Summary
Texas Instruments "Speak & Spell" unit with speech synthesizer. Battery powered. Fluorescent alpha-numeric display and touch keyboard. Made in USA 1978.
Physical Description
In red plastic case with molded carry handle at top. 2.5 inch speaker. Uses linear predictive coding system for voice output. Circuit consists of 3 chips and discrete components. Earpiece jack output. In original packaging with ear piece, and instructions. Dedicated microprocessor.
More Information
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Collecting Areas
Engineering, Information & Communication, Science & Measurement
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Acquisition Information
Purchase
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Manufacturer
Texas Instruments Inc, Lubbock, Texas, United States of America, 1978
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Inscriptions
Front panel: TEXAS INSTRUMENTS / <membrane keyboard with functions and alphabet> / <copyright> TI 1978 / Speak & Spell Rear panel: <molded into plastic> USE ALKALINE BATTERIES ONLY - FOUR "C" CELLS REQUIRED / TEXAS INSTRUMNETS / electronic learning aid / SERIAL NO. / 7491407 / ASSEMBLED IN / USA Cardboard packaging: <Colour picture of unit with text>
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Brand Names
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Classification
Electronics, Semi-conductor technology, Educational materials
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Category
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Discipline
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Type of item
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Overall Dimensions
180 mm (Width), 40 mm (Depth), 255 mm (Height)
Dimensions of unit without packaging
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Dimensions
4 cm (Length), 25.7 cm (Width), 29 cm (Height)
Measurement From Conservation. Measuring Method: Box dimensions
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Keywords
Computers, Computing, Electronic Learning Aids, Voice Synthesizers