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8,850,241
B2
3
a
?exible
hinge
106.
The
computing
device
102
may
be
con?gured
in
a
variety
of
ways.
For
example,
the
computing
device
102
may
be
con?gured
for
mobile
use,
such
as
a
mobile
phone,
a
tablet
computer
as
illustrated,
and
so
on.
Thus,
the
computing
device
102
may
range
from
full
resource
devices
with
substantial
memory
and
processor
resources
to
a
low-resource
device
with
limited
memory
and/or
processing
resources.
The
computing
device
102
may
also
relate
to
soft
ware
that
causes
the
computing
device
102
to
perform
one
or
more
operations.
The
computing
device
102,
for
instance,
is
illustrated
as
including
an
input/
output
module
108.
The
input/
output
mod
ule
108
is
representative
of
functionality
relating
to
process
ing
of
inputs
and
rendering
outputs
of
the
computing
device
102.
A
variety
of
different
inputs
may
be
processed
by
the
input/output
module
108,
such
as
inputs
relating
to
functions
that
correspond
to
keys
of
the input
device,
keys of
a
virtual
keyboard
displayed
by
the
display
device
110
to
identify
gestures
and
cause
operations
to
be
performed
that
corre
spond
to
the gestures
that
may
be
recognized
through
the
input
device
104
and/or
touchscreen
functionality
of
the
dis
play
device
110,
and
so
forth.
Thus,
the
input/
output
module
108
may
support
a
variety
of
different
input
techniques
by
recognizing
and
leveraging
a
division
between
types
of
inputs
including
key
presses,
gestures,
and
so
on.
In the
illustrated
example,
the input
device
104
is
con?g
ured
as
a
keyboard
having
a
QWERTY
arrangement
of
keys
although
other
arrangements
of
keys
are
also
contemplated.
Further,
other
non-conventional
con?gurations
are
also
con
templated,
such
as
a
game
controller,
con?guration
to
mimic
a
musical
instrument,
and
so
forth.
Thus,
the
input
device
104
and
keys
incorporated
by
the input
device
104
may
assume
a
variety
of
different
con?gurations
to
support
a
variety
of
different
functionality.
As
previously
described,
the
input
device
104
is
physically
and
communicatively
coupled
to
the
computing
device
102
in
this
example
through
use
of
a
?exible
hinge
106.
The
?exible
hinge
1
06
is
?exible
in that
rotational
movement
supported
by
the
hinge
is
achieved
through
?exing
(e.g.,
bending)
of
the
material
forming
the
hinge
as
opposed
to
mechanical
rotation
as
supported
by
a
pin,
although
that
embodiment
is
also
contemplated.
Further,
this
?exible
rotation
may
be
con?g
ured
to
support
movement
in
one
direction
(e.g.,
vertically
in
the
?gure)
yet
restrict
movement
in
other
directions,
such
as
lateral
movement
of
the input
device
104
in
relation
to
the
computing
device
102.
This
may
be
used
to
support
consistent
alignment
of
the input
device
104
in
relation
to
the
computing
device
102,
such
as to
align
sensors
used
to
change
power
states,
application
states,
and
so
on.
The
?exible
hinge
106,
for
instance,
may
be
formed
using
one
or
more
layers
of
fabric
and
include
conductors
formed
as
?exible
traces
to
communicatively
couple
the
input
device
104
to
the
computing
device
102
and
vice
versa.
This
com
munication,
for
instance,
may
be
used
to
communicate
a
result
of
a
key
press
to
the
computing
device
102,
receive
power
from
the
computing
device,
perform
authentication,
provide
supplemental
power
to
the
computing
device
102,
and
so
on.
The
?exible
hinge
106
may
be
con?gured
in
a
variety
of
ways,
further
discussion
of
which
may
be
found
in
relation
to
the
following
?gure.
As
further
illustrated
in
FIG.
1
the
computing
device
102
may
include
a
power
controller
112
that
implements
aspects
of
multi-stage
power
adapter
techniques
described
herein.
The
power
controller
112
represents
functionality
of
the
com
puting
device
to
perform
various
operations
for
power
man
agement.
