CPU controlled apparatus formed on an IC
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 1996
Grant Date -
N/A
app pub date -
Apr 25, 1994
filing date -
Apr 25, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a game software apparatus, a ROM incorporating a program, a decoder for supplying a selection signal of the ROM, a backup RAM for holding a function from a CPU incorporated in a game machine and a decoder for controlling the RAM are activated by a power supplied from the game machine. When the power from the game machine is cut off, the power source is changed by a changeover circuit so that power is supplied from a battery incorporated in the game software apparatus to the RAM and to the decoder while the power from the game machine is being cut. The two decoders and the changeover circuit are provided on a one-chip IC.
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