Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2006-01-17
2006-01-17
Ngo, Chuong D (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
C708S404000
Reexamination Certificate
active
06988117
ABSTRACT:
A method for indexing a plurality of ordered elements stored in bit-reversed order in a first and a second memory space, the first memory space indexed by a first memory index denoting memory positions in the first memory space, the second memory space indexed by a second memory index denoting memory positions in the second memory space, the logical position of the elements within the ordered elements indexed by an element index, the method including bit-reversing the element index of a selected element, locating the selected element as being in the first memory space where the MSB of the bit-reversed index equals 0 and the second memory space where the MSB of the bit-reversed index equals 1, and locating the position of the selected element within the MSB-located memory space at the memory index of the MSB-located memory space that corresponds to the non-MSB bits of the bit-reversed index.
REFERENCES:
patent: 4916649 (1990-04-01), Yorozu et al.
patent: 5430667 (1995-07-01), Takano
patent: 6631167 (2003-10-01), Cambonie et al.
Ceva D.S.P. Ltd.
Ngo Chuong D
Pearl Cohen Zedek Latzer LLP
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