<s>
Nimo	O
was	O
the	O
trademark	O
of	O
a	O
family	O
of	O
small	O
cathode-ray	B-Device
tube	I-Device
(	O
CRTs	O
)	O
used	O
for	O
numerical	O
displays	O
.	O
</s>
<s>
The	O
tube	O
had	O
ten	O
electron	O
guns	O
with	O
stencils	B-Algorithm
that	O
shaped	O
the	O
electron	O
beam	O
as	O
digits	O
.	O
</s>
<s>
The	O
Nimo	B-General_Concept
tube	I-General_Concept
operated	O
on	O
a	O
similar	O
principle	O
as	O
the	O
charactron	B-General_Concept
,	O
but	O
used	O
a	O
much	O
simpler	O
design	O
.	O
</s>
<s>
Having	O
only	O
three	O
electrode	O
types	O
(	O
a	O
filament	O
,	O
an	O
anode	O
and	O
ten	O
different	O
grids	O
)	O
,	O
the	O
driving	O
circuit	O
for	O
this	O
tube	O
was	O
very	O
simple	O
,	O
and	O
as	O
the	O
image	O
was	O
projected	O
on	O
the	O
glass	O
face	O
,	O
it	O
allowed	O
a	O
much	O
wider	O
viewing	O
angle	O
than	O
,	O
for	O
example	O
,	O
Nixie	B-Application
tubes	I-Application
,	O
which	O
Nimo	O
tried	O
to	O
replace	O
.	O
</s>
