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Class Information
Number: 340
Name: Communications: electrical >
Description: This is the residual home for subject matter, not elsewhere classified, relating to communication by means which are in part or in whole electrical.










Class Number Class Name No. of Patents
340/945

Aircraft alarm or indicating systems

957
340/981

Aircraft beacons

84
340/982

Lights communicate (e.g., direction, altitude, reference position to observer)

31
340/958

Docking guidance

95
340/963

Flight alarm

386
340/970

Altitude

248
340/967

Attitude (including yaw, angle of attack, roll, pitch, glide slope)

118
340/964

Phased warnings for same flight condition

37
340/969

Speed

64
340/966

Stall

49
340/965

Tactile

35
340/968

Wind shear

135
340/962

Icing indicator

67
340/947

Land-based landing guidance

131
340/948

Aircraft actuation of land-based landing guides

56
340/950

Movable (e.g., rotatable) guides

20
340/952

Particular energy guide source (e.g., sound, electric field, radio)

45
340/957

Magnetic field guide

1
340/953

Visual source

116
340/954

Alignment of plural sources

23
340/956

Modulated light source

15
340/955

Plural colors

44
340/951

Phased landing guidance (e.g., runway approach, landing, touchdown)

92
340/949

Wind direction

50
340/960

Landing gear indicator

40
340/946

Nonairplane (e.g., balloon or helicopter)

112
340/971

Nonalarm flight indicator

323
340/977

Altitude

94
340/974

Attitude

135
340/976

Glide slope or path

48
340/975

Roll or pitch

118
340/979

Heading (includes deviation from desired course)

124
340/973

Indicator of at least four flight parameters (altitude, speed, etc.)

232
340/980

Indicator visible in pilot's line of sight through windscreen

261
340/972

Runway presentation

110
340/978

Speed

50
340/983

Obstruction beacon

37
340/961

Potential collision with other aircraft

365
340/959

Takeoff indicator

58
340/384.1

Audible indication

319
340/388.1

Diaphragm (e.g., horn or buzzer)

104
340/388.2

Alternating current

4
340/388.5

Armature support

9
340/388.6

Having spring

6
340/391.1

Housing or mounting

86
340/388.7

Interrupter

9
340/388.8

Having spring

2
340/390.1

Rotary actuator

5
340/390.2

Having spring

2
340/388.3

With auxiliary flexible membrane

11
340/388.4

With resonance chamber

33
340/384.4

Electronic siren (e.g., wail tone or yelp tone warning device)

83
340/384.7

Electronic

205
340/384.72

Plural generators

84
340/384.71

Timing

107
340/384.73

With sound transducer details

92
340/385.1

Explosive

11
340/392.1

Percussion-type sound producer (e.g., signal chimes or bells)

44
340/401.1

Alternating current

2
340/397.1

Armature support

1
340/397.2

Having spring

2
340/393.2

Battery operated

11
340/396.1

Housing or mounting

35
340/393.4

Including timer

9
340/397.3

Interrupter

3
340/397.4

Having spring

1
340/398.1

Nonelectrical driving means (e.g., spring or weight)

10
340/398.2

With electromagnetic control

8
340/398.3

Including circuit breaker

0
340/393.1

Plural armatures

4
340/397.5

Polarized

1
340/393.3

Pushbutton

11
340/392.5

Resonator (e.g., signal chimes)

18
340/392.2

Rotary actuator

30
340/395.1

Suspended (e.g., locomotive bell)

4
340/392.4

Tubular sound producer (e.g., signal chimes)

24
340/392.3

Volume control

39
340/384.6

Piezoelectric

135
340/404.1

Pneumatic-type sound producer (e.g., whistle or siren)

30
340/404.2

Rotary actuator

17
340/404.3

With valve

6
340/384.3

Simulation

93
340/384.2

Ultrasonic pest control

62
340/387.1

Weatherproofing

7
340/384.5

With computer element

93
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Condition responsive indicating system (340/500)

 
 

Specific condition (340/540)

 
 

Specific condition (340/540)

 
 

Specific condition (340/540)

 
 

Specific condition (340/540)

 
 

Condition of electrical apparatus (340/635)

 
 

Intrusion detection (340/541)

 
 

With particular coupling link (340/531)

 
340/500

Condition responsive indicating system

547
340/540

Specific condition

1517
340/669

Acceleration

251
340/568.1

Article placement or removal (e.g., anti-theft)

1443
340/571

Alarm on protected article

902
340/568.8

Article on pedestal, in display case, or mounted on wall (e.g., work of art)

133
340/568.7

Currency, credit card, or container therefor (e.g., wallet or handbag)

172
340/572.1

Detectable device on protected article (e.g., "tag")

4867
340/572.3

Deactivatable by means other than mere removal

484
340/572.6

Having "soft" magnetic element (e.g., permalloy)

286
340/572.5

Having tuned resonant circuit

474
340/572.7

Specified antenna structure

1533
340/572.8

Specified device housing or attachment means

1480
340/572.9

Having means locking device to article

349
340/572.4

Specified processing arrangement for detected signal

1270
340/572.2

Specified relationship between field and detection frequencies (e.g., nth order harmonics)

380
340/570

Drawer

65
340/569

Mailbox

111
340/568.5

Shopping cart or item thereon

91
340/568.2

Signal-carrying conduit between sensor and article (e.g., cable, power cord, or data link)

354
340/568.3

Power cord

97
340/568.4

Specified connector (e.g., phone jack-type plug)

