<s>
The	O
Qumi	O
(	O
DPC74A1	O
)	O
is	O
a	O
pocket	O
projector	B-Application
manufactured	O
by	O
Delta	O
Electronics	O
for	O
vendor	O
Vivitek	O
.	O
</s>
<s>
The	O
Qumi	O
is	O
the	O
first	O
portable	O
,	O
3D	O
,	O
high	O
definition	O
,	O
LED	O
powered	O
projector	B-Application
based	O
on	O
Texas	O
Instruments	O
 '	O
new	O
3D-Ready	O
DLP	B-General_Concept
Pico	O
HD	O
chipset	O
and	O
Luminus	O
's	O
Phlatlight	O
PT-39	O
LED	O
light	O
source	O
.	O
</s>
<s>
Qumi	O
has	O
only	O
HDMI	B-Protocol
1.3	O
,	O
it	O
is	O
not	O
HDCP	B-Protocol
compliant	O
for	O
3D	O
playback	O
,	O
3D	O
works	O
only	O
with	O
PC	O
via	O
HDMI	B-Protocol
and	O
analog	O
VGA	B-Protocol
port	O
,	O
with	O
DLP	B-General_Concept
Link	O
and	O
IR	O
glasses	O
,	O
in	O
800×600	O
,	O
1024×768	O
,	O
1280×720	O
(	O
VGA	B-Protocol
only	O
)	O
,	O
at	O
any	O
120Hz	O
capable	O
graphics	B-Device
card	I-Device
.	O
</s>
<s>
The	O
300	O
–	O
500	O
lumens	O
vivid	O
LED-based	O
DLP	B-General_Concept
Pico	O
3D	O
HD	O
projectors	B-Application
,	O
based	O
on	O
a	O
DLP	B-General_Concept
chip	O
from	O
Texas	O
Instruments	O
like	O
the	O
Qumi	O
are	O
the	O
greenest	O
standard	O
in	O
projector	B-Application
technology	O
today	O
and	O
is	O
described	O
as	O
a	O
revolutionary	O
audio-visual	O
experience	O
.	O
</s>
<s>
The	O
Qumi	O
's	O
high	O
native	O
resolution	O
make	O
using	O
the	O
projector	B-Application
as	O
the	O
sole	O
display	O
of	O
a	O
computer	O
more	O
desirable	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
benefits	O
of	O
DLP+LED	O
technology	O
versus	O
LCD	B-Device
or	O
LCOS	B-Device
using	O
any	O
light	O
source	O
are	O
:	O
</s>
<s>
DLP+LED	O
systems	O
are	O
brighter	O
,	O
i.e.	O
</s>
<s>
a	O
larger	O
,	O
clearer	O
image	O
then	O
is	O
possible	O
with	O
an	O
equivalently	O
lumen-rated	O
traditional	O
projector	B-Application
.	O
</s>
<s>
By	O
strobing	O
the	O
LEDs	O
in	O
sequence	O
,	O
the	O
"	O
color	O
wheel	O
"	O
can	O
be	O
removed	O
,	O
making	O
the	O
new	O
generation	O
of	O
DLP+LED	O
projectors	B-Application
completely	O
solid	O
state	O
,	O
as	O
well	O
as	O
reducing	O
visual	O
artifacts	O
that	O
put	O
DLP	B-General_Concept
at	O
a	O
disadvantage	O
to	O
LCD	B-Device
or	O
LCOS	B-Device
,	O
i.e.	O
</s>
<s>
Finally	O
,	O
the	O
diamond	O
pixels	B-Algorithm
used	O
on	O
the	O
DLP	B-General_Concept
projection	O
system	O
provide	O
some	O
unusual	O
benefits/tradeoffs	O
.	O
</s>
<s>
In	O
a	O
nutshell	O
,	O
the	O
diamond	O
pixels	B-Algorithm
make	O
computer	O
graphics	O
at	O
native	O
resolution	O
a	O
more	O
"	O
grainy	O
"	O
(	O
by	O
a	O
tiny	O
amount	O
)	O
at	O
native	O
resolution	O
but	O
,	O
at	O
compressed	O
resolutions	O
,	O
better	O
than	O
compression	O
on	O
a	O
square	O
pixel	B-Algorithm
grid	O
.	O
</s>
<s>
When	O
projecting	O
a	O
1920×1080	O
sized	O
computer	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
,	O
the	O
text	O
remains	O
readable	O
and	O
is	O
overall	O
surprisingly	O
faithful	O
to	O
what	O
a	O
full	O
1080p	O
display	O
would	O
produce	O
.	O
</s>
<s>
The	O
diamond	O
pixel	B-Algorithm
layout	O
achieves	O
this	O
effect	O
using	O
a	O
property	O
of	O
human	O
vision	O
and	O
recognition	O
similar	O
in	O
spirit	O
,	O
although	O
not	O
mathematically	O
,	O
to	O
the	O
psychoacoustics	O
used	O
to	O
compress	O
MP3	B-Application
's	O
.	O
</s>
<s>
No	O
wobulation	O
is	O
used	O
;	O
this	O
effect	O
is	O
purely	O
enabled	O
by	O
the	O
shape	O
of	O
the	O
pixel	B-Algorithm
.	O
</s>
