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Class Information
Number: 342
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) >
Description: STATEMENT OF THE CLASS SUBJECT MATTER:


Class Number Class Name No. of Patents
342/36

Air traffic control

163
342/37

Secondary surveilance radar (ssr) or air traffic control radar beacon system (atcrbs)

113
342/38

With altitude information

29
342/40

With defruiting or degarbling

51
342/39

With side lobe suppression

26
342/29

Aircraft collision avoidance system (cas)

231
342/30

With transponder

103
342/32

Included in secondary surveilance radar (ssr) or air traffic control radio beacon system (atcrbs)

99
342/31

Including synchronized clock

10
342/33

Aircraft landing system

99
342/34

Ground control approach (gca)

20
342/35

Microwave landing system (mls)

46
342/21

Base band system

117
342/23

Berthing or docking

18
342/24

Blind aid

20
342/159

Clutter elimination

501
342/160

Mti (moving target indicator)

198
342/162

Digital

224
342/163

With blind speed elimination

25
342/164

With storage tube

1
342/161

With vehicle movement compensation (e.g., amti (airborn mti))

66
342/52

Combined with diverse type radiant energy system

209
342/56

With direction finding

31
342/53

With infrared device

132
342/54

With laser

152
342/57

With radio voice communication

52
342/55

With television

65
342/58

With transmission to a remote station

110
342/147

Determining direction

203
342/156

Interferometer

75
342/155

Lobe switching

32
342/148

Low angle processing

44
342/149

Monopulse

186
342/154

Combined with beam steering

67
342/151

With channel equalization

35
342/150

With common if channel

28
342/153

With particular antenna or waveguide

73
342/152

With quadrature difference processing

73
342/158

Scanning

138
342/157

With frequency or phase steering

141
342/118

Determining distance

447
342/120

Altimeter

140
342/122

Fm type

63
342/121

With additional indicator

26
342/146

Combined with determining direction

173
342/123

Height finder

57
342/124

Material level within container

212
342/119

Miss distance indicator (mdi)

24
342/127

Phase comparison

147
342/126

Triangulation

127
342/145

With correlation

157
342/128

With frequency modulation

297
342/133

Combined with determining direction

80
342/129

Plural frequencies transmitted

98
342/130

Plural modulation

71
342/131

Combined with pulse modulation (e.g., frequency agile)

58
342/132

With pulse modulation (e.g., "chirp")

139
342/134

With pulse modulation

187
342/139

Combined with determining direction

54
342/141

Off boresight

13
342/140

With azimuth and elevation determination

63
342/142

With crt display

11
342/143

Plural

0
342/144

Ppi type

4
342/135

Digital (e.g., with counter)

175
342/136

With plural fixed range gates

31
342/138

With type "a" or "j" range scope

1
342/137

With variable pulse repetition frequency (prf) or pulse width

116
342/125

With remote cooperating station

140
342/104

Determining velocity

256
342/106

Combined with determining acceleration

43
342/113

Combined with determining direction (i.e., bearing)

66
342/107

Combined with determining distance and direction

169
342/108

With correlation

66
342/109

Combined with determining distance

253
342/110

With plural fixed range gates

35
342/112

With plural frequencies transmission

45
342/111

With plural receiver frequency band separation

61
342/114

Combined with determining sense of motion (i.e., approaching or receding)

119
342/115

Digital

212
342/105

Other than doppler (e.g., range rate)

58
342/117

With plural beams (e.g., "janus")

46
342/116

With plural received frequency band separation

43
342/350

Directive

49
342/385

Beacon or receiver

46
342/417

Direction-finding receiver only

167
342/418

Doppler

87
342/448

Having a coil or loop type antenna

40
342/443

Having a direction indicator

53
342/441

Having a goniometer

12
342/449

Having a moving antenna

20
342/442

Having a phase detector

191
342/447

Having a spiral antennas

5
342/445

Having more than two antennas

80
342/446

Unequal distance between at least three antennas

16
342/444

Having plural receivers

72
342/419

Portable

71
342/428

With continuously movable antenna pattern

13
342/431

Including a goniometer

6
342/429

Including a stationary antenna

15
342/430

Including plural moving antennas

20
342/420

With error or deviatioan compensator or eliminator

35
342/421

Pulse-type noise elimination or compensation (e.g., sky waves)

