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US. Patent
Jul. 5, 1983
Sheet 1 of6
4,392,101
FIG. I
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T
TIME
NICKEL'CADMIUM BATTERY CHARGING CYCLE
FIG». 2
'
To BATTERY
A.C. POWER
'NPUT
[40
POWER SUPPLY
r
(A.C. To LOW
_
/|2
,|4
RESISTOR
CHARGE,
CONTROLLED
VOLTAGE o-c.
CURRENT AMP.
8'
I5
TEsT
SWITCH
II
V
START SWITCH
'5
CURRENT
CONTROL
R v
REs|sToRs
II
BATs'l'EElfsYcggzE
CIRCUIT
T mfRo
COMPUTER
TYPE
8048
>-——
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V
TEMPERATURE
CUT-OFF
CIRCUIT
AID
CONVIERTER
'
SUCESS
VE
PPROXIMATIONI‘
30
OPERATOR
DISPLAY
C|RCU|T
RESET
CIRCUIT