Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2007-11-13
2007-11-13
Ngo, Chuong D. (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
C708S493000
Reexamination Certificate
active
10641788
ABSTRACT:
There is provided a semiconductor circuit for arithmetic processing and an arithmetic processing method that can increase the rate of processing data and reduces the area of a circuit by suppressing wasteful processing.There is provided a computing unit for computing input data, and this computing unit computes input digit data within a computation time unit and outputs a computation result representing a result obtained by the computation, and if a carry is generated in the computation a computation circuit (adders1–3) for outputting carry data representing this carry, and delay means (memory4) for delaying the computation result from the computation circuit by one computation time unit, are provided.
REFERENCES:
patent: 4839847 (1989-06-01), Laprade
patent: 5150321 (1992-09-01), Keating
patent: 5587668 (1996-12-01), Shibata et al.
patent: 58-3028 (1983-01-01), None
patent: 4-98319 (1992-03-01), None
Fujibayashi Masanori
Imai Makoto
Kotani Koji
Nitta Takahisa
Nozawa Toshiyuki
I & F, Inc.
Kabushiki Kaisha Ultraclean Technology Research Institute
Ngo Chuong D.
Ohmi Tadahiro
Young & Thompson
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