Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1986-03-03
1987-10-20
Miller, Charles D.
Communications: electrical
Audible indication
Percussion-type sound producer
364900, H03M 730
Patent
active
047017457
ABSTRACT:
A data compression system includes an input store (1) for receiving and storing a plurality of bytes of data from an outside source. Data processing means for processing successive bytes of data from the input store includes circuit means (21-25) operable to check whether a sequence of bytes is identical with a sequence of bytes already processed, output means (27) operable to apply to a transfer medium (12) each byte of data not forming part of such an identical sequence, and an encoder (26) responsive to the identification of such a sequence to apply to the transfer means (12) an identification signal which identifies both the location in the input store of the previous occurrence of the sequence of bytes and the number of bytes in the sequence.
REFERENCES:
patent: 4054951 (1977-10-01), Jackson
Ferranti plc
Miller Charles D.
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