<s>
The	O
Sixaxis	B-Device
(	O
trademarked	O
SIXAXIS	B-Device
)	O
is	O
a	O
wireless	O
gamepad	B-Device
produced	O
by	O
Sony	O
for	O
their	O
PlayStation	B-Operating_System
3	I-Operating_System
video	B-Application
game	I-Application
console	I-Application
.	O
</s>
<s>
It	O
was	O
introduced	O
alongside	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
in	O
2006	O
and	O
remained	O
the	O
console	O
's	O
official	O
controller	O
until	O
2008	O
.	O
</s>
<s>
The	O
Sixaxis	B-Device
was	O
succeeded	O
by	O
the	O
DualShock	B-Device
3	O
,	O
an	O
updated	O
version	O
of	O
the	O
controller	O
that	O
,	O
like	O
the	O
DualShock	B-Device
and	O
DualShock	B-Device
2	O
controllers	O
,	O
incorporates	O
haptic	B-Device
technology	I-Device
–	O
also	O
known	O
as	O
force	B-Device
feedback	I-Device
.	O
</s>
<s>
A	O
Sixaxis	B-Device
controller	I-Device
can	O
also	O
be	O
used	O
with	O
PSP	O
Go	O
via	O
Bluetooth	B-Protocol
after	O
registering	O
the	O
controller	O
on	O
a	O
PlayStation	B-Operating_System
3	I-Operating_System
console	O
.	O
</s>
<s>
The	O
DualShock	B-Device
3	O
was	O
originally	O
intended	O
to	O
be	O
bundled	O
with	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
in	O
time	O
for	O
the	O
console	O
's	O
launch	O
.	O
</s>
<s>
The	O
legal	O
battle	O
led	O
to	O
a	O
decision	O
to	O
remove	O
the	O
vibration	O
capabilities	O
from	O
the	B-Operating_System
PS3	I-Operating_System
controller	O
's	O
initial	O
design	O
,	O
which	O
became	O
known	O
as	O
Sixaxis	B-Device
.	O
</s>
<s>
The	O
term	O
"	O
sixaxis	B-Device
"	O
is	O
also	O
used	O
to	O
refer	O
to	O
the	O
motion-sensing	O
technology	O
in	O
PlayStation	B-Operating_System
3	I-Operating_System
controllers	O
.	O
</s>
<s>
At	O
E3	O
2005	O
,	O
Sony	O
showcased	O
their	O
"	O
boomerang	O
"	O
design	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
's	O
controller	O
.	O
</s>
<s>
At	O
E3	O
2006	O
,	O
Sony	O
announced	O
that	O
the	O
boomerang	O
design	O
had	O
been	O
replaced	O
by	O
the	O
Sixaxis	B-Device
;	O
a	O
wireless	O
,	O
motion	O
sensitive	O
controller	O
,	O
similar	O
in	O
overall	O
design	O
to	O
the	O
earlier	O
PlayStation	O
DualShock	B-Device
controllers	O
.	O
</s>
<s>
The	O
controller	O
was	O
bundled	O
with	O
all	O
new	O
systems	O
from	O
launch	O
,	O
until	O
the	O
introduction	O
of	O
the	O
80	O
GB	O
(	O
CECHKxx	O
,	O
CECHLxx	O
&	O
CECHMxx	O
)	O
model	O
,	O
which	O
substituted	O
the	O
Sixaxis	B-Device
with	O
the	O
new	O
DualShock3	O
which	O
added	O
a	O
vibration	O
feature	O
while	O
retaining	O
the	O
design	O
,	O
features	O
and	O
functionality	O
of	O
the	O
Sixaxis	B-Device
.	O
</s>
<s>
The	O
Sixaxis	B-Device
controller	I-Device
was	O
later	O
phased	O
out	O
and	O
replaced	O
