Excavating
Patent
1981-10-13
1984-06-05
Atkinson, Charles E.
Excavating
371 38, 371 50, G06F 1110, G11C 2900
Patent
active
044532512
ABSTRACT:
In the disclosed error-correcting memory, data bits are stored in a plurality of memory arrays. Each of said arrays have their memory cells arranged in rows and columns, and a word of said data bits is read by simultaneously selecting one cell at any one row-column pair in every array of said plurality. Every row of each array of said plurality includes a means for storing at least one code bit computed from the data bits in the corresponding row. A plurality of checking means respectively coupled to said plurality of arrays for receiving and checking all of the data bits and code bits in the row in its corresponding array from which said one cell is selected to form said word. And an additional memory array means contains memory cells arranged in rows and columns for storing a parity bit at each row-column pair computed from the word of data bits in said plurality of arrays at the corresponding row-column pair.
REFERENCES:
patent: Re23601 (1952-12-01), Hamming et al.
patent: 3037697 (1962-06-01), Kahn
patent: 3876978 (1975-04-01), Bossen et al.
patent: 4103823 (1978-08-01), Aichelmann, Jr. et al.
patent: 4335460 (1982-06-01), Bolcavage et al.
Atkinson Charles E.
Burroughs Corporation
Fassbender Charles J.
Peterson Kevin R.
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