327/280

Differential amplifier

111
327/282

Electron tube

2
327/281

Field-effect transistor

164
327/279

With counter

73
327/283

Having specific passive circuit element or structure (e.g., rlc circuit, etc.)

41
327/277

Including delay line or charge transfer device

332
327/171

Output pulses having opposite polarities

79
327/185

Particular stable state circuit (e.g., tristable, etc.)

98
327/199

Circuit having only two stable states (i.e., bistable)

314
327/214

Complementary transistors

79
327/200

Dynamic bistable

154
327/201

Complementary clock inputs

99
327/215

Having at least two cross-coupling paths

214
327/218

D type input

429
327/216

Jk type input

28
327/219

Particular device at input, output, or in cross-coupling path

79
327/221

Parallel rc network in cross-coupling path

3
327/222

Resistor in cross-coupling path

9
327/220

With diode

16
327/217

Rs or rst type input

182
327/207

Including diverse solid state devices (e.g., fet/bipolar, etc.)

24
327/208

Including field-effect transistor

549
327/210

Cmos

177
327/211

With clock input

247
327/209

Including enhancement and depletion devices

20
327/212

With clock input

251
327/213

Plural independent clock inputs (i.e., non complementary )

48
327/202

Master-slave bistable latch

506
327/203

Including field-effect transistor

363
327/204

Including multi-emitter or multi-collector bipolar transistor

34
327/223

Plural transistors of same conductivity type

40
327/205

Using hysteresis (e.g., schmitt trigger, etc.)

319
327/206

Including field-effect transistor

236
327/225

With logic element (e.g., nor gate, etc.)

122
327/226

With single electron tube

0
327/224

With single semiconductor device

8
327/197

Convertible circuit (e.g., bistable to monostable, d-type to t-type, etc.)

45
327/187

External effect device (e.g., light, heat, magnetic, or mechanical force sensitive devices, etc.)

48
327/198

Initializing, resetting, or protecting a steady state condition

811
327/188

Minority carrier storage effect

14
327/189

Storage diode (e.g., step recovery, etc.)

7
327/227

Monostable

148
327/228

Having cross-coupled paths

16
327/229

Having differential circuitry

19
327/230

With external feedback (i.e., output to input)

24
327/195

Negative resistance diode having "n"-shape characteristic on i-v plot (e.g., tunnel diode, backward diode, etc.)

26
327/196

Negative resistance diode having "s"-shape characteristic on i-v plot (e.g., four or more layer semiconductor device, etc.)

6
327/192

Negative resistance transistor (e.g., unijunction, etc.)

11
327/193

Four or more layer device, (e.g., trigistor, etc.)

10
327/186

Superconductive (e.g., cryogenic, etc.)

53
327/190

With transformer or saturable core device

40
327/191

Blocking oscillator

13
327/194

Zener or capacitive diode

7
327/231

Phase shift by less than period of input

407
327/233

Correction to specific phase shift

107
327/236

By phase comparator or detector

110
327/235

Dependent on multiple fixed phase shifts

45
327/234

Dependent on variable controlled phase shifts

61
327/232

Dependent on frequency

32
327/258

Multiple outputs

156
327/259

Non-overlapping

129
327/256

Phase inversion (i.e., 180 degrees between input and output)

92
327/257

Multiple outputs

54
327/260

Producing ac power control

13
327/254

Quadrature related (i.e., 90 degrees)

121
327/255

90 degrees between input and output

45
327/237

Variable or adjustable

259
327/240

Maintaining invariant amplitude

9
327/239

Non-overlapping multiple outputs

65
327/238

Quadrature related (i.e., 90 degrees)

92
327/250

With active time delay element

68
327/251

Having multiple outputs

36
327/248

With adder

50
327/249

Having multiple outputs

3
327/241

With counter or shift register

94
327/242

Having multiple outputs

19
327/246

With differential amplifier

62
327/247

Having multiple outputs

29
327/243

With feedback

56
327/245

Having multiple outputs

28
327/244

With phase comparator or detector

129
327/252

With passive time delay element

23
327/253

Having multiple outputs

10
327/178

Rectangular (e.g., clock, etc.) or pulse waveform amplitude control

107
327/179

Gain

47
327/180

Limiting, clipping, or clamping

61
327/184

Rectangular (e.g., clock, etc.) or pulse waveform generating by conversion from input ac (e.g., sine, etc.) wave

80
327/172

Rectangular (e.g., clock, etc.) or pulse waveform width control

881
327/175

Duty cycle control

897
327/176

Having digital device (e.g., logic gate, flip-flop, etc.)

387
327/177

Having inductive device (e.g., transformer, etc.)

27
327/174

Pulse broadening

119
327/173

Pulse narrowing

93
327/165

Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform

258
327/166

Having digital device (e.g., logic gate, flip-flop, etc.)

216
327/168

Having inductive device (e.g., transformer, etc.)