by	O
the	O
DualShock	B-Device
3	O
controller	O
completely	O
and	O
is	O
no	O
longer	O
being	O
produced	O
in	O
any	O
region	O
.	O
</s>
<s>
The	O
Sixaxis	B-Device
survived	O
longest	O
in	O
Europe	O
,	O
where	O
the	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
4	I-Application
:	I-Application
Guns	I-Application
of	I-Application
the	I-Application
Patriots	I-Application
PlayStation	B-Operating_System
3	I-Operating_System
bundle	O
,	O
released	O
in	O
summer	O
of	O
2008	O
,	O
included	O
a	O
Sixaxis	B-Device
.	O
</s>
<s>
In	O
2011	O
,	O
Sony	O
announced	O
that	O
their	O
new	O
handheld	O
,	O
the	O
PlayStation	B-Device
Vita	I-Device
,	O
would	O
have	O
Sixaxis	B-Device
motion-sensing	O
capabilities	O
.	O
</s>
<s>
A	O
major	O
feature	O
of	O
the	O
Sixaxis	B-Device
controller	I-Device
,	O
and	O
from	O
where	O
its	O
name	O
is	O
derived	O
,	O
is	O
the	O
ability	O
to	O
sense	O
both	O
rotational	O
orientation	O
and	O
translational	B-Algorithm
acceleration	O
along	O
all	O
three-dimensional	O
axes	O
,	O
providing	O
six	O
degrees	O
of	O
freedom	O
.	O
</s>
<s>
This	O
became	O
a	O
matter	O
of	O
controversy	O
,	O
as	O
the	O
circumstances	O
of	O
the	O
announcement	O
,	O
made	O
less	O
than	O
eight	O
months	O
after	O
Nintendo	O
revealed	O
motion-sensing	O
capabilities	O
in	O
its	O
new	O
game	O
console	O
controller	O
(	O
see	O
Wii	B-Device
Remote	I-Device
)	O
,	O
led	O
to	O
speculation	O
that	O
the	O
addition	O
of	O
motion-sensing	O
was	O
a	O
late-stage	O
decision	O
by	O
Sony	O
to	O
follow	O
Nintendo	O
's	O
move	O
.	O
</s>
<s>
Further	O
fueling	O
the	O
speculation	O
was	O
the	O
fact	O
that	O
Warhawk	B-Application
was	O
the	O
only	O
game	O
shown	O
at	O
E3	O
that	O
year	O
which	O
demonstrated	O
the	O
motion-sensing	O
feature	O
.	O
</s>
<s>
Also	O
,	O
some	O
comments	O
from	O
Incognito	O
Entertainment	O
,	O
the	O
developer	O
behind	O
Warhawk	B-Application
,	O
said	O
that	O
it	O
received	O
development	O
controllers	O
with	O
the	O
motion-sensing	O
feature	O
only	O
10	O
days	O
or	O
so	O
before	O
E3	O
.	O
</s>
<s>
The	O
Sixaxis	B-Device
features	O
finer	O
analog	O
sensitivity	O
than	O
the	O
DualShock	B-Device
2	O
,	O
increased	O
to	O
10-bit	O
precision	O
from	O
the	O
8-bit	O
precision	O
of	O
the	O
DualShock	B-Device
2	O
.	O
</s>
<s>
In	O
the	O
place	O
of	O
the	O
"	O
Analog	O
"	O
mode	O
button	O
of	O
previous	O
Sony	O
dual	B-Device
analog	I-Device
controllers	I-Device
(	O
Dual	B-Device
Analog	I-Device
,	O
DualShock	B-Device
and	O
DualShock	B-Device
2	O
)	O
is	O
a	O
jewel-like	O
"	O
PS	O
button	O
"	O
with	O
the	O
PlayStation	O
logo	O
,	O
which	O
can	O
be	O
used	O
to	O
access	B-Application
the	O
home	O
menu	O
or	O
XMB	B-Device
(	O
