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Additional Pictures 

 

This Texas Instruments Language Teacher was manufactured in November 1980 by
Texas Instruments in Abilene, Texas (Date code ATA 4780 » wk 47 yr 1980).

The Language Teacher with both the battery cover and module cover removed.

The Language Teacher with the backside of the housing removed.

Inside the Language Teacher. The Speech Synthesizer is visible,
the Microcontroller hidden under the Display Module. 

Close-up of the TMC0280 Speech Synthesizer.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, February 22, 2019. No reprints without written permission.