Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2008-07-15
2008-07-15
Malzahn, David H (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
10923122
ABSTRACT:
In an embodiment of the invention, an apparatus for generating a maximum change data pattern, includes: a shift stage configured to shift a generated signal to the right by one bit and to generate a shifted signal; a logic stage configured to perform an XOR function on the signal and the shifted signal, and generate an XOR output signal; a complement stage configured to complement the XOR output signal, and to generate a complement stage output signal; and a selector configured to select the XOR output signal if the generated signal is even and to select the complement stage output signal if the generated signal is odd.
REFERENCES:
patent: 5313424 (1994-05-01), Adams et al.
patent: 6026505 (2000-02-01), Hedberg et al.
patent: 6060898 (2000-05-01), Arkin
patent: 6970798 (2005-11-01), Cao et al.
Hewlett--Packard Development Company, L.P.
Malzahn David H
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