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Class Information
Number: 341
Name: Coded data generation or conversion >
Description: GENERAL STATEMENT OF THE CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
341/110

Analog to digital conversion followed by digital to analog conversion

327
341/126

Analog to or from digital conversion

298
341/155

Analog to digital conversion

3781
341/158

Analog input compared with static reference

366
341/161

Acting sequentially

653
341/159

Parallel type

583
341/160

Including priority encoder

150
341/163

Recirculating

299
341/162

Serial conversions with change in signal

239
341/164

Single comparator and counter

166
341/165

Single comparator and digital storage

132
341/156

Coarse and fine conversions

701
341/157

Intermediate conversion to frequency or number of pulses

233
341/166

Intermediate conversion to time interval

268
341/167

Dual slope

121
341/169

Input signal compared with linear ramp

160
341/170

Input signal compared with nonlinear ramp

45
341/168

Plural slope

49
341/172

Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances)

839
341/171

Using magnetic or cryogenic components

32
341/127

Bipolar

98
341/128

Dual slope analog to digital converter

48
341/129

Plural slope analog to digital converter

34
341/142

Converter is part of control loop

117
341/132

Detecting analog signal peak

74
341/143

Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation)

2333
341/130

Difunction code as output

13
341/144

Digital to analog conversion

2423
341/151

Analog output represents a displacement or force

19
341/145

Coarse and fine conversions

500
341/147

Function generator

90
341/146

Serial conversion

49
341/148

Tree structure

65
341/150

Using charge coupled devices or switched capacitances

374
341/154

Using ladder network

482
341/149

Using magnetic or cryogenic components

14
341/153

Using weighted impedances

221
341/152

With intermediate conversion of digital value to time interval

216
341/131

Increasing converter resolution (e.g., dithering)

316
341/141

Multiplex

482
341/138

Nonlinear

201
341/139

Automatic control for increasing converter range (e.g., gain ranging, automatic gain control)

459
341/140

Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer)

76
341/137

Using optical device, (e.g., fiber optics, cathode ray tubes)

161
341/133

With particular solid state devices (e.g., gunn effect device, josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals)

265
341/135

Current mirror

156
341/136

Field effect transistor

462
341/134

Integrated injection logic

35
341/20

Bodily actuated code generator

743
341/21

For handicapped user

217
341/22

Including keyboard or keypad

1706
341/33

Capacitive actuation

328
341/30

For numerical pulse type transmission

17
341/28

For pictorial or ideographic characters (e.g., design, chinese or japanese characters)

123
341/32

Magnetic or inductive actuation

78
341/31

Photoelectric actuation

213
341/34

Pressure sensitive actuation

297
341/23

Variable key legends

407
341/27

With audible or tactile indicator

153
341/24

With error prevention means (e.g., debounce, antichatter)

161
341/25

With rollover feature (i.e., antidoublestrike)

