Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2005-09-16
2009-10-27
Verbrugge, Kevin (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S103000, C463S043000
Reexamination Certificate
active
07610462
ABSTRACT:
A gaming machine includes two persistent random access memory sections. Critical data written to one memory section is copied to the other. Systems and methods for managing the two memory sections may include a transaction engine executable on a gaming machine processor. Alternatively, the transaction engine may execute or on a memory controller implemented as an Application Specific Integrated Circuit, a separate processor, or programmable logic. A transaction state may be used to determine which of the copies in the two memory sections is valid.
REFERENCES:
patent: 2003/0069074 (2003-04-01), Jackson
“International Search Report for Application No. PCT/US2005/033035, date mailed Mar. 15, 2006”, 4 pgs.
“Written Opinion of the International Searching Authority for Application No. PCT/US2005/033035, date mailed Mar. 15, 2006”, 4 pgs.
Canterbury Stephen A.
Gagner Mark B.
Liber Nevin J.
Radek Paul
Sylla Craig J.
Schwegman Lundberg & Woessner, P.A.
Verbrugge Kevin
WMS Gaming Inc.
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