128
340/568.6

Sporting equipment (e.g., golfbag, club, cart, or skis)

81
340/673

Article transport

69
340/674

Discrete articles

107
340/677

Strand

93
340/675

Web, film, or strip

116
340/676

Conveyor belt

66
340/635

Condition of electrical apparatus

954
340/636.1

Battery

557
340/636.19

Battery deterioration detection

77
340/636.11

By change or rate of change of impedance or admittance

70
340/636.12

By current and voltage

118
340/636.13

By current

119
340/636.14

Thermochromic indication

15
340/636.15

By voltage

725
340/636.16

Having load detail

78
340/636.17

Having overcharge detection or protection

31
340/636.18

Including temperature detection

28
340/636.2

Including charging circuit

116
340/636.21

Wet cell type

54
340/652

Breaking of circuit continuity

377
340/654

Circuit energization

167
340/656

Electrical socket

85
340/655

Heating circuit

40
340/649

Condition of intentional grounding circuit

148
340/653

Electronic circuit or component

258
340/638

Fuse or circuit breaker

260
340/639

Plural

68
340/640

Heater element

55
340/647

Insulation

66
340/648

Motor

215
340/645

Rectifier

55
340/641

Signalling light element

194
340/642

Plural bulbs or filaments

180
340/643

Thermal or magnetic current sensors

51
340/644

Switch or relay

314
340/646

Transformer

76
340/650

Undesired circuit ground or short

301
340/651

For plural circuit conductors

74
340/637

Watt-hour meter

50
340/657

Electrical characteristic

353
340/664

Current

475
340/658

Phase or frequency

124
340/659

Pulse or surge

83
340/660

Voltage

362
340/661

Comparison

396
340/662

Overvoltage

172
340/663

Undervoltage

223
340/577

Flame

277
340/579

By ionization or conductivity

63
340/578

By radiant energy

255
340/603

Fluent material

358
340/606

Flow rate

327
340/609

Counting

60
340/607

Filter clogging

125
340/611

Pressure

190
340/608

Stoppage

104
340/610

Vane in flow path

53
340/632

Gas

589
340/633

Catalytic detector

68
340/634

Semiconductor detector

127
340/605

Leakage

686
340/612

Material level

251
340/618

Liquid

492
340/620

Electrode probe

500
340/623

Float sensor

205
340/625

Pivoted arm

99
340/624

Vertically reciprocable

210
340/622

Having heat sensor

114
340/621

Having sonic sensor

142
340/619

Optical sensor

188
340/615

Moving sensor (e.g., impeller)

25
340/616

Overflow

77
340/614

Pressure

96
340/617

Pulverant material (e.g., bin)

69
340/613

Weight in container

52
340/627

Particle suspension in fluid

118
340/631

Lubricant

98
340/628

Smoke

828
340/629

Ionization

267
340/630

Photoelectric

419
340/626

Pressure

397
340/604

Wetness

438
340/665

Force or stress

425
340/668

Tension

132
340/666

Weight

449
340/667

On seat

348
340/573.1

Human or animal

2997
340/573.3

Domestic animal training, monitoring, or controlling

363
340/576

Drive capability

565
340/574

Holdup

229
340/573.4

House arrest system, wandering, or wrong place

809
340/573.5

Incontinence or enuresis alarm

120
340/573.2

Nondomestic animal (e.g., for hunting, fishing, or repelling)

182
340/573.7

Posture alarm

194
340/575

Sleep

420
340/573.6

Water safety alarm

143
340/580

Ice formation

137
340/583

Photoelectric

93
340/581

Thermal

96
340/582

Vibratory

46
340/541

Intrusion detection

1466
340/561

Disturbance of electric field

202
340/562

Capacitance

250
340/564

Fence

72
340/563

With bridge

17
340/552

Disturbance of electromagnetic waves

438
340/554

Doppler effect

176
340/555

Light

452
340/556

Beam

417
340/557

Laser

158
340/553

Standing waves

48
340/544

Disturbance of fluid pressure

56
340/551

Disturbance of magnetic field

546
340/545.1

Door or window movement

372
340/545.6

Door, cover, or lid for self-contained article (e.g., refrigerator, mailbox, drawer, cabinet, or box)

278
340/545.9

Plural doors or windows

29
340/546

Portable

170
340/545.8

Specified door or window attachment (e.g., shade or blind)

36
340/545.7

Specified door or window portion (e.g., doorknob)

70
340/545.2

Specified sensor

128
340/545.5

Inertia-type sensor (e.g., mercury or pendulum switch)

39
340/547

Magnetic sensor

241
340/548

Plug or cord tension sensor

55
340/549

Rotatable sensor

43
340/545.4

Sensing of electrical parameter (e.g., piezoelectricity or capacitance)

62
340/545.3

Sensing of electromagnetic energy (e.g., light, infrared, or microwave)

194
340/542

Lock

384
340/543

Permutation

146
340/550

Partition penetration

284
340/565

Responsive to intruder energy

358
340/567

Electromagnetic energy

375
340/566

Vibration

468
340/679

Machine condition

646
340/684

Agricultural

129
340/682

Bearing

149
340/685

Cranes

180
340/680

Machine tool

253
340/681

Synchronization

26
340/683

Vibration

240
340/601

Meteorological condition

307
340/602

Moisture or humidity (e.g., rain)