This
may
include
management
of
different
power
sources
and
switching
between
the
sources,
implementing
a
20
25
30
35
40
45
50
55
60
65
4
de?ned
and/
or
selected
power
management
scheme,
manag
ing
battery
life,
and
so
forth.
The
power
controller
112
may
also
facilitate
connections
and
communications
with
a
power
adapter
114
con?gured
to
supply
power
to
the
device
via a
suitable
power
source
116,
such
as
a
wall
socket,
external
battery,
or
other
external
source
of
power.
The
power
control
ler
112
may
be
implemented
in
hardware,
software,
?rmware
and/or
combinations
thereof.
By
way
of
example
and
not
limitation,
the
computing
device
102
may
include
a
micro
controller
or
other
suitable
hardware
logic
device
con?gured
to
implement
various
functionally
that
is
described
herein
in
relation
to
power
controller
112.
In
addition
or
alternatively,
the
power
controller
112
may
be
implemented
by
way
of
a
processing
system of
the
device
and
one
or
more
program
modules
that
are
executable/operable
via the
processing
sys
tem.
Further
description
of
example
implementations
suit
able
for
the
power
controller
112
and
other
described
mod
ules/
functionality
can
be
found
below
in
relation
to
the
discussion
of an
example
computing
device
depicted
in
FIG.
7.
The
power
adapter
114
may
be
con?gured
to
selectively
operate
in
multiple
modes
and
supply
multiple
power
levels
to
the
computing
device.
The
level
of
power
supplied
at
a
par
ticular
time
may
be based
upon
input,
noti?cations,
or
other
suitable
feedback
con?gured and
sent
to
the
power
adapter
114
by
the
power
controller
112
to
cause
the
power
adapter
114
to
supply
a
corresponding
level
of
power.
Further
details
regarding
operation
of
the
power
controller
112
and
the
power
adapter
114
to
implement
multi-stage
power
adapter
tech
niques
can
be
found
in
the
following
discussion.
FIG.
2
depicts
an
example
implementation
200
of
the
input
device
104
of FIG.
1
as
showing
the
?exible
hinge
106
in
greater
detail.
In
this
example,
a
connectionportion
202
of
the
input
device
is
shown
that
is
con?gured
to
provide
a
commu
nicative
and
physical
connection
between
the
input
device
104
and
the
computing
device
102.
In
this
example,
the
con
nection
portion
202
has
a
height
and
cross
section
con?gured
to
be
received
in
a
channel
in
the
housing
of
the
computing
device
102,
although
this
arrangement
may
also
be
reversed
without
departing
from
the
spirit
and
scope
thereof.
The
connection
portion
202
is
?exibly
connected
to
a
por
tion
of
the input
device
104
that
includes
the
keys
through
use
of
the
?exible
hinge
106.
Thus,
when
the
connection
portion
202
is
physically
connected
to
the
computing
device
the
combination
of
the
connection
portion
202
and
the
?exible
hinge
106
supports
movement
of
the
input
device
104
in
relation
to
the
computing
device
102
that
is
similar
to
a
hinge
of
a
book.
For
example,
rotational
movement
may
be
supported
by
the
?exible
hinge
106
such
that
the input
device
104
may
be
placed
against
the
display
device
110
of
the
computing
device
102
and
thereby
act as
a
cover.
The
input
device
104
may
also
be
rotated
so
as
to
be
disposed
against a
back
of
the
computing
device
102,
e.g.,
against
a
rear
housing
of
the
computing
device
102
that
is
disposed
opposite
the
display
device
110
on
the
computing
device
102.
Naturally,
a
variety
of
other
orientations
are
also
supported.
For
instance,
the
computing
device
102
and
input
device
104
may
assume
an
arrangement
such
that
both
are
laid
?at
against
a surface
as
shown
in
FIG.
1.
In
another
instance,
a
typing
arrangement
may
be
supported
in
which
the
input
device
104
is
laid
?at
against
a surface
and
the
computing
device
102
is
disposed
at
an
angle
to
permit
viewing of
the
display
device
110,
e.g.,
such
as
through
use
of
a
kickstand
disposed
on
a
rear
surface
of
the
computing
device
102.
Other
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