US PATENT SUBCLASS 341 / 50
DIGITAL CODE TO DIGITAL CODE CONVERTERS


Current as of: June, 1999
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341 /   HD   CODED DATA GENERATION OR CONVERSION

50DIGITAL CODE TO DIGITAL CODE CONVERTERS {38}
51  DF  .~> Adaptive coding
52  DF  .~> To or from particular bit symbol {2}
55  DF  .~> Substituting specified bit combinations for other prescribed bit combinations
56  DF  .~> To or from multi-level codes {1}
58  DF  .~> To or from minimum d.c. level codes
59  DF  .~> To or from run length limited codes
60  DF  .~> To or from packed format
61  DF  .~> Data rate conversion
62  DF  .~> BCD (binary-coded-decimal) to or from decimal
63  DF  .~> To or from bit count codes
64  DF  .~> To or from number of pulses {2}
67  DF  .~> To or from variable length codes
68  DF  .~> To or from NRZ (nonreturn-to-zero) codes {6}
75  DF  .~> To or from nonlinear codes
76  DF  .~> To or from differential codes {1}
78  DF  .~> Programmable structure
79  DF  .~> Tree structure
80  DF  .~> To or from fibonacci codes
81  DF  .~> To or from interleaved format
82  DF  .~> To or from mixed code formats
83  DF  .~> To or from mixed base codes {2}
86  DF  .~> Generator runs until new code is generated
87  DF  .~> Unnecessary data suppression
88  DF  .~> Multiple conversions using same converter
89  DF  .~> Reversible converters
90  DF  .~> To or from alphanumeric code formats {2}
93  DF  .~> Complementers
94  DF  .~> With error detection or correction
95  DF  .~> Byte length changed
96  DF  .~> To or from constant distance codes {2}
99  DF  .~> To or from display device codes
100  DF  .~> Serial to parallel
101  DF  .~> Parallel to serial
102  DF  .~> To or from "N" out of "M" codes {1}
104  DF  .~> Binary to decimal
105  DF  .~> Decimal to binary
106  DF  .~> Coding by table look-up techniques
107  DF  .~> To or from code based on probability


DEFINITION

Classification: 341/50

DIGITAL CODE TO DIGITAL CODE CONVERTERS:

(under the class definition) Subject matter comprising means whereby a system of digital signals representing information is changed to a different system of digital signals representing the same information.