Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2007-10-02
2007-10-02
Malzahn, D. H. (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
10707701
ABSTRACT:
The present invention teaches a method for generating an output value corresponding to an input value via a first function comprising a first section and a second section with the use of a lookup table, comprising: prestoring a plurality of first sampling points corresponding only to a third section of a second function, wherein the second function further includes a fourth section and there is a first mathematical transformation between the first function and the second function; receiving the input value corresponding to the first section; generating the output value based on at least one of the first sampling points through performing the first mathematical transformation on the first sampling point; and outputting the output value.
REFERENCES:
patent: 5184317 (1993-02-01), Pickett
patent: 5359551 (1994-10-01), Pickett
patent: 5774082 (1998-06-01), Chu et al.
patent: 6167102 (2000-12-01), Hellberg
patent: 6938062 (2005-08-01), Matula et al.
Huang Yi-Chih
Wang Hai-Wei
Hsu Winston
Malzahn D. H.
Realtek Semiconductor Corp.
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