Play Meter

INPUTS
+s VD C
R2 - R7
Pl
1K X 6
A
BCD
19
8
c
o-----~+-~--~ 17
D
16
LATCH E NABL E
r-------~~--~15
BLANKING
cr--------~~~ 1 0
S2- S7
continued from page 1
subsidiary. Universal Resea rch Lab-
oratories. Inc. which has been re -
located in a new 42.000 -sq uare-foo t
manufacturing and assemb ly plant.
Th at facility has the capabili ty for ex -
pansion for an additional 50.000
quare feet. according to Stern .
URL. In c also provides so lid -state
co mpone nts for all Stern pingames
and O .E .M . solid -stat e products to
o utside companies .
Gary Stern said the Seeburg
acquisition will broaden Stern Elec-
tronics' marketing capability and
con tribut e to overall co mpan y sales.
" W e hav e commi tted som e $5
millio n to th e fo rmati o n of a new
JUkebox division and anticipate great
success for th e Seeburg business." he
added. " Because we also manufac -
ture pinball games. th e Seeburg
jukebox will not have to stand on its
own. W e will be in the fl exible
position o f responding and adjusti ng
to changing market demands in the
a binary output to the computer.
telling it where to shoot the torpedo .
We can use this same binary
information to operate the "numeral
selection." or BCD input section of
the test fixture. The angle encoder is
turned as you would a potentio-
meter . to display the different
numerals on the unit under test. Un -
fortunately. the part costs around
$18 . Switches known as BCD
thumbwheels are also available.
These switches provide the same
output as the angle encoder. a
four -bit code that corresponds to the
decimal digit shown on the wheel.
They are rather difficult to mount.
however . and since I can't figure out
a way to nail one to a piece of ply-
wood. I don't use them .
One last word of caution to those
of you who might be unfamiliar with
projects that use th e 7490 !C. ... The
power pins on this chip are not the
same as the "corn er power" connect -
ions of just about ever y other chip.
For the 7490 . th e + 5 volt supply
goes to pin 5. and ground pin is pin
10 . Be observant when making the
power co nnectio ns' Th e same chip is
available with corner p ower pins . but
it's hard er to find and more
expensive. If you fee l like going for it.
0
th e number is 74290 .
coin -o perat ed entertainment indus-
try ...
Creation of a new jukebox division
will result in th e fo rm ation o f a new
t rn ju kebox engineering depart -
m en t . H owever. there will be no
major reorganization o f company
management. according to Gary
tern .
Larry Siegel. Stern vice
president for sales / administration.
will be directly responsible for ov rail
prod uct1on of th e See burg division .
St eph en K au fm an will remain as
St ern 's vice president of marketing :
Ed Polan ek will continue as president
o f tern's URL subsidiary .
Stern pins to asthma unit
Stern Electronics . Inc . has donated
fo ur new pinball games to the
N ationa l Jewis h H ospital / National
Asthma Center in D enver . an -
nounced Gary Stern . com pan y
president .
Th e four games include two of
Stern's rece nt best seller Galaxy and
two. p o pular Muh ammad Ali games .
Th e games will be maintain ed and
serviced in th e patient lounge by
Con tin en tal Divid e Co .. u Stern
distributor in th e Denver area.
Gary Stern
The NJH / NAC is an acclaimed
trea tm en t cen ter fo r per ons from
thro ughout th e U .S . su ffering from
a thma. tuberculosis . emp h ysema.
chro nic bronchitis and other respira -
to r y diseases and immunological
disorders. Opened in 1899. the
pion eering medical center treats
patients wi tho ut regard to race. creed
or abi lit y to pay .
In 1979. Gary Stern was named to
th e NJH / NAC National Society of
Fell ows. :m organization com pri sed
of indi vid uals. fo undatio ns and corp -
orations whose significant annual
co ntributions merit recogni ti on.