Binary counter

Details Binary counter Binary counter

2006-07-04

2006-07-04

Malzahn, D. H. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07072930

ABSTRACT:
Method for realizing a binary counter that changes a partly permuted data word stored in a non-volatile memory and including a counter and a working memory and storing a data word in the form of memory words in the non-volatile memory. The method further comprises reading the memory words of the data word and storing the memory words in the working memory while performing an inverse reordering of k permutation bits of the data word, applying an inverse bijective mapping function to the k permutation bits of the data word, altering the data word, applying a bijective mapping function to the k permutation bits of the data word, performing a reordering of the k permutation bits, and checking each memory word for deviations from the memory word stored in the non-volatile memory and storing only those memory words in the non-volatile memory again for which this is the case.

REFERENCES:
patent: 5410721 (1995-04-01), Divine et al.
patent: 5682342 (1997-10-01), Suzuki
patent: 5889693 (1999-03-01), Joshi et al.
patent: 6675188 (2004-01-01), Minami et al.

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