after	O
system	O
software	O
version	O
2.40	O
)	O
,	O
switch	O
controller	O
inputs	O
and	O
turn	O
the	O
console	O
or	O
the	O
controller	O
on	O
or	O
off	O
.	O
</s>
<s>
It	O
fulfills	O
a	O
similar	O
function	O
to	O
the	O
"	O
Guide	O
"	O
button	O
featured	O
on	O
Microsoft	O
's	O
Xbox	B-Device
360	I-Device
controller	I-Device
,	O
or	O
the	O
"	O
Home	O
"	O
button	O
on	O
the	O
Wii	B-Device
Remote	I-Device
.	O
</s>
<s>
This	O
therefore	O
made	O
the	B-Operating_System
PS3	I-Operating_System
wireless	O
controller	O
feel	O
light	O
to	O
players	O
accustomed	O
to	O
heavier	O
controllers	O
such	O
as	O
the	O
DualShock	B-Device
.	O
</s>
<s>
Haptics	B-Device
developer	O
Immersion	O
Corporation	O
,	O
which	O
had	O
successfully	O
sued	O
Sony	O
for	O
patent	O
infringement	O
,	O
expressed	O
skepticism	O
of	O
Sony	O
's	O
rationale	O
,	O
with	O
company	O
president	O
Victor	O
Viegas	O
stating	O
in	O
an	O
interview	O
,	O
"	O
I	O
do	O
n't	O
believe	O
it	O
's	O
a	O
very	O
difficult	O
problem	O
to	O
solve	O
,	O
and	O
Immersion	O
has	O
experts	O
that	O
would	O
be	O
happy	O
to	O
solve	O
that	O
problem	O
for	O
them	O
"	O
,	O
under	O
the	O
condition	O
that	O
Sony	O
withdraw	O
its	O
appeal	O
of	O
the	O
patent	O
infringement	O
ruling	O
.	O
</s>
<s>
The	O
Wii	B-Device
Remote	I-Device
,	O
another	O
contemporary	O
motion	O
controller	O
,	O
was	O
able	O
to	O
incorporate	O
vibration	O
.	O
</s>
<s>
Sony	O
later	O
decided	O
to	O
include	O
rumble	O
functionality	O
in	O
their	O
DualShock	B-Device
3	O
controller	O
.	O
</s>
<s>
In	O
a	O
change	O
from	O
previous	O
PlayStation	O
controllers	O
,	O
the	O
Sixaxis	B-Device
features	O
wireless	O
connectivity	O
based	O
on	O
the	O
Bluetooth	B-Protocol
standard	O
.	O
</s>
<s>
However	O
,	O
the	O
Sixaxis	B-Device
lacks	O
a	O
Bluetooth	B-Protocol
"	O
discovery	O
mode	O
"	O
,	O
which	O
is	O
normally	O
used	O
for	O
connecting	O
to	O
Bluetooth	B-Protocol
devices	O
wirelessly	O
,	O
so	O
a	O
wired	O
USB	B-Protocol
connection	O
is	O
required	O
to	O
set	O
up	O
the	O
Sixaxis	B-Device
with	O
the	O
appropriate	O
Bluetooth	B-Protocol
address	O
before	O
a	O
wireless	O
connection	O
can	O
be	O
made	O
.	O
</s>
<s>
When	O
used	O
with	O
the	O
PSP	O
Go	O
,	O
a	O
PS3	B-Operating_System
is	O
required	O
to	O
set	O
up	O
the	O
Sixaxis	B-Device
.	O
</s>
<s>
PlayStation	B-Operating_System
3	I-Operating_System
controllers	O
are	O
compatible	O
with	O
Bluetooth-equipped	O
Apple	B-Device
Macintosh	I-Device
computers	I-Device
,	O
with	O
no	O
external	O
software	O
required	O
.	O
</s>
<s>
Workarounds	O
have	O
been	O
created	O
allowing	O
the	O
Sixaxis	B-Device
and	O
DualShock	B-Device
3	O
controllers	O
to	O
be	O
used	O
on	O
PCs	B-Device
and	O