305
340/678

Of geometrical gauge

17
340/686.1

Position responsive

920
340/686.2

Alignment or misalignment

166
340/687

Connected or disconnected

415
340/690

Geophysical (e.g., fault slip)

154
340/688

Meter dial

70
340/686.4

One article inserted into another

116
340/686.6

Proximity or distance

415
340/686.3

Shaft or rotary element

139
340/689

Tilt

381
340/686.5

Workpiece

79
340/600

Radiant energy

362
340/584

Thermal

603
340/595

Current modifier or generator

64
340/598

Barrier-layer sensor

34
340/599

Bridge circuit

22
340/596

Cable or elongated probe

60
340/597

Curie point sensor

3
340/592

Expanding fluid sensor

28
340/587

False alarm resistant

83
340/590

Fusible, frangible, or destructible sensor

86
340/591

Containing pressurized fluid

20
340/586

Portable

105
340/585

Refrigerated storage

135
340/593

Switch sensor

59
340/594

With bimetallic element

43
340/588

Time-temperature relationship (e.g., overtemperature exceeds predetermined interval or time-temperature integral)

281
340/589

Rate of temperature change

166
340/670

Velocity

82
340/671

Angular

135
340/672

Direction of shaft rotation

82
340/693.5

Specified housing

533
340/693.6

Configured to promote sensing capability (e.g., smoke detector)

190
340/693.7

Inserted battery required for housing closure

28
340/693.9

Having specified mounting structure

222
340/693.11

To wall or ceiling

79
340/693.12

Within another housing

53
340/693.8

Simulation

28
340/691.1

Specified indicator structure

508
340/691.8

Control circuit detail

111
340/691.3

Degree or urgency

95
340/691.6

Information display

406
340/691.7

Mechanical

86
340/691.4

Plural

76
340/691.5

Diverse

182
340/691.2

Simulated effect

74
340/692

Sound reproducer

543
340/693.1

Specified power supply

291
340/693.3

Having reduced power consumption (e.g., intermittent power)

82
340/693.4

Having specified voltage regulator

49
340/693.2

Substitute or emergency source (e.g., back-up battery)

100
340/531

With particular coupling link

921
340/532

Having particular safety function

87
340/539.1

Radio

2956
340/539.22

Having plural distinct sensors (i.e., for surrounding conditions)

507
340/539.24

Diagnostic

75
340/539.25

Including video

100
340/539.23

Proximity

319
340/539.16

Including central station detail

263
340/539.17

And remote station detail

236
340/539.18

Dispatching

133
340/539.19

Programmable

128
340/539.2

Map

87
340/539.21

Signal strength

255
340/539.32

Including location of misplaced item

212
340/539.11

Including personal portable device

1206
340/539.12

Medical

643
340/539.13

Tracking location (e.g., gps, etc.)

1798
340/539.3

Including power saving

165
340/539.14

Including remote residential device

218
340/539.15

Parent/child device

211
340/539.31

Including tamper resistant device

109
340/539.26

Specific environmental sensor

659
340/539.29

Dosimeter

33
340/539.27

Heat

87
340/539.28

Weather

83
340/533

Wired

215
340/534

Coded message

102
340/535

Mechanical code means (e.g., coded disc)

14
340/538

Combined with power line

449
340/538.15

Bi-directional (e.g., with transceiver)

102
340/538.14

Impedance matching (e.g., y-match or delta match)

26
340/538.11

Modulation technique

131
340/538.12

Noise reduction (e.g., filtering)

50
340/538.13

Zero crossing

17
340/538.17

With coupling plug

50
340/538.16

With inductive coupling (e.g., transformer or torroid)

69
340/536

Noninterfering

26
340/537

With impedance level coding

47
340/501

With particular system function (e.g., temperature compensation, calibration)

308
340/502

Acknowledgement

137
340/503

With ringback

12
340/506

Alarm system supervision

1657
340/510

Bridge or potential divider

74
340/513

Diode

43
340/507

Fail-safe

278
340/509

Plural or diverse current sources

65
340/512

Pulse

73
340/508

Redundant (e.g., added circuit or loop)

222
340/511

Threshold or window (e.g., of analog electrical level)

433
340/504

Answer-back

48
340/505

Interrogator-responder

843
340/526

Predetermined rate of occurrence

80
340/517

Selection from a plurality of sensed conditions

542
340/524

Condition position indicator

270
340/525

Display board

548
340/520

First sensed exclusively indicated

63
340/523

Particular sequence of conditions

119
340/521

Plural diverse conditions

795
340/522

Combined for response

569
340/518

Scanning

260
340/519

Worst condition

42
340/514

Testing

506
340/516

Automatic (e.g., periodic, start-up)

127
340/515

Simulation of condition

199
340/527

Time delay

202
340/529

Condition persistence

152
340/530

Capacitor

44
340/528

Entrance/exit

130
340/870.01

Continuously variable indicating (e.g., telemetering)

339
340/870.07

Combined (tm system with other system)

314
340/870.08

Radio dial

15
340/870.09

With alarm or annunciator (concurrent with tm)

111
340/870.16

Condition responsive

424
340/870.17

Temperature

300
340/870.1

For radio sonde

38
340/870.26

Frequency variation

65
340/870.25

Phase variation

37
340/870.27

Plural circuits, each for particular magnitude

25
340/870.11

Plural transmitters

285
340/870.12

Frequency division multiplex

24
340/870.13

Time division multiplex

148
340/870.14

Using particular sync

33
340/870.15

With plural receiver

38
340/870.18

Using a particular modulation (e.g., phase, frequency, or amplitude)

