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Class Information
Number: 347
Name: Incremental printing of symbolic information >
Description: This class provides for processes and apparatus for conveying information by selectively creating on a medium a visibly distinguishable symbol* or mark* composed of a plurality of portions*. The symbol* or mark* is created portion* by portion* as, for example, by pixels or dots. The symbol* or mark* may be an alphanumeric character or an image.










Class Number Class Name No. of Patents
347/900

Data processing for electrostatic recording

134
347/111

Electric marking apparatus or processes

70
347/159

By electrical discharge (e.g., spark)

32
347/161

Electrical discharge burning (e.g., oxidation or electroerosion)

43
347/162

Including driving circuitry

16
347/160

Rotary head support

22
347/163

By electrochemical

18
347/170

Housing or mounting

37
347/166

Specific head

15
347/169

Helix drum

10
347/168

Including driving circuitry

8
347/167

Including motor for driving head

6
347/164

With record receiver or handling means therefor

45
347/165

Including treating means

10
347/112

Electrostatic

226
347/120

By information carrying flow of invisible charged particles

79
347/121

Electron beam generator with air tight envelope

39
347/122

Including latent image generation using luminescent material

41
347/128

Including driving circuitry

77
347/123

Specific ionographic head

96
347/125

Fluid assisted charged particle flow or generation

55
347/126

Modified or specific fluid (e.g., heated, dehumidified, specified gas)

25
347/124

Including simultaneous development

39
347/127

Laminated head including charged particle generation layer

58
347/114

Electrothermographic

34
347/152

Housing or mounting

139
347/115

Multicolor

295
347/117

Plural heads

58
347/118

Using light as exposure means

148
347/116

Registration

490
347/119

Single head using light as exposure means

117
347/129

Photo scanning

339
347/132

Beam generator driving means

197
347/133

Having feedback or environmental control

131
347/140

Developer or charger mechanism

213
347/131

Dot density or dot size control (e.g., halftone)

338
347/138

Housing or mounting

199
347/130

Light emitting diodes

267
347/134

Optical elements interposed between record receiver and beam generator

149
347/137

Lens

74
347/135

Light intensity modulation means

84
347/136

Shutter device

73
347/139

Record receiver or conveyor means therefor

202
347/141

Specific electrostatic head

137
347/146

Character wheel

6
347/150

Composition

27
347/148

Printed circuit or wiring

58
347/142

Signal switching

60
347/143

Amplitude modulation

19
347/145

Block driving

42
347/144

Time based modulation (e.g., pulse width, duty cycle, rise time)

38
347/149

Spacing or pressure

54
347/147

Specific head tip

59
347/151

Using recording head to selectively charge toner

59
347/113

Thermoplastic

37
347/153

With medium for receiving an image or feeding means therefor

202
347/154

Endless web or belt for the latent image

100
347/157

Including cutter means

26
347/158

Including toner delivery means

138
347/155

Pre or post treatment

57
347/156

Fixing or fusing

102
347/1

Ink jet

346
347/2

Combined

539
347/3

Reproduction (e.g., facsimile, copier, etc.)

375
347/4

With conveyed object

237
347/5

Controller

1035
347/19

Measuring and testing (e.g., diagnostics)

3363
347/9

Of ejector

1309
347/12

Array

898
347/13

Full-line array

413
347/15

Creating plural tones

1286
347/10

Drive waveform

768
347/11

Plural pulses

599
347/14

Responsive to condition

1765
347/6

Of fluid (e.g., ink flow rate, viscosity, etc.)

410
347/7

Fluid content (e.g., moisture or solvent content, ink refilling, liquid level)

932
347/16

Of medium

873
347/8

Of spacing between fluid ejector and receiving medium

417
347/17

Of temperature or pressure of device or component thereof

593
347/18

With particular cooling means

172
347/20

Ejector mechanism (i.e., print head)

932
347/40

Array of ejectors

1288
347/43

Color type

1304
347/42

Full-line type

933
347/41

Interlace

680
347/73

Continuous stream (includes dispersion)

137
347/83

With aerosol formation

44
347/74

With individual drop generation and/or control

261
347/76

Drop charge means

190
347/78

Drop correction

100
347/79

Charge compensation

33
347/81

Drop sensors

88
347/80

Synchronization of drop separation and charge time

58
347/77

Drop deflection means

225
347/75

Drop generation means

186
347/82

With stream deflection

90
347/44

Discharge means

500
347/46

Free surface

167
347/47

Nozzles

1267
347/45

Surface treated

378
347/54

Drop-on-demand

1467
347/55

With electric field ejection (applied to fluid)

825
347/68

With piezoelectric force ejection

1577
347/71

Layers, plates

954
347/72

Plural piezoelectric laminate

314
347/69

Shear mode

207
347/70

With vibratory plate

756
347/56

With thermal force ejection

659
347/63

Composite ejector

617
347/65

Flow path

1307
347/64

Protective

253
347/57

Drive signal application

377
347/58

Wiring

436
347/59

Integrated

275
347/66

Head separate from fluid supply

77
347/60

Preheat

144
347/61

Thermal force generators

289
347/62

Resistor specifics

446
347/67

With additional feature

234
347/50

Electrical connector means

842
347/52

Electron beam acting on fluid

17
347/53

Magnetic

75
347/49

Modular

859
347/51

Optical energy acting on fluid

95
347/21

With additional fluid

289
347/22

With cleaning or protector

588
347/24

For color

105
347/25

Gas

93
347/26

Heat

36
347/34

Mist or dust removal

190
347/29

Nozzle cap, cover, or protection

1105
347/31

Absorber

211
347/32

Movement

682
347/30

Suction

738
347/35

Purging without a cap

442
347/23

Responsive to condition

646
347/28

Solvent

254
347/27

Vibration

71
347/36

Waste storage

376
347/33

Wiping

917
347/37

With means to scan fluid ejector relative to the receiving medium

895
347/39

With oscillatory motion

67
347/38

With rotary motion

64
347/48

With plural transducers

264
347/84

Fluid or fluid source handling means

787
347/95

Fluid (e.g., fluid specifics)

