US PATENT SUBCLASS 341 / 68
.~ To or from NRZ (nonreturn-to-zero) codes

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


341 /   HD   CODED DATA GENERATION OR CONVERSION

50  DF  DIGITAL CODE TO DIGITAL CODE CONVERTERS {38}
68.~ To or from NRZ (nonreturn-to-zero) codes {6}
69  DF  .~.~> Return-to-zero to or from NRZ (nonreturn-to-zero) codes
70  DF  .~.~> To or from bi-phase level code (e.g., split phase code, Manchester code)
71  DF  .~.~> To or from bi-phase space or mark codes (e.g., double frequency code, FM code)
72  DF  .~.~> To or from delay modulation code (e.g., Miller code, three frequency code, MFM code)
73  DF  .~.~> To or from coded mark inversion
74  DF  .~.~> To or from double density code

DEFINITION

Classification: 341/68

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

(under subclass 50) Subject matter for converting digital signals to or from a digital signal waveform wherein the signal levels do not return to zero between successive bit periods.

SEE OR SEARCH CLASS

360, Dynamic Magnetic Information Storage or Retrieval,

41, for processing of a NRZ signal in a dynamic magnetic recording or retrieval system.