Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2005-01-25
2005-01-25
Ngo, Chuong Dinh (Department: 2124)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
06847986
ABSTRACT:
A higher-radix type divider is provided which is capable of obtaining a quotient at a high speed by performing a scaling on a divisor and by representing a partial remainder in a redundant binary notation.The divider for obtaining the quotient by referring to the divisor and dividend normalized respectively so as to satisfy a range of ½Kor more and less an ½K+1(k being a positive integer) and to a length of bits, out of all bits of the partial remainder, defined by a radix for operations and a maximum number of digits, is provided with a scaling factor generating section, a multiplying section, a divisor tripled-number generating section and a repetitive operating section.
REFERENCES:
patent: 4949295 (1990-08-01), Stearns
patent: 5777917 (1998-07-01), Chung
patent: 5818745 (1998-10-01), Sheaffer
patent: 5910910 (1999-06-01), Steele, Jr.
patent: 7-248899 (1995-09-01), None
patent: 2000-10763 (2000-01-01), None
Japanese Article, “Design of a Radix-4 Divider Without a Quotient Selection Table” by O.Miura, et al. (Proceedings of the 1998 Conference of The Institute of Electronics, Information and Communication Engineers, Japan, Electronics [2]), p. 154.
Japanese Article, “High-speed Operation Methods of a Computer” (Kindai Kagaku Co., Ltd. 1980) p:214-249.
NEC Corporation
Ngo Chuong Dinh
Scully Scott Murphy & Presser
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