<s>
A	O
split-flap	B-Device
display	I-Device
,	O
or	O
sometimes	O
simply	O
a	O
flap	B-Device
display	I-Device
,	O
is	O
a	O
digital	O
electromechanical	O
display	B-Device
device	I-Device
that	O
presents	O
changeable	O
alphanumeric	O
text	O
,	O
and	O
occasionally	O
fixed	O
graphics	O
.	O
</s>
<s>
Often	O
used	O
as	O
a	O
public	O
transport	O
timetable	O
in	O
airports	O
or	O
railway	O
stations	O
,	O
as	O
such	O
they	O
are	O
often	O
called	O
Solari	B-Device
boards	I-Device
after	O
Italian	O
display	O
manufacturer	O
Solari	O
di	O
Udine	O
,	O
or	O
in	O
Central	O
European	O
countries	O
they	O
are	O
called	O
Pragotron	O
after	O
the	O
Czech	O
manufacturer	O
.	O
</s>
<s>
Split-flap	B-Device
displays	I-Device
were	O
once	O
commonly	O
used	O
in	O
consumer	O
digital	O
clocks	O
known	O
as	O
flip	O
clocks	O
.	O
</s>
<s>
These	O
displays	O
are	O
often	O
found	O
in	O
railway	O
stations	O
and	O
airports	O
,	O
where	O
they	O
serve	O
as	O
flight	O
information	B-Device
display	I-Device
system	O
and	O
typically	O
display	O
departure	O
or	O
arrival	O
information	O
.	O
</s>
<s>
Flip-dot	O
displays	O
and	O
LED	O
display	O
boards	O
may	O
be	O
used	O
instead	O
of	O
split-flap	B-Device
displays	I-Device
in	O
most	O
applications	O
.	O
</s>
<s>
They	O
also	O
can	O
refresh	O
more	O
quickly	O
,	O
as	O
a	O
split-flap	B-Device
display	I-Device
often	O
must	O
cycle	O
through	O
many	O
states	O
.	O
</s>
<s>
The	O
Massachusetts	O
Bay	O
Transportation	O
Authority	O
has	O
designed	O
the	O
new	O
LED	O
replacements	O
for	O
its	O
aging	O
Solari	B-Device
boards	I-Device
at	O
North	O
Station	O
and	O
South	O
Station	O
to	O
emit	O
an	O
electronically	O
generated	O
flapping	O
noise	O
to	O
cue	O
passengers	O
to	O
train	O
boarding	O
updates	O
.	O
</s>
<s>
Early	O
seasons	O
of	O
the	O
game	O
show	O
Family	B-Device
Feud	I-Device
used	O
a	O
split	B-Device
flap	I-Device
display	I-Device
as	O
part	O
of	O
the	O
game	O
board	O
(	O
subsequent	O
seasons	O
used	O
more	O
modern	O
digital	B-Device
displays	I-Device
,	O
and	O
eventually	O
simply	O
used	O
a	O
large	O
digital	O
flat	B-General_Concept
screen	I-General_Concept
monitor	O
)	O
.	O
</s>
<s>
The	O
game	O
board	O
on	O
the	O
Nickelodeon	O
game	O
show	O
Make	O
the	O
Grade	O
was	O
a	O
7x7	O
split-flap	B-Device
display	I-Device
,	O
used	O
to	O
display	O
subjects	O
and	O
wild	O
cards	O
,	O
as	O
well	O
as	O
tracking	O
contestants	O
 '	O
progress	O
.	O
</s>
<s>
The	O
television	O
game	O
show	O
Chain	O
Reaction	O
on	O
Game	O
Show	O
Network	O
features	O
computer-simulated	O
split-flap	B-Device
displays	I-Device
to	O
display	O
the	O
various	O
words	O
in	O
a	O
chain	O
.	O
</s>
<s>
In	O
Italy	O
,	O
split-flap	B-Device
displays	I-Device
have	O
also	O
been	O
occasionally	O
used	O
as	O
destination	B-General_Concept
signs	I-General_Concept
for	O
transit	O
vehicles	O
;	O
there	O
was	O
also	O
a	O
brief	O
vogue	O
for	O
them	O
in	O
the	O
United	O
Kingdom	O
in	O
the	O
mid	O
1980s	O
.	O
</s>
<s>
Lists	O
the	O
featured	O
coffee	O
beans	O
on	O
a	O
split	B-Device
flap	I-Device
display	I-Device
installed	O
by	O
Solari	O
di	O
Udine	O