151
340/870.19

Pulse

112
340/870.21

Analog to digital function converter

76
340/870.23

Increase pulses plus decrease pulses

9
340/870.22

Permutation code

37
340/870.24

Pulse duration (e.g., pulse train)

74
340/870.2

Pulse repetition

28
340/870.28

Via radiant energy beam (via particular energy)

199
340/870.29

Photoelectric cell pickup

121
340/870.05

With calculation

87
340/870.06

Plural transmitters (e.g., ratio)

42
340/870.04

With calibration

83
340/870.02

With meter reading

862
340/870.03

Having plural transmitters

274
340/870.4

With particular receiver (e.g., ratiometer)

14
340/870.41

Plural receivers

20
340/870.44

With discharge device (e.g., crt)

9
340/870.42

With feedback (e.g., reflex along line)

32
340/870.43

Follow-up (e.g., circuit rebalanced when upset)

19
340/870.3

With particular transmitter (e.g., piezoelectric, dynamo)

86
340/870.37

Capacitive transmitter

257
340/870.31

Inductive transmitter

266
340/870.32

Mutual inductance

116
340/870.35

Differential type

33
340/870.36

Linear variable differential transformer (lvdt)

67
340/870.33

Flux valve type (e.g., with movable saturating magnet)

39
340/870.34

Self-synchronous type

36
340/870.38

Resistive transmitter

95
340/870.39

With supply voltage regulation or compensation

123
340/146.2

Digital comparator systems

422
340/901

External condition vehicle-mounted indicator or alarm

717
340/905

Highway information (e.g., weather, speed limits, etc.)

1026
340/902

Transmitter in another vehicle (e.g., emergency vehicle)

401
340/903

Relative distence between vehicles (e.g., collision alert)

1388
340/904

Transmitter in one vehicle only

421
 

Land vehicle alarm or indicator (340/425.5)

 
340/425.5

Land vehicle alarms or indicators

1513
340/480

Electromagnetically actuated mechanical signal

36
340/482

Normally encased

7
340/483

Plural concurrent indicators

5
340/484

Sliding sign or shutter

5
340/485

Window exhibited sign or shutter

11
340/486

Drum

1
340/487

Pivoting

31
340/488

Multiple indicators

16
340/489

Three or more positions

4
340/490

Vertical axis

4
340/481

Wigwag type

4
340/463

External alarm or indicator of movement

348
340/467

Acceleration or deceleration

300
340/464

Plural indications (e.g., go, slow, stop)

207
340/466

Speed

145
340/465

Turning or steering

167
340/468

External signal light system

559
340/479

Brake light

502
340/471

Hazard warning or distress signalling

356
340/472

Auxiliary signal permanently attached to vehicle

282
340/473

Portable signal

171
340/470

Pass - no pass

29
340/475

Turn signal

377
340/476

With automatic cancelling

68
340/477

By predetermined time interval or distance

65
340/478

With plural bulbs sequentially flashed

65
340/474

With audible signal

102
340/469

With two or more intensity levels (e.g., day or night)

132
340/432

For bicycle

326
340/433

For school bus

112
340/434

For taxi

27
340/431

For trailer

375
340/438

Internal alarm or indicator responsive to a condition of the vehicle

2357
340/455

Battery charging system condition

117
340/453

Brake or clutch condition

192
340/454

Wear

166
340/450

Fluid level

134
340/450.2

Of fuel

104
340/450.1

Of hydraulic brake fluid

42
340/450.3

Of lubricant (e.g., engine oil)

115
340/451

Fluid pressure

100
340/452

Of brake fluid

58
340/456

Gear position

176
340/458

Lamp or lamp circuit condition

208
340/439

Operation efficiency (e.g., engine performance, driver habits)

1001
340/459

Plural conditions

318
340/461

With particular display means

604
340/462

Digital

95
340/460

With voice warning

82
340/457

Reminder

349
340/457.2

Of headlight energization

42
340/457.3

Of parking brake application

26
340/457.1

Of seat belt application

220
340/457.4

Of service interval expiration

124
340/441

Speed of vehicle, engine, or power train

511
340/449

Temperature

222
340/440

Tilt, imbalance, or overload

294
340/442

Tire deflation or inflation

1046
340/443

By indirect detection means (e.g., height measurement)

206
340/444

Relative wheel speed

336
340/445

With particular telemetric coupling

485
340/446

Acoustic wave

87
340/448

Inductive

166
340/447

Radio wave

759
340/426.1

Of burglary or unauthorized use

469
340/426.11

Including immobilization

231
340/426.12

User activated (e.g., car-jacking, etc.)

134
340/426.36

Including keyless entry

203
340/426.35

Including programmable key

104
340/426.24

Including specified sensor

114
340/426.34

Accessory (e.g., speaker, radio face plate, etc.)

64
340/426.32

Brake

20
340/426.26

Detecting intruder energy (e.g., infrared, etc.)

