<s>
Vectorbeam	B-Application
was	O
an	O
arcade	O
game	O
manufacturer	O
active	O
in	O
the	O
late	O
1970s	O
who	O
specialized	O
in	O
vector	O
graphics-based	O
arcade	O
games	O
.	O
</s>
<s>
Vectorbeam	B-Application
was	O
founded	O
by	O
Larry	B-Application
Rosenthal	I-Application
based	O
on	O
his	O
graduate	O
work	O
from	O
the	O
Massachusetts	O
Institute	O
of	O
Technology	O
and	O
which	O
he	O
patented	O
for	O
a	O
custom	O
arcade	O
vector	B-General_Concept
display	I-General_Concept
.	O
</s>
<s>
Vectorbeam	B-Application
was	O
in	O
direct	O
competition	O
with	O
other	O
arcade	O
game	O
manufacturers	O
.	O
</s>
<s>
The	O
company	O
ceased	O
operations	O
soon	O
after	O
poor	O
sales	O
of	O
its	O
Barrier	B-Application
arcade	O
game	O
,	O
and	O
sold	O
its	O
assets	O
to	O
Cinematronics	O
.	O
</s>