S.P.A.	O
</s>
<s>
Some	O
railway	O
stations	O
in	O
France	O
still	O
have	O
one	O
or	O
several	O
split-flap	B-Device
displays	I-Device
,	O
Strasbourg	O
,	O
Nantes	O
and	O
Toulouse-Matabiau	O
stations	O
.	O
</s>
<s>
Platform	O
split-flap	B-Device
displays	I-Device
were	O
used	O
across	O
the	O
Deutsche	O
Bahn	O
network	O
,	O
but	O
have	O
been	O
almost	O
completely	O
replaced	O
by	O
liquid	O
crystal	O
displays	O
.	O
</s>
<s>
Bus	O
stops	O
,	O
tram	O
stops	O
as	O
well	O
as	O
the	O
stations	O
of	O
the	O
Athens	O
Metro	O
and	O
the	O
Proastiakos	O
Commuter	O
Rail	O
System	O
of	O
Athens	O
use	O
electronic	B-Device
displays	I-Device
.	O
</s>
<s>
In	O
addition	O
,	O
most	O
RFI	O
stations	O
had	O
split-flap	B-Device
display	I-Device
boards	O
,	O
now	O
replaced	O
by	O
LED	O
displays	O
.	O
</s>
<s>
Otopeni	O
Airport	O
(	O
Bucharest	O
Henri	O
Coandă	O
International	O
Airport	O
)	O
has	O
Solari	B-Device
boards	I-Device
in	O
the	O
international	O
departure	O
area	O
,	O
including	O
a	O
pair	O
of	O
red	O
lights	O
on	O
each	O
row	O
which	O
flash	O
to	O
indicate	O
an	O
important	O
message	O
such	O
as	O
"	O
now	O
boarding	O
"	O
.	O
</s>
<s>
The	O
central	O
train	O
station	O
in	O
Cluj-Napoca	O
has	O
Solari	B-Device
boards	I-Device
for	O
departure	O
and	O
arrivals	O
,	O
including	O
a	O
pair	O
of	O
red	O
lights	O
on	O
each	O
row	O
which	O
flash	O
to	O
indicate	O
"	O
now	O
arriving	O
"	O
/	O
"	O
now	O
leaving	O
"	O
.	O
</s>
<s>
Each	O
platform	O
has	O
its	O
own	O
Solari	B-Device
boards	I-Device
,	O
each	O
including	O
an	O
analog	O
clock	O
.	O
</s>
<s>
Belgrade	O
Airport	O
(	O
Belgrade	O
Nikola	O
Tesla	O
Airport	O
,	O
IATA	O
Code	O
BEG	O
)	O
has	O
Solari	B-Device
boards	I-Device
on	O
both	O
levels	O
of	O
the	O
departure	O
area	O
,	O
still	O
in	O
use	O
as	O
of	O
November	O
2020	O
.	O
</s>
<s>
Disused	O
split-flap	B-Device
displays	I-Device
can	O
still	O
be	O
seen	O
at	O
departure	O
gates	O
(	O
although	O
LCD	O
displays	O
are	O
now	O
used	O
)	O
.	O
</s>
<s>
Large	O
split-flap	B-Device
display	I-Device
in	O
the	O
arrivals	O
hall	O
still	O
in	O
use	O
in	O
early	O
2019	O
.	O
</s>
<s>
Taipei	O
Railway	O
Station	O
originally	O
planned	O
to	O
remove	O
both	O
of	O
its	O
split-flap	B-Device
displays	I-Device
during	O
a	O
renovation	O
in	O
2011	O
.	O
</s>
<s>
Samsung	B-Application
KX	O
in	O
Kings	O
Cross	O
Coal	O
Yard	O
,	O
London	O
,	O
United	O
Kingdom	O
features	O
an	O
"	O
L	O
"	O
Split	O
Flap	O
made	O
by	O
.	O
</s>
<s>
The	O
lobby	O
of	O
the	O
TWA	O
Hotel	O
at	O
John	O
F	O
.	O
Kennedy	O
International	O
Airport	O
in	O
New	O
York	O
City	O
features	O
a	O
restored	O
Solari	B-Device
board	I-Device
displaying	O
historical	O
flight	O
information	O
.	O
</s>
<s>
The	O
hotel	O
lobby	O
was	O
originally	O
in	O
use	O
as	O
the	O
1962	O
Eero	O
Saarinen	O
designed	O
TWA	O
Flight	O
Center	O
,	O
and	O
most	O
of	O
the	O
terminal	O
's	O
design	O
features	O
,	O
including	O
the	O
Solari	B-Device
board	I-Device
,	O
were	O
kept	O
and	O
restored	O
during	O
the	O
renovation	O
of	O
the	O
Flight	O
Center	O
into	O
the	O
hotel	O
.	O
</s>
<s>
Lists	O
the	O
featured	O
coffee	O
