DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Canon LE-84
(Version 1) was manufactured
in June 1974 in Japan. |
The Canon LE-84 is powered by a
four disposable 1.5 Volt batteries. |
| The printed circuit board
(PCB) of the Canon LE-84 is centered around a
TMS0801 single-chip calculator circuit and supported by discrete transistors instead the two display drivers hybrid circuits.  |
Close-up view
of the TMS0801 single-chip calculator circuit. |
Close-up view of the
ANTEX SK-3-307 LED display module.  |
Front and backside of the
keyboard assembly from a Canon LE-84 calculator.  |
| The keyboard assembly
with the printed circuit board (PCB) removed,
showing the springs and conductive rubber elements of the keys. The springs are isolated from the PCB with a stamped plastic foil.   |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 1, 2024. No reprints without written permission.