
US.
Patent
Sep.
30,
2014
Sheet
5
0f6
US
8,850,241
B2
600
~\
592
Obtain
a low
power
supply
from
a
power
adapter
in
a low
power
supply
mode
l
6%
Detect
connection
of
the
power
adapter
to
an
adapter
interface
of
the
host
device
m
Ready
for
high
power?
No
@
Generate
a
noti?cation
for
communication
to
the
power
adapter
to
cause
the
power
adapter
to
switch
to
a
high
power
supply
mode
1
5.1.9.
Obtain
a
high
power
supply
from
the
power
adapter
in
response
to
communication
of
the
noti?cation
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