84
340/426.28

Door or lock

593
340/426.3

Ignition switch

98
340/426.25

Plural diverse sensors

107
340/426.31

Steering wheel

41
340/426.29

Trunk or hood

51
340/426.33

Wheel/tire

110
340/426.27

Window (i.e., glass)

47
340/426.22

Local indication

109
340/426.23

Exterior of vehicle

65
340/427

Of motorcycles or bicycles

132
340/426.18

Remote alarm

135
340/426.2

Cellular

104
340/426.21

Paging

36
340/426.19

Using gps (i.e., location)

213
340/426.13

Remote control

301
340/426.14

Programmable

88
340/426.15

Status indication

129
340/426.16

Transmitter and receiver in vehicle

247
340/426.17

Transmitter on user

233
340/428

Responsive to changes in voltage or current in a vehicle electrical system

169
340/429

Responsive to inertia, vibration, or tilt

317
340/430

With entrance/exit time delay

141
340/436

Of collision or contact with external object

1791
340/437

Curb

90
340/435

Of relative distance from an obstacle

1583
340/999

Miscellaneous

55
340/906

Override of traffic control indicator by command transmitter

176
340/944

Pedestrian guidance

131
340/310.11

Remote control over power line

540
340/310.16

Bi-directional (e.g., with transceiver)

253
340/310.15

Impedance matching (e.g., y-match or delta match)

64
340/310.12

Modulation technique

292
340/310.13

Noise reduction (e.g., filtering)

119
340/310.14

Zero crossing

61
340/310.18

With coupling plug

117
340/310.17

With inductive coupling (e.g., transformer or torroid)

158
340/425.1

Repeater in unspecified type communications line or channel (e.g., relay station)

54
340/425.2

Power control

30
 

Selective (340/825)

 
 

Selective (340/825)

 
 

Having indication or alarm (e.g., location indication) (340/825.36)

 
340/825

Selective

227
340/825.52

Addressing

784
340/825.53

Plural part (e.g., digit) or repetitions

59
340/825.77

Amplitude responsive actuation

48
340/825.78

Divided resistor

24
340/825.25

Audio system (e.g., by pulse signal)

200
340/825.19

Communication or control for the handicapped

307
340/14.1

Decoder matrix

51
340/14.5

Bistable crosspoint

1
340/14.4

Logic crosspoint

9
340/14.2

Plural stage

10
340/14.3

Programmable

61
340/14.31

Having fusible element

7
340/14.6

Semiconductor crosspoint

16
340/14.61

Integrated circuit

22
340/14.66

Semiconductor diode

10
340/14.67

Charge storage

2
340/14.68

Plural diodes at crosspoint

3
340/14.69

Switching element

19
340/14.62

Transistor

10
340/14.63

Field effect transistor

22
340/14.64

Four or more electrode type

1
340/14.65

Plural transistors in element

5
340/825.71

Frequency responsive actuation

115
340/825.73

Plural frequencies

98
340/825.76

Corresponding to distinct functions

66
340/825.75

Permutation

44
340/825.74

Simultaneous

36
340/825.72

Wireless link

1454
340/825.97

Having electron beam device

4
340/825.36

Having indication or alarm (e.g., location indication)

665
340/825.37

Additional to other selective control

122
340/7.2

Code responsive (i.e., paging)

188
340/7.45

Addressing format

79
340/7.46

Group call

137
340/7.48

News information provider (e.g., sports, weather, etc.)

143
340/7.47

Source address

24
340/7.49

Tone code (i.e., frequency code)

57
340/7.58

Alert

179
340/7.62

Audible

100
340/7.59

Priority alert

57
340/7.6

Vibratory (i.e., tactual) alarm

191
340/7.61

Visual

61
340/7.5

Distress signal

79
340/7.42

Frequency scanning for address

110
340/7.63

Housing detail

138
340/7.51

Message presentation

117
340/7.57

Audible

100
340/7.53

Canned message (audible or visual)

66
340/7.55

Display

364
340/7.56

Including graphics

112
340/7.52

Storing or retrieving message (e.g., received message database handling)

285
340/7.54

Via externally coupled device

85
340/7.28

Paging terminal (i.e., element prior to the transmitter)

125
340/7.31

Message input

50
340/7.3

Queuing

56
340/7.29

Terminal connected to other network (e.g., internet)

158
340/7.43

Particular message and address format (e.g., pocsag, flex, etc.)

252
340/7.44

Having error detection or correction

107
340/7.32

Power control or battery saving

246
340/7.33

Based on received signal

133
340/7.35

Address based

91
340/7.34

Frame based timing

115
340/7.36

Received signal includes power command

54
340/7.37

Control based upon available power

66
340/7.38

Time based

133
340/7.39

Programming the receiver

101
340/7.41

Over the air

90
340/7.4

Via local device

41
340/7.24

Transmitting configuration

55
340/7.25

Multiple transmitters

105
340/7.26

Simulcast

42
340/7.27

Zoned

135
340/7.21

Two-way paging

282
340/7.22

Acknowledgment of message receipt

156
340/7.23

Including reply to query

71
340/825.49

Location indication

1149
340/7.1

Paging to control diverse device

229
340/825.38

Party line

10
340/825.43

Amplitude or polarity controlled

14
340/825.39

Selection by means of frequency

11
340/825.4

Selector or indicator, per se

17
340/825.41

Step-by-step impulse

2
340/825.42

Polarity controlled

5
340/5.1

Intelligence comparison for controlling

430
340/5.8

Authentication (e.g., identity)

696
340/5.86

Document authentication

219
340/5.81

Personal identification

236
340/5.82

Biometrics

365
340/5.83

Image (fingerprint, face)

562
340/5.84

Voice

53
340/5.85

Password

107
340/5.2

Authorization control (e.g., entry into an area)