58
341/26

With particular key scanning feature

488
341/29

With variable pulse spacing or grouping

46
341/35

With rotary dial

92
341/173

Code generator or transmitter

320
341/184

Numerical pulse type

6
341/187

Having counter or register

14
341/190

Mechanical switch feature

5
341/185

Multistage

3
341/189

Pulse gating

3
341/188

Serial pulse number actuation

2
341/186

With gaseous or space discharge device

0
341/174

Plural transmitters

43
341/177

Producing different pulse frequencies

30
341/176

Transmitter for remote control signal

773
341/175

With code display at transmitter

55
341/191

With gaseous or space discharge device feature

2
341/192

With rotary distributor

9
341/178

With variable pulse spacing or grouping

33
341/181

Carrier frequency variation

16
341/180

Plural channels

75
341/179

Plural pulse shapes

10
341/183

Pulse presence or absence in equal length code

7
341/182

With variable pulse length

22
341/120

Converter calibration or testing

1419
341/121

Trimming control circuits

106
341/118

Converter compensation

1741
341/119

Temperature compensation

196
341/50

Digital code to digital code converters

1468
341/51

Adaptive coding

1345
341/62

Bcd (binary-coded-decimal) to or from decimal

13
341/104

Binary to decimal

20
341/95

Byte length changed

282
341/106

Coding by table look-up techniques

683
341/93

Complementers

34
341/61

Data rate conversion

539
341/105

Decimal to binary

11
341/86

Generator runs until new code is generated

18
341/88

Multiple conversions using same converter

29
341/101

Parallel to serial

396
341/78

Programmable structure

45
341/89

Reversible converters

29
341/100

Serial to parallel

446
341/55

Substituting specified bit combinations for other prescribed bit combinations

241
341/102

To or from "n" out of "m" codes

126
341/103

"n" out of "m" to "x" out of "y"

32
341/90

To or from alphanumeric code formats

65
341/91

To or from baudot code

11
341/92

To or from hollerith code

2
341/63

To or from bit count codes

254
341/107

To or from code based on probability

507
341/96

To or from constant distance codes

42
341/98

Binary to gray

46
341/97

Gray to binary

58
341/76

To or from differential codes

182
341/77

To or from delta modulation codes

99
341/99

To or from display device codes

17
341/80

To or from fibonacci codes

21
341/81

To or from interleaved format

99
341/58

To or from minimum d.c. level codes

547
341/83

To or from mixed base codes

60
341/85

Bcd (binary-coded decimal) to binary

22
341/84

Binary to bcd (binary-coded decimal)

24
341/82

To or from mixed code formats

35
341/56

To or from multi-level codes

160
341/57

Binary to or from ternary

123
341/75

To or from nonlinear codes

66
341/68

To or from nrz (nonreturn-to-zero) codes

174
341/69

Return-to-zero to or from nrz (nonreturn-to-zero) codes

70
341/70

To or from bi-phase level code (e.g., split phase code, manchester code)

114
341/71

To or from bi-phase space or mark codes (e.g., double frequency code, fm code)

27
341/73

To or from coded mark inversion

42
341/72

To or from delay modulation code (e.g., miller code, three frequency code, mfm code)

26
341/74

To or from double density code

4
341/64

To or from number of pulses

37
341/65

To or from huffman codes

483
341/66

To or from morse code

14
341/60

To or from packed format

187
341/52

To or from particular bit symbol

67
341/54

Bit represented by discrete frequency

32
341/53

Bit represented by pulse width

121
341/59

To or from run length limited codes

697
341/67

To or from variable length codes

1045
341/79

Tree structure

89
341/87

Unnecessary data suppression

307
341/94

With error detection or correction

257
341/1

Digital pattern reading type converter

53
341/4

According to nonlinear function

10
341/17

Actuated by physical projection

19
341/7

Antiambiguity feature

30
341/16

Brush and contacts or conductive pattern

65
341/12

Cathode ray

18
341/5

For x or y coordinate determination (e.g., stylus-pad)

125
341/9

Having combined (e.g., denominational, combination code) coding pattern

57
341/10

Constant distance code

45
341/11

Incremental

161
341/15

Magnetic, inductive or capacitive

216
341/13

Optical

435
341/14

Having optical waveguide

43
341/2

Plural denominationally related carriers (e.g., coarse/fine geared discs)

53
341/3

Plural types of codes on single carrier

29
341/8

Real and complementary patterns

15
341/6

With directional discrimination

76
341/899

Miscellaneous

31
341/111

Phase or time of phase change

123
341/112

Synchro or resolver signal

64
341/116

Analog resolver or synchro signal to digital signal

189
341/113

Coarse and fine

16
341/114

Control system

34
341/115

Converter compensation

70
341/117

Digital signal to analog resolver or synchro signal

82
341/200

Quantizer

160
341/108

Reversible analog to digital converters

68
341/122

Sample and hold

555
341/123

Having variable sampling rate

197
341/124

Sampled and held input signal with linear return to datum

26
341/125

Sampled and held input signal with nonlinear return to datum

12
341/109

Stochastic techniques

17
 
 
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