beans	O
on	O
a	O
split	B-Device
flap	I-Device
display	I-Device
installed	O
in	O
2017	O
by	O
Solari	O
di	O
Udine	O
S.P.A.	O
</s>
<s>
The	O
National	O
WWII	O
Museum	O
in	O
New	O
Orleans	O
,	O
LA	O
has	O
an	O
operating	O
split-flap	B-Device
display	I-Device
showing	O
train	O
departure	O
schedules	O
above	O
a	O
replicated	O
railroad	O
platform	O
in	O
the	O
main	O
atrium	O
.	O
</s>
<s>
A	O
split-flap	B-Device
display	I-Device
shows	O
menu	O
items	O
and	O
flight	O
schedules	O
from	O
behind	O
the	O
bar	O
.	O
</s>
<s>
The	O
Split	O
Flap	O
pays	O
homage	O
to	O
Philadelphia	O
's	O
old	O
30th	O
Street	O
Station	O
Solari	B-Device
Board	I-Device
and	O
acts	O
as	O
a	O
real-time	O
scoreboard	O
during	O
Philadelphia	O
Phillies	O
games	O
.	O
</s>
<s>
The	O
Gare	O
de	O
Versailles	O
–	O
Chantiers	O
in	O
Versailles	O
replaced	O
its	O
split-flap	B-Device
display	I-Device
with	O
flat	B-General_Concept
screens	I-General_Concept
in	O
the	O
late	O
2000s	O
.	O
</s>
<s>
Kai	O
Tak	O
International	O
Airport	O
used	O
a	O
split-flap	B-Device
display	I-Device
in	O
the	O
departure	O
area	O
until	O
its	O
closure	O
in	O
1998	O
.	O
</s>
<s>
Hung	O
Hom	O
station	O
(	O
Formerly	O
Kowloon	O
)	O
used	O
a	O
split-flap	B-Device
display	I-Device
at	O
the	O
concourse	O
until	O
its	O
renovation	O
in	O
2001	O
.	O
</s>
<s>
Nagoya	O
Airfield	O
used	O
to	O
have	O
at	O
least	O
one	O
split-flap	B-Device
display	I-Device
when	O
it	O
was	O
an	O
international	O
airport	O
.	O
</s>
<s>
Now	O
that	O
Chubu	O
Centrair	O
International	O
Airport	O
is	O
the	O
primary	O
civil	O
airport	O
for	O
Nagoya	O
,	O
a	O
shopping	O
centre	O
called	O
Airport	O
Walk	O
Nagoya	O
on	O
the	O
grounds	O
of	O
the	O
airport	O
now	O
prominently	O
features	O
an	O
old	O
split-flap	B-Device
display	I-Device
above	O
the	O
food	O
court	O
area	O
,	O
though	O
the	O
display	O
is	O
left	O
static	O
showing	O
departures	O
the	O
airport	O
used	O
to	O
have	O
and	O
is	O
not	O
functional	O
.	O
</s>
<s>
Skopje	O
,	O
Solari	B-Device
board	I-Device
above	O
ticket	O
office	O
,	O
displaying	O
a	O
range	O
of	O
destinations	O
in	O
Cyrillic	O
,	O
including	O
former	O
Yugoslavian	O
destinations	O
,	O
such	O
as	O
Kosovo	O
Polje	O
( Косово	O
поле	O
)	O
and	O
Titov	O
Veles	O
( Титов	O
Велес	O
)	O
as	O
well	O
as	O
Western	O
European	O
destinations	O
such	O
as	O
Dortmund	O
( Дортмунд	O
)	O
and	O
Paris	O
Lyon	O
( парис	O
лион	O
)	O
.	O
</s>
<s>
The	O
smaller	O
Solari	B-Device
boards	I-Device
on	O
the	O
platforms	O
are	O
,	O
as	O
of	O
August	O
2015	O
,	O
in	O
site	O
,	O
but	O
out	O
of	O
use	O
.	O
</s>
<s>
Terminal	O
1	O
of	O
Ninoy	O
Aquino	O
International	O
Airport	O
(	O
Manila	O
International	O
Airport	O
)	O
used	O
the	O
split-flap	B-Device
display	I-Device
until	O
its	O
renovation	O
in	O
2015	O
,	O
when	O
it	O
was	O
replaced	O
by	O
an	O
electronic	O
display	O
.	O
</s>
<s>
Poznań	O
Główny	O
railway	O
station	O
,	O
Solari	B-Device
board	I-Device
(	O
see	O
image	O
)	O
used	O
in	O
the	O
hall	O
of	O
old	O
station	O
building	O
and	O
on	O
platforms	O
until	O
2012	O
.	O
</s>
<s>
Replaced	O
by	O
digital	B-Device
displays	I-Device
