<s>
The	O
Peacekeeper	B-Device
Revolver	I-Device
is	O
the	O
light	B-Device
gun	I-Device
released	O
for	O
the	O
Philips	B-Device
CD-i	I-Device
multimedia	O
system	O
.	O
</s>
<s>
It	O
was	O
released	O
in	O
1994	O
and	O
was	O
bundled	O
with	O
Mad	B-Application
Dog	I-Application
McCree	I-Application
,	O
retailing	O
for	O
$60	O
(	O
USD	O
)	O
.	O
</s>
<s>
It	O
used	O
an	O
infrared	O
device	O
positioned	O
next	O
to	O
the	O
screen	B-Device
in	O
order	O
for	O
it	O
to	O
register	O
movement	O
,	O
making	O
the	O
Peacekeeper	O
unusual	O
compared	O
to	O
most	O
other	O
light	B-Device
guns	I-Device
of	O
the	O
era	O
,	O
which	O
were	O
reliant	O
on	O
the	O
scanout	O
of	O
CRTs	B-Device
to	O
function	O
.	O
</s>
<s>
Beginning	O
in	O
2011	O
,	O
there	O
was	O
a	O
patent	O
dispute	O
between	O
Philips	O
and	O
Nintendo	O
over	O
the	O
use	O
of	O
the	O
technology	O
(	O
a	O
remote	O
and	O
a	O
“	O
sensor	O
”	O
bar	O
)	O
for	O
the	B-Operating_System
Wii	I-Operating_System
(	O
and	O
later	O
the	B-Operating_System
Wii	I-Operating_System
U	O
)	O
,	O
which	O
was	O
settled	O
out	O
of	O
court	O
in	O
2014	O
.	O
</s>
<s>
Who	B-Application
Shot	I-Application
Johnny	I-Application
Rock	I-Application
?	I-Application
</s>
