
US.
Patent
Sep.
30,
2014
Sheet
4
0f6
US
8,850,241
B2
a
power
adapter
to
a
power
source
i
5%
Supply
low
power
upon
initial
connection
to
a
host
device
i
?
Detect
a
notification
from
the
host
device
]
configured
to
indicate
to
the
power
adapter
that
the host
device
is
ready
for
high
power
i
=5in
Supply
high
power
to
the host
device
in
response
to
detection
of
the
notification
500
X
.92.
Recognize
a
connection
of
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