Teaching and entertainment device

Details Teaching and entertainment device Teaching and entertainment device

G - Physics

09

B

35/9

G09B 19/02 (2006.01) G09B 5/00 (2006.01) G09B 7/04 (2006.01)

Patent

CA 1192394

ABSTRACT A teaching and entertainment device includes a desk-top console which supports a keyboard, an LCD display matrix, and a plug-in cartridge receptacle. A quartet of LCD drivers each control a quadrant of the display under the control of a first microprocessor. A plug-in cartridge is insertable into the console and contains a second microprocessor. Means are provided for establishing a master/servant relationship of the second microprocessor over the first whenever the plug-in cartridge is present.

418915

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