19
327/169

Having negative resistance device (e.g., tunnel diode, etc.)

8
327/167

Having network providing particular mathematical function (e.g., integrator, etc.)

32
327/170

Slope control of leading or trailing edge of rectangular (e.g., clock, etc.) or pulse waveform

800
327/141

Synchronizing

1051
327/162

Having reference source

175
327/163

By phase

211
327/142

Reset (e.g., initializing, starting, stopping, etc.)

508
327/143

Responsive to power supply

1030
327/144

Using multiple clocks

436
327/145

Having different frequencies

185
327/152

With choice between multiple delayed clocks

191
327/151

With counter

152
327/153

With delay means

295
327/146

With feedback

137
327/147

Phase lock loop

972
327/148

With charge pump

349
327/150

With digital element

217
327/149

With variable delay means

753
327/160

With counter

432
327/161

With delay means

942
327/155

With feedback

227
327/156

Phase lock loop

2442
327/157

With charge pump

1037
327/159

With digital element

972
327/158

With variable delay means

1714
327/154

With feedforward

89
327/105

Synthesizer

551
327/107

Having digital device (e.g., logic gate, flip-flop, etc.)

337
327/106

Having stored waveform data (e.g., in rom, etc.)

227
327/524

Specific identifiable device, circuit, or system

104
327/525

Fusible link or intentional destruct circuit

627
327/596

Including oscillatory or shock-excited circuit

18
327/564

Integrated structure

294
327/565

With specific layout or layout interconnections

458
327/566

Having field-effect transistor device

413
327/568

Negative resistance type

29
327/570

Having "n"-shape curve on i-v plot (e.g., tunnel diode type, etc.)

27
327/571

Having "s"-shape curve on i-v plot (e.g., pnpn diode type, etc.)

5
327/572

Secondary emissive type

2
327/573

Electron multiplier type

10
327/569

Unijunction transistor

4
327/560

Nonlinear amplifying circuit

191
327/563

With differential amplifier

545
327/561

With operational amplifier

205
327/562

With field-effect transistor

124
327/526

Redundant

180
327/527

Superconductive (e.g., cryogenic, etc.) device

151
327/529

Impact ionization

6
327/528

Josephson junction

113
327/567

Thin film

32
327/591

Tube performs plural functions

1
327/551

Unwanted signal suppression

457
327/552

Active filter

1102
327/553

Adjustable

469
327/555

Selective type signal filtering (e.g., from low pass to high pass, etc.)

48
327/554

Switched capacitor filter

360
327/557

Bandpass

189
327/559

Highpass

101
327/558

Lowpass

335
327/556

Notch or bandreject

81
327/574

Utilizing a three or more electrode solid-state device

100
327/576

Complementary transistors

101
327/575

Darlington connection

106
327/581

Field-effect transistor

446
327/582

Four or more layer device (e.g., silicon-controlled rectifier, etc.)

59
327/579

Minority carrier storage

90
327/578

Multiple collector transistor

50
327/577

Multiple emitter transistor

36
327/580

Transistor breakdown device (e.g., avalanche, zener, punch through, etc.)

20
327/583

Utilizing two electrode solid-state device

76
327/584

Breakdown diode (e.g., zener diode, avalanche diode, etc.)

67
327/587

Bridge circuit

50
327/586

Capacitive diode

41
327/585

Minority carrier storage diode (e.g., enhancement diode, etc.)

7
327/589

With bootstrap circuit

354
327/588

With bridge circuit

96
327/593

With distributed parameter circuit

6
327/592

With oscillation prevention

7
327/595

With particular connecting

56
327/594

With particular coupling or decoupling

65
327/590

With particular feedback

31
327/597

With particular grid control

4
327/598

With particular tube structure

1
327/601

Gas tube

2
327/602

With particular electrode arrangement

3
327/599

Vacuum tube type

4
327/600

Beam tube structure

7
327/530

With specific source of supply or bias voltage

875
327/531

Fluctuating or ac source with rectifier or filter

79
327/533

With battery connected across rectifier

9
327/532

With particular filter circuit

48
327/534

Having particular substrate biasing

908
327/535

Having stabilized bias or power supply level

672
327/536

Charge pump details

1680
327/537

With field-effect transistor

932
327/545

Including signal protection or bias preservation

295
327/546

With field-effect transistor

387
327/544

Power conservation or pulse type

705
327/538

Stabilized (e.g., compensated, regulated, maintained, etc.)

