Subclass |
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ClassTitle
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CODED DATA GENERATION OR CONVERSION
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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 |
899 | | MISCELLANEOUS |