<s>
A	O
digital	B-Device
pen	I-Device
is	O
an	O
input	O
device	O
which	O
captures	O
the	O
handwriting	O
or	O
brush	O
strokes	O
of	O
a	O
user	O
and	O
converts	O
handwritten	O
analog	O
information	O
created	O
using	O
"	O
pen	O
and	O
paper	O
"	O
into	O
digital	O
data	O
,	O
enabling	O
the	O
data	O
to	O
be	O
utilized	O
in	O
various	O
applications	O
.	O
</s>
<s>
This	O
type	O
of	O
pen	O
is	O
usually	O
used	O
in	O
conjunction	O
with	O
a	O
digital	B-General_Concept
notebook	I-General_Concept
,	O
although	O
the	O
data	O
can	O
also	O
be	O
used	O
for	O
different	O
applications	O
or	O
simply	O
as	O
a	O
graphic	O
.	O
</s>
<s>
Smart	B-Device
pen	I-Device
is	O
a	O
more	O
specific	O
term	O
;	O
it	O
has	O
the	O
same	O
basic	O
characteristics	O
,	O
but	O
also	O
has	O
other	O
features	O
like	O
voice	O
recording	O
or	O
a	O
text	O
scanner	O
.	O
</s>
<s>
A	O
smart	B-Device
pen	I-Device
is	O
generally	O
larger	O
and	O
has	O
more	O
features	O
than	O
an	O
active	B-Device
pen	I-Device
.	O
</s>
<s>
Digital	B-Device
pens	I-Device
typically	O
contain	O
internal	O
electronics	O
and	O
have	O
features	O
such	O
as	O
touch	O
sensitivity	O
,	O
input	O
buttons	O
,	O
memory	O
for	O
storing	O
handwriting	O
data	O
and	O
transmission	O
capabilities	O
.	O
</s>
<s>
The	O
input	O
device	O
captures	O
the	O
handwriting	O
data	O
,	O
that	O
,	O
once	O
digitized	O
,	O
can	O
be	O
uploaded	B-Application
to	O
a	O
computer	O
and	O
displayed	O
on	O
its	O
monitor	O
.	O
</s>
<s>
Accelerometer-based	O
digital	B-Device
pens	I-Device
contain	O
components	O
that	O
detect	O
movement	O
of	O
the	O
pen	O
and	O
contact	O
with	O
the	O
writing	O
surface	O
.	O
</s>
<s>
Active	B-Device
pens	I-Device
,	O
such	O
as	O
N-trig	B-Device
'	O
s	O
DuoSense	O
Pen	O
,	O
include	O
electronic	O
components	O
whose	O
signals	O
are	O
picked	O
up	O
by	O
a	O
mobile	O
device	O
's	O
built-in	O
digitizer	O
and	O
transmitted	O
to	O
its	O
controller	O
,	O
providing	O
data	O
on	O
pen	O
location	O
,	O
pressure	O
,	O
button	O
presses	O
and	O
other	O
functionality	O
.	O
</s>
<s>
Position-based	O
digital	B-Device
pens	I-Device
use	O
a	O
facility	O
to	O
detect	O
the	O
location	O
of	O
the	O
tip	O
during	O
writing	O
.	O
</s>
<s>
Some	O
models	O
can	O
be	O
found	O
on	O
graphics	B-Device
tablets	I-Device
made	O
popular	O
by	O
Wacom	O
,	O
and	O
on	O
tablet	B-Device
computers	I-Device
using	O
Wacom	O
's	O
Penabled	O
technology	O
.	O
</s>
<s>
Camera-based	O
pens	O
use	O
special	O
digital	B-General_Concept
paper	I-General_Concept
to	O
detect	O
where	O
the	O
stylus	O
contacts	O
the	O
writing	O
surface	O
,	O
such	O
as	O
those	O
using	O
NeoLAB	O
or/and	O
Anoto	O
technology	O
.	O
</s>