7
342/432

With plural fixed antenna pattern comparing

59
342/440

Including a goniometer

12
342/439

Including combined effect indicator

8
342/437

Including more than two antennas

30
342/438

Including separate indicators

5
342/433

Successively commutated

31
342/435

By diode switching

11
342/436

By modulation

14
342/434

Including more than two antennas

35
342/422

With self-orienting antenna pattern

38
342/425

Conical scan antenna type

15
342/427

Monopulse or pseuodo monopulse tracking antenna type

72
342/423

Plural antennas

51
342/424

Tracking interferometer

112
342/426

Step track antenna type

17
342/386

With transmisson of bearing or position determinative signals

123
342/407

Fixed course or bearing indicating

19
342/414

Distinctive frequencies equi-signal type

7
342/415

Coded equi-signal (e.g., a and n type)

3
342/416

Sequentially effective reflectors

0
342/410

Glide slope transmitter or receiver

34
342/411

Receiver only

30
342/412

Transmitter oly

19
342/413

Localizer transmitter or receiver

35
342/408

Moving beam

51
342/409

With superimposed images

5
342/387

Iso-chronic type

149
342/388

Loran

17
342/391

Loran-a

2
342/389

Loran-c

61
342/390

With cycle selection

14
342/392

With automatic gain control

3
342/393

Iso-frequency type

7
342/394

Iso-phase type

30
342/397

Decca

6
342/396

Omega

17
342/395

With hetrodyne synchronization

3
342/398

Rotating beacon signal

33
342/399

Tacan

25
342/400

Receiver only

11
342/401

Vor

31
342/402

Doppler

17
342/403

With circular array of antennas

5
342/404

Vor

18
342/405

Doppler

17
342/406

With circular array of antennas

9
342/351

Including a radiometer

103
342/352

Including a satellite

355
342/353

Having a signal repeater

74
342/356

Synchronous satellite

103
342/354

With beam steering

210
342/355

With control of satellite altitude

58
342/357.01

With position indicating

472
342/357.05

Using doppler frequency shift

104
342/357.06

Using global positioning satellite (gps or glonass)

1026
342/357.11

Attitude determination

90
342/357.14

Combined with secondary navigation system (i.e., loran, gyroscope, inertial, dead reckoning, etc.)

244
342/357.1

Combined with telecommunication

471
342/357.08

Determining relative position (e.g., distance or direction)

408
342/357.12

Gps receiver signal processing

587
342/357.15

Satellite selection (i.e., tracking or acquisition)

246
342/357.07

Tracking or monitoring (i.e., lost or stolen vehicles)

315
342/357.13

With storage device (i.e., map or database)

368
342/357.09

With transmission of location-indicative information to or from a remote station

576
342/357.16

Using low earth orbit (telecommunication) satellites

67
342/357.02

With accuracy enhancing

357
342/357.03

Using differential correction

228
342/357.04

With ambiguity resolving

81
342/357.17

With particular action taken responsive to position

149
342/358

With satellite signal correction

164
342/368

Including a steerable array

540
342/377

Including a computer

144
342/376

Including a remote energy source

57
342/369

Injection radiation type

10
342/370

Retrodirective

34
342/375

With a delay line (e.g., serpentine transmission line, frequency scanning)

265
342/373

With a matrix

399
342/374

With a switch

311
342/371

With electronic scanning

160
342/372

Controlled

606
342/359

Including antenna orientation

343
342/360

Including antenna pattern plotting

102
342/367

Including directive communication system

153
342/361

Including polarized signal communication transmitter or receiver

174
342/365

Circular

42
342/366

Eliptical

14
342/362

Receiver only

83
342/363

Circular

40
342/364

Eliptical

11
342/450

Position indicating (e.g., triangulation)

427
342/451

By computer

243
342/453

By deflected or repeated signal

99
342/452

By plotting table

31
342/458

Distance

200
342/463

Having plural transmitters or receivers

339
342/465

Plural receivers only

212
342/464

Plural transmitters only

133
342/457

Land vehicle location (e.g., bus, police car

787
342/460

Storm or atomic explosion location

62
342/454

Traffic

46
342/455

Having collision avoidance

200
342/456

Having traffic control

78
342/459

Underground object location

47
342/462

With altitude determination

42
342/461

With speed determination

33
342/378

Utilizing correlation techniques

314
342/384

Difference of each antenna channel signal

45
342/379

Side lobe elimination

134
342/381

Difference of each antenna channel signal

61
342/382

Mixing each antenna channel signal

50
342/380

Sum of each antenna channel signal

113
342/383

Sum of each antenna signal

195
342/59

Plural radar

180
342/27

Presence detection only

391
342/28

By motion detection

257
342/13

Radar ew (electronic warfare)

377
342/20

Detection of surveilance

213
342/16

Eccm (electronic counter-countermeasures, i.e., antijamming)

158
342/17

Radar reacts to jamming

102
342/18

By changing frequency

30
342/19

By varying gain or blocking receiver

38
342/14

Ecm (electronic countermeasures, i.e., jamming)

182
342/15

With repeater

95
342/26R

Radar for meteorological use (epo)

