Orchard error correction system

Details Orchard error correction system Orchard error correction system

1982-01-27

1984-03-06

Atkinson, Charles E.

Excavating

G06F 1110

Patent

active

044358075

ABSTRACT:
An error correcting system involves the addition of parity type correction bits to each word in a series of digital word forming data to be transmitted or processed. When a person is passing an orchard where a field of partially grown trees are planted, you can look directly down the rows of trees perpendicular to the side of the field, and you can also look at an angle 45 degrees forward and down an open path 45 degrees to the rear of your path along the side of the orchard. In the present system, the error correction parity bits are summed over digits representing more then one vector through the words of data information, which are quite similar to the prospect along three different vectors in an orchard, as mentioned above. Following transmission through a data link in which errors may be introduced by the reversal of certain bits, the bits are summed along the same vectors in an error correcting circuit, and a pattern of error correction "flag" bits is associated with each word with the error correction bits representing sums along vectors which did not have the predetermined parity. A first error correction circuit is provided for correcting single errors within the pattern covered by the vectors; and a second multiple error correcting circuit receives the data from the first error correction circuit after the single errors have been corrected both in the data, the associated correction bits, and in the associated error detection bits, and the residual multiple errors are then corrected in this second error detection circuit. Additional levels of error correction can also be provided by increasing the number of vectors encoded and the number of correction circuits.

REFERENCES:
patent: 3008004 (1961-11-01), Young, Jr.
patent: 3387261 (1968-06-01), Betz
patent: 3439332 (1969-04-01), Cook
patent: 4044328 (1977-08-01), Herff
patent: 4201976 (1980-05-01), Patel
patent: 4205324 (1980-05-01), Patel

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