Digital code conversion apparatus

Details Digital code conversion apparatus Digital code conversion apparatus

1987-12-22

1990-09-04

Shoop, Jr., William M.

Coded data generation or conversion

Digital code to digital code converters

Serial to parallel

341 68, 341101, H03M 900

Patent

active

049548263

ABSTRACT:
A digital code modulation circuit converts input data formed of sequentially received serial data into parallel data such that each parallel data has input data for reference in both preceding and following parallel data, and thereupon applies a code conversion to the parallel data and thereby executes modulation of the input data in parallel. Conversely, a digital code demodulation circuit applies a code conversion to input data formed of serial data sequentially input thereto to form parallel data such that each parallel data has input data for reference in both the preceding and following parallel data and thereby executes demodulation of the input data in parallel.

REFERENCES:
patent: 4218675 (1980-08-01), Shaw et al.
patent: 4672362 (1987-07-01), Furukawa et al.
patent: 4901076 (1990-02-01), Askin et al.
Patent Abstracts of Japan, unexamined applns., P field, vol. 9, No. 276, 11/2/85, The Office Japanese Government, p. 162, P 402, Kokai-No. 60-121-572.
Patent Abstracts of Japan, unexamined applns., P field, vol. 9, No. 227, 9/13/85, The Patent Office Japanese Government, p. 27, P 388, Kokai-No. 60-83 261.

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