Android	B-Application
devices	I-Application
despite	O
this	O
limitation	O
,	O
using	O
custom	O
software	O
and	O
Bluetooth	B-Protocol
drivers	O
or	O
in	O
the	O
case	O
of	O
Android	B-Application
,	O
an	O
app	O
and	O
root	B-Application
access	I-Application
.	O
</s>
<s>
The	O
Sixaxis	B-Device
wireless	O
controller	O
features	O
an	O
internal	O
3.7V	O
Li-ion	O
battery	O
,	O
which	O
provides	O
up	O
to	O
30	O
hours	O
of	O
continuous	O
gaming	O
on	O
a	O
full	O
charge	O
.	O
</s>
<s>
The	O
battery	O
was	O
originally	O
not	O
thought	O
to	O
be	O
replaceable	O
when	O
a	O
Sony	O
spokesperson	O
stated	O
that	O
the	O
Sixaxis	B-Device
should	O
operate	O
for	O
"	O
many	O
years	O
before	O
there	O
's	O
any	O
degradation	O
in	O
terms	O
of	O
battery	O
performance	O
.	O
</s>
<s>
Later	O
,	O
it	O
was	O
revealed	O
that	O
the	O
Sixaxis	B-Device
came	O
with	O
instructions	O
on	O
how	O
to	O
remove	O
the	O
battery	O
and	O
that	O
the	O
battery	O
was	O
fully	O
removable	O
.	O
</s>
<s>
The	O
DualShock	B-Device
3	O
also	O
uses	O
this	O
battery	O
.	O
</s>
<s>
The	O
Sixaxis	B-Device
can	O
also	O
draw	O
power	O
over	O
a	O
USB	B-Protocol
cable	O
via	O
a	O
USB	B-Protocol
mini-B	O
connector	O
on	O
the	O
top	O
of	O
the	O
controller	O
.	O
</s>
<s>
When	O
connected	O
via	O
USB	B-Protocol
,	O
the	O
controller	O
will	O
communicate	O
with	O
the	O
console	O
over	O
the	O
USB	B-Protocol
connection	O
,	O
rather	O
than	O
wirelessly	O
.	O
</s>
<s>
This	O
also	O
applies	O
to	O
the	O
DualShock	B-Device
3	O
.	O
</s>
<s>
These	O
are	O
similar	O
to	O
the	O
indicators	O
found	O
on	O
the	O
Wii	B-Device
remote	I-Device
and	O
the	O
ring	O
of	O
light	O
Xbox	B-Device
360	I-Device
Controller	I-Device
.	O
</s>
<s>
Since	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
supports	O
up	O
to	O
7	O
controllers	O
,	O
but	O
the	O
controller	O
only	O
features	O
4	O
LEDs	O
,	O
controllers	O
5	O
,	O
6	O
and	O
7	O
are	O
represented	O
as	O
the	O
sum	O
of	O
two	O
other	O
indicators	O
(	O
for	O
example	O
controller	O
5	O
is	O
represented	O
by	O
illuminating	O
indicators	O
'	O
4	O
 '	O
and	O
'	O
1	O
 '	O
at	O
the	O
same	O
time	O
,	O
since	O
4+1	O
=	O
5	O
)	O
.	O
</s>
<s>
Sony	O
also	O
patented	O
a	O
technology	O
to	O
be	O
able	O
to	O
track	O
the	O
motion	O
of	O
these	O
LEDs	O
with	O
the	O
PlayStation	B-Device
Eye	I-Device
camera	I-Device
for	O
use	O
alongside	O
the	O
PlayStation	B-Device
Move	I-Device
Controller	O
.	O
</s>
<s>
Though	O
this	O
was	O
never	O
utilised	O
with	O
the	O
DualShock	B-Device
3	O
,	O
its	O
successor	O
,	O
the	O
DualShock	B-Device
4	O
,	O
features	O
a	O
light	O
bar	O
used	O
for	O
motion	O
tracking	O
,	O
as	O
well	O
as	O
player	O
identification	O
.	O
</s>