164
342/26D

Ground based (epo)

118
342/26B

Mounted on aircraft (epo)

128
342/26A

Mounted on satellite (epo)

20
342/26C

Mounted on ship (epo)

10
342/5

Radar reflector

103
342/12

Chaff

61
342/7

Corner

54
342/9

Decoy or tow target

34
342/8

Inflatable or collapsable

42
342/10

Inflatable or collapsable

58
342/6

With modulation

70
342/11

With spherical lens (e.g., luneberg lens)

17
342/42

Radar transponder system

418
342/43

Combined with primary radar system

86
342/45

Iff or sif

167
342/46

Navigational

109
342/47

Distance measuring equipment (dme)

70
342/48

With automatic lock-on

12
342/49

With vor/tacan

25
342/51

Radar transponder only

405
342/44

Unique identity

379
342/50

With telemetry

137
342/1

Radio wave absorber

223
342/2

For aircraft or missile

70
342/3

For camouflage

66
342/4

With particular geometric configuration

177
342/61

Return signal controls external device

134
342/63

Aircraft guidance

72
342/64

With map matching

84
342/65

With terrain avoidance or alarm

96
342/66

Camera

19
342/69

Device actuated by presence of land vehicle

34
342/67

Gun (e.g., fire control)

56
342/62

Missile or spacecraft guidance

227
342/68

Proximity fuze

106
342/70

Radar mounted on and controls land vehicle

881
342/71

With control of brakes or steering

245
342/72

With control of safety device (e.g., air bags)

144
342/73

Return signal controls radar system

66
342/74

Antenna control

111
342/81

Beam direction by phase or frequency control

117
342/75

Physical orientation

98
342/78

Conical scan

22
342/79

Lobe switching

10
342/80

Monopulse

69
342/76

With ground tracking

11
342/77

With signal error correction

47
342/89

Receiver

303
342/90

Automatic target detection

277
342/98

Frequency

51
342/99

Doppler frequency tracking

93
342/101

With filter control

53
342/100

Wtih local osillator control

56
342/102

Phase

27
342/103

Phase locked loop

69
342/91

Gain or threshold

174
342/92

Automatic gain control (agc)

110
342/93

Constant false alarm rate (cfar)

134
342/94

Gating

125
342/95

Automatic range tracking

158
342/96

Automatic track while scan (atws)

80
342/97

With automatic lock-on

75
342/82

Transmitter

127
342/83

Signal phase or frequency other than pulse repetition frequency (prf)

39
342/85

Function of distance

53
342/87

With constant beat frequency

18
342/86

With constant phase

10
342/84

Function of doppler frequency

29
342/88

Transmission timing (e.g., ring around)

42
342/41

Ship collision avoidance

55
342/25R

Synthetic aperture radar

170
342/25A

Mapping or imaging using synthetic aperture radar (epo)

207
342/25C

Combined with monopulse or interferometric (epo)

67
342/25F

Particular sar processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic sar, inverse sar) (epo)

143
342/25B

Specially adapted for moving target detection (epo)

33
342/25D

With frequency domain processing of the sar signals in azimuth (epo)

72
342/25E

With time domain processing of the sar signals in azimuth, e.g. time focusing (epo)

20
342/165

Testing or calibrating of radar system

325
342/173

By monitoring

306
342/174

Calibrating

471
342/169

By simulation

123
342/171

Doppler

53
342/170

Microwave

47
342/172

With delay

63
342/166

Proximity fuze

7
342/167

With laser

9
342/168

With noise generation

9
342/22

Transmission through media other than air or free space

393
342/60

Transmitting intelligence

64
342/175

With particular circuit

846
342/187

Augmenter

24
342/199

Automatic frequency control (afc)

49
342/194

Complex signal (in phase and quadrature)

420
342/195

Digital processing

1063
342/196

Fast fourier transform (fft)

532
342/197

With video quantizer

63
342/176

Display

213
342/181

Color

62
342/182

Electronic marker generation

59
342/183

Cursor

28
342/179

Image production

272
342/177

Plural

7
342/178

Projection type

4
342/185

Scan conversion

110
342/180

Stereoscopic or tridimensional

52
342/184

With stabilization (e.g., true motion, true north)

11
342/186

With sweep expansion

3
342/189

For correlation

239
342/200

For frequency modulation

106
342/201

Combined with pulse modulation

205
342/202

For pulse modulation

140
342/203

With noise reduction

75
342/204

With pulse shaping

70
342/198

For receiver protection

54
342/205

Sensitivity time control (stc)

47
342/192

Spectrum analysis

384
342/193

Harmonic

62
342/188

With polarization

178
342/190

With recording

55
342/191

Mapping

106
 
 
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