Title:
MOBILE COMMUNICATION TERMINAL DEVICE
Document Type and Number:
Japanese Patent JP3406867
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prolong the life of a battery by suppressing an increase in power consumption as much as possible.
SOLUTION: An electrification control part 7 with an electrification control table is provided and ON/OFF states of electrification to respective circuit parts are stored corresponding to all the operation modes that the device has. When an operation mode is reported by a main control circuit 11 prior to operation, the output Vcc of a power circuit 6 is supplied to only irreducible circuit parts needed to implement the operation mode according to the operation mode and the storage contents of the electrification control table 7 and the electrification to other circuit parts is cut off or reduced.
Inventors:
Seiichi Okamoto
Kennori Yamaguchi
Kouichi Ito
Kennori Yamaguchi
Kouichi Ito
Application Number:
JP27625799A
Publication Date:
May 19, 2003
Filing Date:
September 29, 1999
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H04B7/26; H04L12/28; H04W52/02; H04W72/02; H04W76/02; H04W88/02; H04W88/06; H04M1/73; (IPC1-7): H04B7/26; H04Q7/38
Domestic Patent References:
| JP9163450A | ||||
| JP6232805A | ||||
| JP5268138A | ||||
| JP514258A | ||||
| JP9172678A | ||||
| JP11308666A | ||||
| JP11340903A | ||||
| JP2000253448A |
Attorney, Agent or Firm:
Takehiko Suzue (6 outside)