1472
327/539

Using bandgap

569
327/543

Using field-effect transistor

1048
327/542

With diverse type transistor devices

180
327/540

With voltage source regulating

981
327/541

With field-effect transistor

1025
327/549

With hum or interaction prevention

8
327/548

With oscillator or interrupter

42
327/550

With particular filament heating circuit

16
327/547

With selectively or alternately dc or ac input

22
327/334

Specific input to output function

171
327/354

Absolute value

30
327/335

By differentiating

61
327/336

By integrating

252
327/345

Having feedback

105
327/337

Having switched capacitance

361
327/344

Including rc circuit

92
327/340

Single vacuum tube

3
327/341

With compensation

63
327/343

With rectifier circuit

20
327/339

With summing or counting

44
327/338

With thermionic tube

2
327/342

With transducer

35
327/355

Combining of plural signals

400
327/356

Product

319
327/359

Differential amplifier

400
327/358

Having feedback

48
327/357

Quadrant

101
327/360

Quotient

62
327/361

Summing

211
327/346

Exponential

78
327/349

Square function

83
327/347

Square root

34
327/348

Rms

54
327/363

Having feedback

52
327/350

Logarithmic

201
327/351

With cascade network

58
327/352

With summing

65
327/353

With vacuum tube

0
327/362

With compensation

432
327/364

With vacuum tube

3
327/1

Specific signal discriminating (e.g., comparing, selecting, etc.) without subsequent control

104
327/50

By amplitude

358
327/63

Comparison between plural varying inputs

455
327/65

Differential input

792
327/66

Current mirror

219
327/67

Having feedback

192
327/68

Input provides varying reference signal

147
327/71

Three or more inputs

65
327/64

With logic or bistable circuit

101
327/69

With plural paths

128
327/70

With single output

83
327/90

Comparison between two characteristics of an input signal

63
327/91

Including details of sampling or holding

579
327/94

Sample and hold

568
327/95

Having feedback

158
327/96

With differential amplifier

190
327/92

With bridge circuit

45
327/93

With reference source

83
327/74

Input signal compared to plural fixed references

346
327/75

Three or more

112
327/76

With logic or bistable circuit

139
327/72

Input signal compared to reference derived therefrom

414
327/73

Reference derived by feedback

335
327/77

Input signal compared to single fixed reference

786
327/87

Having feedback

114
327/85

Inverting input or output

32
327/82

Plural sources of input signal

52
327/80

Reference determined by threshold of single circuit element

131
327/81

With transistor

139
327/78

Reference level crossover detecting

319
327/79

Zero crossover

109
327/83

Temperature compensation

82
327/84

With bridge circuit

8
327/89

With differential amplifier

240
327/88

With source as reference

51
327/86

With transformer

8
327/58

Maximum or minimum amplitude

410
327/61

By diode-capacitor network

45
327/59

Employing input compared to output

62
327/60

Employing input compared to reference derived therefrom

71
327/62

Maximum and minimum amplitude

138
327/97

With logic or bistable circuit

111
327/51

With sensing amplifier

638
327/52

Differential amplifier

544
327/53

Current mirror

238
327/54

Having feedback

170
327/55

Cross-coupled

365
327/56

With reference signal

169
327/57

With latching type element (e.g., flip-flop, etc.)

423
327/39

By frequency

134
327/40

Comparison between plural inputs

106
327/42

Fixed frequency reference signal

109
327/43

With logic or bistable circuit

111
327/41

With synchronous detection

89
327/47

Frequency detection

197
327/48

With counting

115
327/49

With logic or bistable circuit

121
327/44

With predetermined frequency selection

91
327/46

Including plural frequency detection

54
327/45

Including sampling or reference frequency

61
327/2

By phase

213
327/3

Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.)

437
327/6

With electron space discharge

3
327/5

With input derived from feedback

105
327/12

With logic or bistable circuit

435
327/7

With reference signal

362
327/10

Uniform pulse waveform

45
327/9

With sampling

69
327/11

With transformer

3
327/8

With varying frequency

38
327/4

With transducer

45
327/28

By polarity

81
327/30

Opposite polarity

16
327/29

Selection of a particular polarity

20
327/18

By presence or absence pulse detection

234
327/19

Arbitration

63
327/20

Monitoring (e.g., failure detection, etc.)

184
327/21

With variable frequency source

28
327/23

By pulse coincidence

95
327/24

Edge sensing

81
327/26

With pulse width detecting

81
327/27

With reference

26
327/25

With uniform spacing

14
327/22

By pulse noncoincidence

22
327/31

By pulse width or spacing

269
327/37

Comparison by threshold or reference

111
327/34

Narrow pulse elimination or suppression

171
327/36

Selection of a particular pulse width

63
327/35

Separating by duration or gap (e.g., duty cycle, etc.)

61
327/38

With plural paths

36
327/33

With sampling

49
327/32

With shock-excited circuit

5
327/98

By separating composite signal

90
327/13

By shape

30
327/16

Having feedback

7
327/14

Slope

74
327/15

With direction (i.e., positive or negative)

21
327/17

With reference signal

17
327/99

Having selection between plural continuous waveforms

353
327/518

With particular control

52
327/523

Gaseous tube

3
327/520

Plural active components included in a controlling circuit

34
327/521

Connected in inverse parallel

3
327/522

Gaseous tube

4
327/519

Plurality of load devices

18
 
 
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