Method and apparatus for producing a binary information for an i

Details Method and apparatus for producing a binary information for an i Method and apparatus for producing a binary information for an i

1982-10-28

1985-06-11

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

360 40, H03K 1324

Patent

active

045231818

ABSTRACT:
Method and apparatus for producing a binary information by a process comprising the steps of: dividing an input binary data sequence which has a predetermined bit cell length into blocks of a first data pattern thereby forming data blocks; converting information of said data blocks of a first data pattern into data blocks of a second data pattern; integrating accumulated charges of said converted data blocks of the second data pattern; and inverting data of a block of said second data pattern at least when said integrated amount is about to exceed a predetermined finite value in the case that an amount of accumulated charge in said second block is not zero, and producing a binary balanced output code from said second data pattern and said inverted data. By using inverted data pattern as necessary along with non-inverted data patterns it is possible to obtain a binary balanced coding wherein the minimum inversion interval is longer than a bit-cell length of the input information data and maximum inversion interval is short.

REFERENCES:
patent: 3587088 (1971-06-01), Franaszer
patent: 3631471 (1971-12-01), Griffiths
patent: 3753113 (1973-08-01), Maruta
patent: 3772680 (1973-11-01), Kawai
patent: 3913093 (1975-10-01), De Vincentiis

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