Multiplex communications – Communication over free space – Signaling for performing battery saving
Reexamination Certificate
2011-05-31
2011-05-31
Jung, Min (Department: 2472)
Multiplex communications
Communication over free space
Signaling for performing battery saving
C455S574000
Reexamination Certificate
active
07953031
ABSTRACT:
Methods and apparatus are provided for enabling an apparatus having a wireless module mounted thereon to detect an access point while saving power consumption in a battery. An apparatus according to the present invention preferably has a system main body, a cover which covers a surface of the system main body, an antenna disposed to the cover, a lid sensor which detects that the cover is opened from the system main body and outputs a lid event signal, a wireless module which is connected with the antenna and detects an access point upon receiving a power, and a power supply module. This power supply module supplies the power to the wireless module in response to output of the lid event signal from the lid sensor. As a result, even if this portable computer is in an OFF state, the power is supplied to the wireless module when the cover is opened, thereby detecting an access point.
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Katoh Takayuki
Tsukamoto Yasumichi
Ference & Associates LLC
Jung Min
Lenovo ( Singapore) Pte. Ltd.
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