US PATENT SUBCLASS 341 / 73
.~.~ To or from coded mark inversion


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

50  DF  DIGITAL CODE TO DIGITAL CODE CONVERTERS {38}
68  DF  .~ To or from NRZ (nonreturn-to-zero) codes {6}
73.~.~ To or from coded mark inversion


DEFINITION

Classification: 341/73

To or from coded mark inversion:

(under subclass 68) Subject matter where data is represented by a code where zeros are represented by a 01 during each bit cell and ones are represented by 11 or 00 alternately during each bit cell, Also called binary coded alternate mark inversion.

(1) Note. See U.S. Patent No. 4,325,053 for an example.