Title:
PORTABLE DEVICE AND POWER SOURCE CONTROL METHOD FOR CONTROL PART
Document Type and Number:
Japanese Patent JP2004199339
Kind Code:
A
Abstract:
To provide a portable device capable of reducing power consumption for a memory part to be refreshed.
This portable device is provided with one or more memory parts (106) having a plurality of storage areas (202) capable of storing data, one or more external storage parts (112) having a plurality of storage areas (206) capable of storing data regardless of power supply and a control part (102) for controlling power supply at least to the memory part or the external storage part according to the use status.
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Inventors:
NAGAMATSU TATSUO
Application Number:
JP2002366403A
Publication Date:
July 15, 2004
Filing Date:
December 18, 2002
Export Citation:
Assignee:
SONY CORP
International Classes:
G06F1/26; G06F1/30; G06F12/16; H04M1/73; G06F1/32; (IPC1-7): G06F1/32; G06F1/26; G06F1/30; G06F12/16; H04M1/73
Attorney, Agent or Firm:
Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Tetsuo Kanamoto
Koji Hagiwara