<s>
The	O
Polylux	B-General_Concept
was	O
an	O
overhead	B-Device
projector	I-Device
produced	O
in	O
the	O
German	O
Democratic	O
Republic	O
(	O
GDR	O
)	O
.	O
</s>
<s>
It	O
also	O
functioned	O
as	O
a	O
generic	O
name	O
for	O
overhead	B-Device
projectors	I-Device
in	O
the	O
GDR	O
.	O
</s>
<s>
The	O
Polylux	B-General_Concept
was	O
produced	O
in	O
the	O
VEB	O
(	O
Volkseigener	O
Betrieb	O
:	O
people	O
’s	O
enterprise	O
)	O
Phylatex-Physikgeräte	O
DDR	O
,	O
in	O
Frankenberg	O
near	O
Chemnitz	O
(	O
then	O
known	O
as	O
Karl-Marx-Stadt	O
)	O
.	O
</s>
<s>
After	O
2004	O
,	O
Polylux	B-General_Concept
was	O
a	O
registered	O
trademark	O
of	O
the	O
company	O
Polytechnik	O
Frankenberg	O
GmbH	O
,	O
which	O
as	O
a	O
successor	O
firm	O
of	O
the	O
original	O
Polylux	B-General_Concept
producer	O
continued	O
to	O
produce	O
the	O
device	O
.	O
</s>
<s>
The	O
word	O
Polylux	B-General_Concept
(	O
from	O
Greek	O
and	O
Latin	O
,	O
meaning	O
"	O
much	O
light	O
"	O
)	O
originates	O
with	O
Erich	O
Schöpe	O
,	O
a	O
physicist	O
and	O
former	O
director	O
of	O
the	O
Polylux	B-General_Concept
manufacturer	O
.	O
</s>
<s>
A	O
television	O
show	O
produced	O
by	O
Ostdeutscher	O
Rundfunk	O
Brandenburg	O
(	O
now	O
Rundfunk	O
Berlin-Brandenburg	O
)	O
was	O
named	O
after	O
the	O
Polylux	B-General_Concept
with	O
reference	O
to	O
the	O
"	O
enlightening	O
"	O
function	O
of	O
the	O
device	O
.	O
</s>
<s>
The	O
body	O
of	O
the	O
Polylux	B-General_Concept
consisted	O
of	O
plastic	O
and	O
contained	O
a	O
ventilator	O
with	O
delayed	O
shutdown	O
in	O
order	O
to	O
avoid	O
a	O
heat	O
build-up	O
.	O
</s>