645
340/5.7

Access barrier

388
340/5.71

Garage door

199
340/5.73

Lockbox

281
340/5.72

Vehicle door

671
340/5.74

Access to electrical information

445
340/5.6

Coded record input (e.g., ic card or key)

407
340/5.65

Electronic coded record

204
340/5.66

Magnetic coded record

70
340/5.67

Mechanical coded record

85
340/5.61

Wireless transceiver

837
340/5.62

Including manual switching means

193
340/5.63

Including timing means (e.g., clock)

65
340/5.64

Wireless transmitter

550
340/5.4

Credit

120
340/5.41

Banking or finance

86
340/5.42

Debiting (e.g., rental)

65
340/5.3

Having indication of improper access

184
340/5.33

Including link to remote indicator

107
340/5.31

Lockout or disable

237
340/5.32

Visual indication

82
340/5.5

Input from central location for plural controlled devices

158
340/5.51

Manual code input

82
340/5.52

Biometrics

331
340/5.53

Image (e.g., fingerprint, face)

476
340/5.54

Password

285
340/5.55

Rotary input

41
340/5.28

Timed access blocking

153
340/5.21

Varying authorization

156
340/5.22

Code programming

182
340/5.23

Programming from coded record to controller

139
340/5.24

Using additional record or carrier code

57
340/5.25

Programming of coded record

106
340/5.26

Code rotating or scrambling

211
340/5.27

Rule based input

48
340/5.9

Commodity (e.g., vending)

207
340/5.91

Including merchandise information display system (e.g., store price display)

220
340/5.92

Item inventorying

288
340/10.1

Interrogation response

2822
340/10.5

Additional control

514
340/10.51

Programming (e.g., read/write)

518
340/10.52

Id code

193
340/10.2

Contention avoidance

637
340/10.3

Interrogation signal detail

644
340/10.32

Group call

174
340/10.31

Individual call

169
340/10.34

Power up

432
340/10.33

Wake up (all call)

238
340/10.6

Printout or display

189
340/10.4

Response signal detail

701
340/10.41

Combination response

376
340/10.42

Identification only

353
340/3.1

Monitoring in addition to control (e.g., supervisory)

936
340/3.9

Control then monitoring

96
340/3.42

Control to avoid fault

55
340/3.8

Electromechanical relay

24
340/3.43

Fault condition detection

153
340/3.44

Control to correct fault

66
340/3.5

Including addressing

139
340/3.54

Destination address

66
340/3.55

Pulse counting

16
340/3.52

Group address

32
340/3.51

Polling or roll call

221
340/3.53

Source address

22
340/3.7

Including indicator

160
340/3.71

Having manual control input

126
340/3.3

Including storage or recording

86
340/3.31

Storage at controlled device or sensor

62
340/3.32

Storage at controller

62
340/3.4

Quiescent

39
340/3.41

Collision avoidance

51
340/3.6

Scanning

28
340/3.61

Continuous

6
340/3.62

Interrupted

13
340/3.63

Automatic

9
340/3.2

Synchronization

91
340/3.22

Electromechanical (e.g., relay, rotary distributor)

10
340/3.23

Relay chain

0
340/3.24

Step-by-step

0
340/3.21

Time slot or packet

99
340/2.1

Path selection

238
340/2.2

Channel selecting matrix

118
340/2.28

Crosspoint switch detail (i.e., specific crosspoint)

69
340/2.31

Gas discharge

0
340/2.29

Semiconductor

57
340/2.25

Folded

19
340/2.26

Having master control element

61
340/2.27

Plural matrices

33
340/2.21

Plural stages

67
340/2.23

Alternate routing

84
340/2.22

Clos type

54
340/2.24

Having master control element

24
340/2.4

Code or pulse responsive

95
340/2.7

Condition of data channel

107
340/2.71

Hunting

10
340/2.8

Data channel selector line

32
340/2.6

Plural stages

37
340/2.5

Wiper

5
340/825.7

Phase responsive actuation

36
340/825.22

Program control

470
340/825.23

Machine tool

61
340/825.24

Of audio system

193
340/825.57

Pulse responsive actuation

171
340/825.61

Having delay line

13
340/825.58

Phase or frequency shift keying

53
340/825.59

Polarity

33
340/825.6

Pulse pairs

22
340/825.62

Serial

86
340/825.65

Counting

88
340/825.67

Counting chain

14
340/825.66

Relay

9
340/825.64

Pulse spacing (e.g., pulse repetition rate)

73
340/825.63

Pulse width

93
340/825.69

Radio link

1571
340/825.68

Shift register

51
340/825.28

Space allocation (e.g., vehicle seat, hotel reservation)

41
340/825.29

Remote terminal

55
340/825.01

Spare channel

212
340/825.26

Stock quotation

77
340/825.27

With information storage

86
340/825.2

Synchronizing

241
340/825.21

With addressing

130
340/825.98

System having rectifier

7
340/825.02

Tree or cascade

173
340/825.56

With multidigit encoder

134
 

Systems (340/286.01)

 
340/286.01

Systems

172
340/286.11

Annunciator

60
340/286.12

Drop annunciator

3
340/313

Answer back

21
340/314

Noncorrespondence alarm (e.g., if acknowledgement is incorrect)

3
340/328

Audible signals (e.g., bell rings softly first and then loudly)

125
340/329

Intermittent

18
340/286.06

Call station

71
340/286.07

Hospital

178
340/286.08

Hotel

13
340/286.09

Restaurant

58
340/323R

Game reporting

403
340/323B

Bowling

37
340/330

In and out indicators (e.g., doorbell button flashes "out" sign)