(	O
see	O
image	O
1	O
,	O
image	O
2	O
)	O
.	O
</s>
<s>
In	O
Bangkok	O
,	O
Don	O
Muang	O
International	O
Airport	O
’s	O
Terminal	O
1	O
had	O
three	O
split-flap	B-Device
displays	I-Device
installed	O
—	O
two	O
on	O
a	O
departures	O
level	O
,	O
and	O
only	O
one	O
on	O
arrivals	O
—	O
all	O
of	O
which	O
had	O
been	O
used	O
until	O
airport	O
’s	O
closure	O
in	O
2006	O
.	O
</s>
<s>
A	O
live	O
webcam	B-Protocol
used	O
to	O
broadcast	O
frequently	O
updated	O
images	O
of	O
this	O
board	O
,	O
but	O
was	O
replaced	O
by	O
a	O
cessation	O
announcement	O
in	O
2007	O
.	O
</s>
<s>
London	O
Waterloo	O
,	O
replaced	O
by	O
LCD	O
units	O
in	O
the	O
early	O
2000s	O
,	O
still	O
there	O
out	O
of	O
use	O
until	O
December	O
2006	O
,	O
when	O
it	O
was	O
taken	O
down	O
to	O
make	O
way	O
for	O
an	O
LED	O
departure	B-Device
board	I-Device
that	O
became	O
operational	O
in	O
March	O
2007	O
.	O
</s>
<s>
Dulles	O
International	O
Airport	O
had	O
a	O
split-flap	B-Device
display	I-Device
from	O
airport	O
opening	O
in	O
1962	O
until	O
circa	O
1991	O
,	O
when	O
the	O
main	O
terminal	O
was	O
expanded	O
.	O
</s>
<s>
New	O
York	O
's	O
Museum	O
of	O
Modern	O
Art	O
has	O
a	O
Solari	O
flap	B-Device
display	I-Device
board	I-Device
in	O
its	O
permanent	O
collection	O
,	O
on	O
display	O
in	O
the	O
design	O
wing	O
.	O
</s>
<s>
The	O
split-flap	O
departure	B-Device
board	I-Device
was	O
removed	O
on	O
3/30/2015	O
.	O
</s>
<s>
The	O
Solari	B-Device
board	I-Device
at	O
30th	O
Street	O
Station	O
was	O
the	O
last	O
such	O
board	O
at	O
an	O
Amtrak	O
station	O
,	O
as	O
all	O
the	O
others	O
were	O
replaced	O
with	O
digital	O
boards	O
.	O
</s>
<s>
On	O
November	O
30	O
,	O
2018	O
,	O
Amtrak	O
announced	O
that	O
the	O
Solari	B-Device
board	I-Device
at	O
30th	O
Street	O
Station	O
would	O
be	O
replaced	O
with	O
a	O
digital	O
board	O
in	O
January	O
2019	O
.	O
</s>
<s>
Upon	O
retirement	O
,	O
the	O
Solari	B-Device
board	I-Device
was	O
planned	O
to	O
be	O
relocated	O
to	O
the	O
Railroad	O
Museum	O
of	O
Pennsylvania	O
in	O
Strasburg	O
.	O
</s>
<s>
However	O
,	O
on	O
December	O
11	O
,	O
2018	O
,	O
Amtrak	O
announced	O
it	O
will	O
reconsider	O
its	O
decision	O
to	O
replace	O
the	O
Solari	B-Device
board	I-Device
after	O
Congressman	O
Brendan	O
Boyle	O
contacted	O
Amtrak	O
CEO	O
Richard	O
H	O
.	O
Anderson	O
and	O
urged	O
for	O
the	O
Solari	B-Device
board	I-Device
to	O
remain	O
at	O
the	O
station	O
.	O
</s>
<s>
Amtrak	O
removed	O
the	O
Solari	B-Device
board	I-Device
on	O
January	O
26	O
,	O
2019	O
.	O
</s>
<s>
The	O
Solari	B-Device
board	I-Device
from	O
30th	O
Street	O
Station	O
has	O
been	O
on	O
static	O
display	O
at	O
the	O
Railroad	O
Museum	O
of	O
Pennsylvania	O
since	O
July	O
2019	O
.	O
</s>
<s>
The	O
aesthetic	O
appeal	O
of	O
the	O
displays	O
is	O
such	O
that	O
they	O
have	O
also	O
seen	O
use	O
in	O
purely	O
artistic	O
forms	O
,	O
such	O
as	O
in	O
Pedestrian	O
Drama	O
,	O
contemporary	O
artwork	O
using	O
this	O
display	B-Device
technology	I-Device
,	O
and	O
art	O
by	O
Juan	O
Fontanive	O
,	O
who	O
has	O
used	O
the	O
mechanism	O
extensively	O
since	O
2005	O
.	O
</s>
