In 1961, Oki Electric Industry announced a photoelectric card reader for 80-column cards, as a card reader for the OKITAC-5080 computer. This device was a standalone model housed in a cabinet, and it also had a built-in power supply for the light source.
|Cards used||80-column standard cards|
|Read direction||80-column simultaneous direction|
|Read system||Photoelectric; Photodiodes are used for both signal and timing|
|Clutch magnet rating||Resistance 6Ω, Rated voltage 500mA, Drive power voltage 15V.
Parallel connection taking the above two coils as one set.
|Signal reader||Photodiode 1N-2175|
|Power supply||50 or 60Hz, AC100V, Approx. 10A|