65
340/286.04

Manual alarm telegraph; e.g., other than signal box type

5
340/286.05

Fire

124
340/286.13

Mimic

49
340/286.14

Mapping

38
340/286.02

Network signaling

249
340/286.03

Speaking tube including circuit

1
340/311.2

Nonselective paging (e.g., public address system)

32
340/331

Periodic or flashing

300
340/326

Plural (e.g., concurrent auxiliary) single indications (e.g., light flashes when bell rings)

197
340/327

With sounder signal cut-off

12
340/319

Plural electromagnets or plural motors receiver

8
340/321

Portable self-contained (e.g., movie usher's signalling flashlight)

292
340/316

Rebalancing at receiver

4
340/317

Automatic rebalancing

11
340/322

Self-cancelling after fixed time

5
340/315

Selsyn type

5
340/287

Signal box type (e.g., to call messenger, plural fire alarm boxes)

61
340/292

Circuit maintenance (e.g., fault alarm, faulty circuit substitution)

19
340/288

Combined (e.g., alarm circuit over power line)

42
340/290

Engine house apparatus controlling (e.g., releases horses, starts motor)

13
340/289

With fire extinguisher (e.g., co2)

31
340/304

False alarm combating (e.g., detention devices)

16
340/303

Frangible element must be broken to send signal

11
340/305

Local circuit to actuate box

4
340/306

Watchman's local circuit

21
340/295

Noninterfering (prevents break-in by another box during transmission)

5
340/296

Key obstruction type

5
340/301

Portable box actuating key (e.g., key must be released by signal from central)

13
340/302

Frangible guard or protector for key

6
340/291

Repeaters (e.g., from central to plural fire houses or to siren)

27
340/307

Transmitters

26
340/308

Controlled by door of signal box

7
340/309

With make and break wheel

5
340/293

Variable signal (e.g., police and fire, first and third alarm)

38
340/294

Dial selector for variable signal

4
340/297

With signal at box (e.g., preliminary signal to combat false alarms)

12
340/298

Answer back signal acknowledges transmitted signal

13
340/300

Lamp at box (e.g., to call patrolman)

4
340/299

Simultaneous (e.g., actuated by transmitted signal)

5
340/332

Signal light systems

353
340/318

Synchronous distributor at transmitter and receiver

14
340/309.16

Timer control

392
340/309.6

Circuit maker-breaker in series

11
340/309.7

Reminder device with built-in timer

274
340/309.4

Selectively or sequentially actuated indicators

193
340/309.5

With independent manual controller

27
340/309.8

Separate diverse device activated by timer

174
340/309.9

Separate diverse device deactivated by timer

87
340/309.3

With diversely controlled indicator

41
340/309.2

With nonelectrical indicator or exhibitor

14
340/320

Via fluid conduit (e.g., fire hose)

5
340/333

With specific power supply (e.g., power substitution)

111
340/407.1

Tactual indication

575
340/407.2

With input means (e.g., keyboard)

230
340/907

Traffic control indicator

532
340/928

Combined (e.g., toll systems, one-way)

367
340/929

Indication of time remaining before change of phase

44
340/930

Electromechanical movable auxiliary indicator

19
340/916

Intersection normally under local controller

86
340/917

Controller responsive to traffic detectors

146
340/918

Controller, when changing right of way, alters or skips normal "go" cycle of street having no traffic detected

16
340/922

Density determines split

5
340/923

Extension of time

12
340/919

Plural cross highways at intersection each have traffic detectors

29
340/920

Density determines split

8
340/921

Extension of time

5
340/924

Local controller can be superceded by central station controller

20
340/926

Manual setting of cycle length and split times

9
340/925

Pedestrian control

70
340/927

Rotating cam structure (specific structure required)

11
340/932

Pacing (e.g., vehicle keeps pace with sequentially activated lights)

49
340/932.1

Pivoted

6
340/909

Plural intersections under common central station control

65
340/915

Central station includes display of status of indicators

25
340/910

Central station responsive to traffic detectors

83
340/911

Central station controls offset (time between beginning of same phase at adjacent intersections)

25
340/913

Offset control

17
340/914

Split control

13
340/912

Standby cycling implemented if invalid transmission received or loss of transmission occurs

17
340/908

Portable

242
340/908.1

Barricade marker

156
340/931

Traffic control or local controller failure indicator

91
340/850

Underwater

129
340/852

Electrodes and electrode systems

41
340/851

Ship guidance system

13
340/933

Vehicle detectors

923
340/938

Compensation for vehicle remaining at sensor position

55
340/934

Density

128
340/935

Discriminates vehicle direction

89
340/939

Environmental or drift compensation

55
340/941

Inductive

261
340/942

Photoelectric

153
340/943

Sonic or ultrasonic

110
340/936

Speed and overspeed

262
340/937

With camera

604
340/940

With pneumatic

40
340/932.2

Vehicle parking indicators

631
 

Vehicle position indication (340/988)

 
340/988

Vehicle position indication

1790
340/989

At remote location

435
340/992

Position indication transmitted at periodic intervals (e.g., distance travelled)

179
340/993

Position indication transmitted by local station to remote location

247
340/991

Position indication transmitted by vehicle after receipt of information from local station

288
340/994

Vehicle's arrival or expected arrival at remote location along route indicated at that remote location (e.g., bus arrival systems)

316
340/990

With map display

1160
340/995.1

Map display

727
340/995.11

Having plural maps

59
340/995.24

Including landmark information

283
340/995.27

Including particular display feature (e.g., indication of direction, mileage, road type, etc.)

