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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

266
341/126

Analog to or from digital conversion

232
341/155

Analog to digital conversion

2505
341/158

Analog input compared with static reference

301
341/161

Acting sequentially

447
341/159

Parallel type

483
341/160

Including priority encoder

114
341/163

Recirculating

197
341/162

Serial conversions with change in signal

163
341/164

Single comparator and counter

111
341/165

Single comparator and digital storage

107
341/156

Coarse and fine conversions

528
341/157

Intermediate conversion to frequency or number of pulses

188
341/166

Intermediate conversion to time interval

195
341/167

Dual slope

111
341/169

Input signal compared with linear ramp

99
341/170

Input signal compared with nonlinear ramp

29
341/168

Plural slope

40
341/172

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

613
341/171

Using magnetic or cryogenic components

31
341/127

Bipolar

98
341/128

Dual slope analog to digital converter

43
341/129

Plural slope analog to digital converter

28
341/142

Converter is part of control loop

67
341/132

Detecting analog signal peak

65
341/143

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

1806
341/130

Difunction code as output

6
341/144

Digital to analog conversion

1848
341/151

Analog output represents a displacement or force

13
341/145

Coarse and fine conversions

398
341/147

Function generator

73
341/146

Serial conversion

38
341/148

Tree structure

60
341/150

Using charge coupled devices or switched capacitances

302
341/154

Using ladder network

415
341/149

Using magnetic or cryogenic components

10
341/153

Using weighted impedances

185
341/152

With intermediate conversion of digital value to time interval

170
341/131

Increasing converter resolution (e.g., dithering)

268
341/141

Multiplex

404
341/138

Nonlinear

170
341/139

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

383
341/140

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

52
341/137

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

131
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)

240
341/135

Current mirror

129
341/136

Field effect transistor

374
341/134

Integrated injection logic

33
341/20

Bodily actuated code generator

542
341/21

For handicapped user

169
341/22

Including keyboard or keypad

1309
341/33

Capacitive actuation

241
341/30

For numerical pulse type transmission

12
341/28

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

95
341/32

Magnetic or inductive actuation

62
341/31

Photoelectric actuation

196
341/34

Pressure sensitive actuation

242
341/23

Variable key legends

334
341/27

With audible or tactile indicator

120
341/24

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

130
341/25

With rollover feature (i.e., antidoublestrike)

51
341/26

With particular key scanning feature

427
341/29

With variable pulse spacing or grouping

37
341/35

With rotary dial

69
341/173

Code generator or transmitter

180
341/184

Numerical pulse type

3
341/187

Having counter or register

10
341/190

Mechanical switch feature

4
341/185

Multistage

0
341/189

Pulse gating

3
341/188

Serial pulse number actuation

1
341/186

With gaseous or space discharge device

0
341/174

Plural transmitters

33
341/177

Producing different pulse frequencies

23
341/176

Transmitter for remote control signal

582
341/175

With code display at transmitter

46
341/191

With gaseous or space discharge device feature

2
341/192

With rotary distributor

7
341/178

With variable pulse spacing or grouping

26
341/181

Carrier frequency variation

12
341/180

Plural channels

6
341/179

Plural pulse shapes

8
341/183

Pulse presence or absence in equal length code

5
341/182

With variable pulse length

19
341/120

Converter calibration or testing

1004
341/121

Trimming control circuits

67
341/118

Converter compensation

1296
341/119

Temperature compensation

128
341/50

Digital code to digital code converters

1125
341/51

Adaptive coding

981
341/62

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

12
341/104

Binary to decimal

20
341/95

Byte length changed

265
341/106

Coding by table look-up techniques

574
341/93

Complementers

33
341/61

Data rate conversion

461
341/105

Decimal to binary

9
341/86

Generator runs until new code is generated

18
341/88

Multiple conversions using same converter

28
341/101

Parallel to serial

285
341/78

Programmable structure

40
341/89

Reversible converters

25
341/100

Serial to parallel

328
341/55

Substituting specified bit combinations for other prescribed bit combinations

193
341/102

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

119
341/103

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

29
341/90

To or from alphanumeric code formats

50
341/91

To or from baudot code

10
341/92

To or from hollerith code

2
341/63

To or from bit count codes

226
341/107

To or from code based on probability

334
341/96

To or from constant distance codes

35
341/98

Binary to gray

40
341/97

Gray to binary

48
341/76

To or from differential codes

152
341/77

To or from delta modulation codes

86
341/99

To or from display device codes

16
341/80

To or from fibonacci codes

16
341/81

To or from interleaved format

76
341/58

To or from minimum d.c. level codes

462
341/83

To or from mixed base codes

48
341/85

Bcd (binary-coded decimal) to binary

20
341/84

Binary to bcd (binary-coded decimal)

22
341/82

To or from mixed code formats

31
341/56

To or from multi-level codes

120
341/57

Binary to or from ternary

111
341/75

To or from nonlinear codes

60
341/68

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

161
341/69

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

60
341/70

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

87
341/71

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

25
341/73

To or from coded mark inversion

39
341/72

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

22
341/74

To or from double density code

4
341/64

To or from number of pulses

32
341/65

To or from huffman codes

355
341/66

To or from morse code

9
341/60

To or from packed format

162
341/52

To or from particular bit symbol

52
341/54

Bit represented by discrete frequency

24
341/53

Bit represented by pulse width

98
341/59

To or from run length limited codes

603
341/67

To or from variable length codes

839
341/79

Tree structure

68
341/87

Unnecessary data suppression

222
341/94

With error detection or correction

216
341/1

Digital pattern reading type converter

44
341/4

According to nonlinear function

9
341/17

Actuated by physical projection

16
341/7

Antiambiguity feature

30
341/16

Brush and contacts or conductive pattern

62
341/12

Cathode ray

18
341/5

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

118
341/9

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

54
341/10

Constant distance code

44
341/11

Incremental

142
341/15

Magnetic, inductive or capacitive

203
341/13

Optical

397
341/14

Having optical waveguide

41
341/2

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

52
341/3

Plural types of codes on single carrier

27
341/8

Real and complementary patterns

15
341/6

With directional discrimination

73
341/899

Miscellaneous

31
341/111

Phase or time of phase change

96
341/112

Synchro or resolver signal

53
341/116

Analog resolver or synchro signal to digital signal

169
341/113

Coarse and fine

14
341/114

Control system

30
341/115

Converter compensation

60
341/117

Digital signal to analog resolver or synchro signal

53
341/200

Quantizer

136
341/108

Reversible analog to digital converters

62
341/122

Sample and hold

428
341/123

Having variable sampling rate

171
341/124

Sampled and held input signal with linear return to datum

23
341/125

Sampled and held input signal with nonlinear return to datum

9
341/109

Stochastic techniques

12
 
 
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