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1

DIGITAL PATTERN READING TYPE CONVERTER

2

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

3

Plural types of codes on single carrier

4

According to nonlinear function

5

For X or Y coordinate determination (e.g., stylus-pad)

6

With directional discrimination

7

Antiambiguity feature

8

Real and complementary patterns

9

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

10

Constant distance code

11

Incremental

12

Cathode ray

13

Optical

14

Having optical waveguide

15

Magnetic, inductive or capacitive

16

Brush and contacts or conductive pattern

17

Actuated by physical projection

20

BODILY ACTUATED CODE GENERATOR

21

For handicapped user

22

Including keyboard or keypad

23

Variable key legends

24

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

25

With rollover feature (i.e., antidoublestrike)

26

With particular key scanning feature

27

With audible or tactile indicator

28

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

29

With variable pulse spacing or grouping

30

For numerical pulse type transmission

31

Photoelectric actuation

32

Magnetic or inductive actuation

33

Capacitive actuation

34

Pressure sensitive actuation

35

With rotary dial

50

DIGITAL CODE TO DIGITAL CODE CONVERTERS

51

Adaptive coding

52

To or from particular bit symbol

53

Bit represented by pulse width

54

Bit represented by discrete frequency

55

Substituting specified bit combinations for other prescribed bit combinations

56

To or from multi-level codes

57

Binary to or from ternary

58

To or from minimum d.c. level codes

59

To or from run length limited codes

60

To or from packed format

61

Data rate conversion

62

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

63

To or from bit count codes

64

To or from number of pulses

65

To or from Huffman codes

66

To or from Morse code

67

To or from variable length codes

68

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

69

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

70

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

71

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

72

To or from delay modulation code (e.g., Miller code, three frequency code, MFM code)

73

To or from coded mark inversion

74

To or from double density code

75

To or from nonlinear codes

76

To or from differential codes

77

To or from delta modulation codes

78

Programmable structure

79

Tree structure

80

To or from fibonacci codes

81

To or from interleaved format

82

To or from mixed code formats

83

To or from mixed base codes

84

Binary to BCD (binary-coded decimal)

85

BCD (binary-coded decimal) to binary

86

Generator runs until new code is generated

87

Unnecessary data suppression

88

Multiple conversions using same converter

89

Reversible converters

90

To or from alphanumeric code formats

91

To or from Baudot code

92

To or from Hollerith code

93

Complementers

94

With error detection or correction

95

Byte length changed

96

To or from constant distance codes

97

Gray to binary

98

Binary to Gray

99

To or from display device codes

100

Serial to parallel

101

Parallel to serial

102

To or from "N" out of "M" codes

103

"N" out of "M" to "X" out of "Y"

104

Binary to decimal

105

Decimal to binary

106

Coding by table look-up techniques

107

To or from code based on probability

108

REVERSIBLE ANALOG TO DIGITAL CONVERTERS

109

STOCHASTIC TECHNIQUES

110

ANALOG TO DIGITAL CONVERSION FOLLOWED BY DIGITAL TO ANALOG CONVERSION

111

PHASE OR TIME OF PHASE CHANGE

112

Synchro or resolver signal

113

Coarse and fine

114

Control system

115

Converter compensation

116

Analog resolver or synchro signal to digital signal

117

Digital signal to analog resolver or synchro signal

118

CONVERTER COMPENSATION

119

Temperature compensation

120

CONVERTER CALIBRATION OR TESTING

121

Trimming control circuits

122

SAMPLE AND HOLD

123

Having variable sampling rate

124

Sampled and held input signal with linear return to datum

125

Sampled and held input signal with nonlinear return to datum

126

ANALOG TO OR FROM DIGITAL CONVERSION

127

Bipolar

128

Dual slope analog to digital converter

129

Plural slope analog to digital converter

130

Difunction code as output

131

Increasing converter resolution (e.g., dithering)

132

Detecting analog signal peak

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)

134

Integrated injection logic

135

Current mirror

136

Field effect transistor

137

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

138

Nonlinear

139

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

140

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

141

Multiplex

142

Converter is part of control loop

143

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

144

Digital to analog conversion

145

Coarse and fine conversions

146

Serial conversion

147

Function generator

148

Tree structure

149

Using magnetic or cryogenic components

150

Using charge coupled devices or switched capacitances

151

Analog output represents a displacement or force

152

With intermediate conversion of digital value to time interval

153

Using weighted impedances

154

Using ladder network

155

Analog to digital conversion

156

Coarse and fine conversions

157

Intermediate conversion to frequency or number of pulses

158

Analog input compared with static reference

159

Parallel type

160

Including priority encoder

161

Acting sequentially

162

Serial conversions with change in signal

163

Recirculating

164

Single comparator and counter

165

Single comparator and digital storage

166

Intermediate conversion to time interval

167

Dual slope

168

Plural slope

169

Input signal compared with linear ramp

170

Input signal compared with nonlinear ramp

171

Using magnetic or cryogenic components

172

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

173

CODE GENERATOR OR TRANSMITTER

174

Plural transmitters

175

With code display at transmitter

176

Transmitter for remote control signal

177

Producing different pulse frequencies

178

With variable pulse spacing or grouping

179

Plural pulse shapes

180

Plural channels

181

Carrier frequency variation

182

With variable pulse length

183

Pulse presence or absence in equal length code

184

Numerical pulse type

185

Multistage

186

With gaseous or space discharge device

187

Having counter or register

188

Serial pulse number actuation

189

Pulse gating

190

Mechanical switch feature

191

With gaseous or space discharge device feature

192

With rotary distributor

200

QUANTIZER

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MISCELLANEOUS

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