Communication device performing code conversion between binary d

Details Communication device performing code conversion between binary d Communication device performing code conversion between binary d

1995-07-26

1997-11-04

Hoff, Marc S.

Coded data generation or conversion

Digital code to digital code converters

To or from 'n' out of 'm' codes

341 95, H03M 720

Patent

active

056844794

ABSTRACT:
A communication device assuring reliable and effective data transfer. Receiving a signal from a transmit timing generator, a communication control circuit sequentially transfers block data in RAM to an encoder. In response to a control signal from the communication control circuit, the encoder outputs a communication control signal, which comprises 6 bits of 0 and 6 bits of 1 and is indicative of the start of communication data, converting 8-bit parallel data (received from the RAM) into a 12-bit code comprising 6 bits of 0 and 6 bits of 1, and outputting a communication control signal indicative of the end of the communication data. The signals from the encoder are outputted as a serial signal, (which is free from any DC component) from a shift register and a driver.

REFERENCES:
patent: 4020282 (1977-04-01), Halpern
patent: 4216460 (1980-08-01), Baldwin et al.
patent: 4517552 (1985-05-01), Shirota et al.
patent: 4677421 (1987-06-01), Taniyama
patent: 5025256 (1991-06-01), Stevens
patent: 5387911 (1995-02-01), Gleichert et al.

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