218
340/995.26

Including particular display structure (e.g., detachable, rolling map sheet, etc.)

104
340/995.28

Including particular position/direction sensor

101
340/995.25

Including vehicle position correction

99
340/995.14

Manipulation of map display or data

324
340/995.15

Having adjustable map (e.g., scalable, etc.)

140
340/995.17

Display change based on vehicle position

159
340/995.16

Input device

83
340/995.18

Particular data storage

196
340/995.19

Route determination and display on map

522
340/995.2

Intersection turn guidance

198
340/995.21

Off course, route re-search

126
340/995.22

Pattern matching

93
340/995.23

Specifying particular start/destination

176
340/995.12

Transmission of map data to vehicle

238
340/995.13

Traffic information

368
340/996

Prerecorded message describes position

105
340/815.4

Visual indication

670
340/815.46

Audio responsive lamp

57
340/815.63

Binary indicator

30
340/815.69

Diverse indications

137
340/815.7

Having percussion type indication (e.g., electric bells, chimes)

5
340/815.71

Electromagnetic

3
340/815.72

Having pneumatic type indication

3
340/815.62

Electromagnetic actuator for indicator matrix

74
340/815.64

Electromagnetic rotator for indicator wheel

20
340/815.41

False signal prevention (anti-sunlight)

15
340/815.81

Grouped drop annunciators

1
340/815.82

Support

4
340/815.42

Having light piping

160
340/815.43

With specified colors

33
340/815.53

Lighted alphanumeric or character indicator matrix

105
340/815.54

Having optical means in viewing path

37
340/815.83

Movable

41
340/815.9

By electromagnetically releasable latch

5
340/815.92

Gravity operated drop annunciator

1
340/815.91

Having restoring means

0
340/815.89

Circuit closing type

1
340/815.86

Rotary

40
340/815.87

Rotor driven

21
340/815.88

Vane indicator

14
340/815.85

Self restoring type annunciator

1
340/815.84

Semaphore

2
340/815.65

Multiple colors

144
340/815.66

By light signal

19
340/815.67

Plural

36
340/815.68

With movable optical means

10
340/815.78

Pointer indicator

56
340/815.79

Annunciator

3
340/815.8

Having electromagnetically releasable latch

1
340/815.44

Seven-segment indicator

48
340/815.58

Step by step positioner

14
340/815.61

Drum indicator

4
340/815.59

Having resetting device

5
340/815.6

Remote controller

32
340/815.47

Switchboard or panel type (e.g., bullseye)

94
340/815.49

Housing

57
340/815.5

Including optical means

45
340/815.51

Including spring

4
340/815.48

Pushbutton

34
340/815.52

With details of energizing circuit

21
340/815.55

Transparent or translucent indicator with means for blocking light

74
340/815.56

Color

34
340/815.57

Having optical device

30
340/815.45

Using light emitting diodes

699
340/815.73

With lamp enclosed in transparent housing

74
340/815.74

Combined

30
340/815.75

Light source modifier

56
340/815.76

Lens type

33
340/815.77

Relatively movable light source

13
340/984

Watercraft alarm or indicating systems

200
340/986

Anchor movement

3
340/985

Navigation guides (e.g., channel lights)

47
340/987

Rudder position indicator

15
340/853.1

Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.)

237
340/853.2

Diagnostic monitoring or detecting operation of communications equipment or signal

147
340/856.1

In horizontal or inclined passage arrangement

23
340/853.9

Including detail of subsurface signal storage (e.g., memory, recorder, register, etc.)

44
340/856.3

Including particular sensor

54
340/856.4

Acoustic or vibratory (e.g., sonic, fluidic, etc.)

52
340/855.8

Including specified power transmission feature or source (e.g., battery, etc.)

64
340/855.9

Specified alternating current (a.c.) circuit feature

33
340/855.7

Modification of signal bandwidth, frequency, or circuit impedance at subsurface location

46
340/855.3

Multiplexed signals

71
340/855.4

Pulse or digital signal transmission

104
340/855.5

Digital signal processing in subsurface transmitter

77
340/855.6

Having acoustic sensor

39
340/853.7

Repeater in subsurface link (e.g., cable, etc.)

56
340/853.3

Selective control of subsurface equipment

172
340/853.6

Control of drill bit or apparatus (e.g., steering, speed, etc.)

47
340/853.4

In horizontal or inclined drilling or passage

44
340/853.5

Control of drilling apparatus using magnetic field

22
340/854.3

Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.)

164
340/854.9

Cable or wire (e.g., conductor as support, etc.)

142
340/855.1

Coupling connection structural feature

57
340/855.2

Single conductor cable or wire

39
340/854.4

Drill string or tubing support signal conduction

209
340/854.6

Electromagnetic energy (e.g., radio frequency, etc.)

201
340/854.8

Near field coupling (e.g., inductive, capacitive, etc.)

127
340/854.7

Optical link (e.g., waveguide, etc.)

60
340/854.5

Wellbore casing or ground

61
340/856.2

With expandable or inflatable sensor element or mounting

24
340/853.8

With orientation sensing of subsurface telemetering equipment (other than drilling equipment)

44
340/854.1

With position or depth recording (e.g., line payout, equipment locator, etc.)

55
340/854.2

Location of collar or stuck tool

8
 
 
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