Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2007-07-10
2007-07-10
Ngo, Chuong D. (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
C708S251000
Reexamination Certificate
active
10626848
ABSTRACT:
A random number generator includes a flip-flop in which an output state (0 or 1) becomes definite according to a phase difference between signals inputted to two input units, a delay unit for producing the phase difference in these two input signals, and a feedback circuit for controlling the phase difference so that an occurrence ratio of 0 or 1 of an output from the flip-flop by the input signals is constant within a specified repetition cycle.
REFERENCES:
patent: 6247033 (2001-06-01), Kowalski
patent: 6631390 (2003-10-01), Epstein
patent: 2002/0156819 (2002-10-01), Oerlemans
patent: 48 95759 (1973-12-01), None
patent: 5 80987 (1993-04-01), None
patent: 08-227682 (1996-09-01), None
Koibuchi Misako
Shiga Takaaki
Shimizu Takakuni
Soga Ryuji
Vithanage Ananda
Bianco Paul D.
FDK Corporation
Fleit Martin
Fleit Kain Gibbons Gutman Bongini & Bianco P.L.
Ngo Chuong D.
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