Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2003-04-03
2008-08-19
Ngo, Chuong D (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
07415494
ABSTRACT:
A method of dividing, in a micro computer unit (MCU), a first binary number (N), having a first number of significant bits, by a second binary number (D), having a second number of significant bits, produces an integer result (Y). The method includes: determining the difference (K) between the first and second numbers of significant bits; aligning the most significant bits (MSBs) of N and D by shifting the bits of D, by K bit positions, such that its MSB occupies the same relative bit position as the MSB of N; repeating K times: multiplying Y by 2; dividing D by 2; and, if N is greater than or equal to D: increasing Y by 1; setting N equal to N−D.
REFERENCES:
patent: 4881193 (1989-11-01), Hamada et al.
patent: 5596519 (1997-01-01), Van Aken et al.
patent: 5805489 (1998-09-01), Fernando
patent: 6061781 (2000-05-01), Jain et al.
Aldridge Christopher Anthony
Kang Chia Kwang
Tan Wee Tiong
Evans Jason T.
Jorgenson Lisa K.
National University of Singapore
Ngo Chuong D
Seed IP Law Group PLLC
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