Code modulation system using modulated data code tables

Details Code modulation system using modulated data code tables Code modulation system using modulated data code tables

1991-07-12

1993-03-23

Pellinen, A. D.

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

341 51, H03M 700

Patent

active

051968487

ABSTRACT:
A code modulation system wherein an 8-bit input is converted to a 14-bit code by creating modulated data code tables and associating a given 8-bit input with a particular table based on the Digital Sum Variation value, the Non-Return to Zero Inverted waveform polarity, and the end-bit value of the preceding 14-bit modulated code.

REFERENCES:
patent: 4520346 (1985-05-01), Shimada
patent: 4731678 (1988-03-01), Takeuchi
patent: 4775985 (1988-10-01), Busby
ITEJ Technical Report, vol. 14, No. 20, pp. 49-54; T. Uehara et al. Mar. 22, 1990, "A New 8/14 Modulation and its Application to a Small Format", Digital VTR.
Vol. 32, No. 4, National Technical Report, pp. 14-17, (Aug. 1986).

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