577
347/98

Colorless

180
347/97

Gas

16
347/99

Hot-melt (e.g., phase-change)

347
347/100

Ink

2445
347/96

Reactive

394
347/85

Fluid supply system

2457
347/86

Cartridge

2929
347/87

With integral ejector

814
347/88

For hot-melt fluid (e.g., phase-change)

603
347/89

With recirculation

432
347/90

Collector`s or catcher`s specifics

150
347/91

With carrier

69
347/93

With fluid treatment (e.g., filtering)

373
347/94

With means to reduce vibration in the fluid (damping)

333
347/92

With means to remove and/or accommodate bubbles in the fluid

498
347/108

Housing

531
347/109

Hand-held

292
347/101

Medium and processing means

1327
347/102

Drying or curing

1051
347/104

Physical handling

1822
347/105

Receiving medium

1108
347/106

Physical characteristics

445
347/103

Transfer of fluid to another record medium

460
347/107

With unique pattern

242
347/224

Light or beam marking apparatus or processes

463
347/225

Scan of light

228
347/226

Cathode ray device

72
347/231

Having deflecting means

34
347/228

Having developing means

61
347/230

Having optical means interposed between the screen of the cathode ray device and the record receiver

35
347/229

Synchronization of light with record receiver

68
347/227

With record receiver in an evacuated enclosure

13
347/247

Driving circuitry

461
347/246

Feedback of light for intensity control

254
347/263

Housing or mounting

222
347/232

Multicolor

400
347/233

Plural beam scan

247
347/237

Driving circuitry

515
347/236

Feed back of light for intensity control

225
347/245

Housing or mounting

158
347/235

Scan synchronization (e.g., start-of-scan, end-of-scan)

311
347/239

Specific light modulator

316
347/238

Specific light source (e.g., leds assembly)

554
347/241

Specific optical structure

500
347/242

Having mounting or supporting means

231
347/243

Including deflector

353
347/244

Specific lens

336
347/234

Synchronization of light with medium

339
347/240

Tone marking

264
347/250

Scan synchronization (e.g., start-of-scan, end-of-scan)

347
347/255

Specific light modulator

270
347/256

Specific optical structure

392
347/260

Having deflector

194
347/261

Polygon

267
347/258

Having lens

273
347/259

Including deflector

308
347/257

Having mounting or supporting means

271
347/248

Synchronization of light with medium

366
347/249

By clock deviation

120
347/251

Tone marking

255
347/252

By adjusting pulse width of light beam

154
347/254

By varying dotting density

115
347/253

By varying intensity of light beam

149
347/262

With record receiver or handling means therefor

395
347/264

With record receiver or handling means therefor

435
347/110

Marking devices

37
347/171

Thermal marking apparatus or processes

632
347/180

Block driving

101
347/182

Sequentially

68
347/181

Simultaneously

23
347/188

Density control

205
347/195

By history of recording elements

106
347/196

Using pulse width modulation

38
347/190

By number of heated recording elements

59
347/193

By transfer material or record receiver

59
347/192

By variation in power supply

64
347/189

In accordance with ambient temperature

38
347/194

In accordance with temperature of the recording means

120
347/191

In accordance with thermal output characteristic of the recording means

69
347/199

Electroconductive recording means

90
347/183

Gradational recording

154
347/184

Look up table

78
347/213

Having an intermediate medium for transferring ink

127
347/211

Having driving circuitry for recording means

242
347/222

Housing or mounting

239
347/223

Including cooling device

60
347/214

Ink cassette or cartridge

244
347/172

Multicolor

250
347/173

Single pass

63
347/174

Single-head type (e.g., multipass)

50
347/175

Having multilayers colored transfer material

99
347/176

Having single layer colored transfer material

156
347/177

Including sensor means

55
347/178

For detecting color

50
347/220

Platen or engaging means therefor

173
347/212

Pre or post image recording treatment

158
347/185

Preheating

40
347/186

Recording means

76
347/187

Transfer material or recording medium

61
347/215

Record receiver and transfer medium feeding or driving means

228
347/216

Including separating means

65
347/218

Record receiver driving means

355
347/219

Including tensioning means

55
347/197

Recording means engaging or holding means

319
347/198

Adjustable

129
347/200

Specific resistance recording element type

156
347/201

Edge or end face type

38
347/202

Glazed layer

85
347/207

Having auxiliary means for conducting heat

18
347/205

Head substrate

80
347/204

Heat resistance layer

87
347/206

Heating resistive elements

77
347/203

Protective layer

117
347/208

Specific conductor means (e.g., electrode, conducting pattern, etc.)

156
347/209

With means for driving or supplying current to the resistive heating elements

99
347/210

Including switching means

56
347/179

With correction or erasing means

102
347/221

With recording medium

151
347/217

With transfer medium or driving means therefor

325
 
 
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