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Title:
PC CARD
Document Type and Number:
Japanese Patent JP3291935
Kind Code:
B2
Abstract:

PURPOSE: To places the PC card in power-down mode even while the card is connected to a data terminal device by providing a detection part which detects the connection state of a connector, and setting the PC card in normal mode as its operation state when the connector is connected or in the power- down mode in other cases.
CONSTITUTION: In a PC card modem, the connector 2, the detection part 3, a CPU 4, and an electric power control part 5 are provided. The connector 2 of the PC card modem is connected to a connector 1. The detection part 3 is connected to the connector 2 and whether or not the connector 1 and 2 are connected to each other is detected. The CPU 4 judges the connection state between the connectors 1 and 2 that is detected by the detection part 3 and controls the electric power control part 5. The electric power control part 4 sets the PC card modem to the power-down mode unless the connectors 1 and 2 are connected or in the normal mode as the operation state when the connectors are connected.


Inventors:
Yoshihiko Isojima
Application Number:
JP23905994A
Publication Date:
June 17, 2002
Filing Date:
October 03, 1994
Export Citation:
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Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
G06F1/32; G06F1/18; G06K19/07; H04M11/00; (IPC1-7): G06F1/32; G06F1/18; G06K19/07
Domestic Patent References:
JP830754A
JP4170690A
JP6284819U
JP1142077U
JP6223078U



 
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