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Additional Pictures 

 

The Chatter-Book opened with a booklet inside. The whole area below the book
is sensitive for pressure and detects accurate the position of the finger tip.

 The printed circuit board (PCB) of the Chatter-Book with the TSP50C42 Voice Synthesis Processor
surrounded by two Speech-ROM's VSP60C19, labelled CMM19010 resp. CMM19027.


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

Joerg Woerner, November 14, 2003. No reprints without written permission.