MBO Conti 20

Date of introduction:  1976 Display technology:  Fluorescent
New price:   Display size:  8
Size:  4.8" x 3.2" x 1.2"    
Weight:  4.3 ounces Serial No:  6NE-0163
Batteries:  1*AA Date of manufacture:  mth 08 year 1976
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8 Integrated circuits:  Toshiba T3393
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

The Conti 20 was introduced in 1976 together with the Conti 10 and could easily be identified as a Far-East OEM-product manufactured by Toshiba.

Conti-20_PCB.jpg (46308 Byte)The printed circuit board (PCB) of the Conti 20 looks familiar and is centered around a Toshiba T3393 single-chip calculator circuit. We know this chip already from the Toshiba BC-819 and BC-8110 calculators.

MBO International Electronic GmbH, Jena was founded 1973 and started with the MBO Junior the production of the first portable calculator in Germany. 

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February 19, 2004December 5, 2001. No reprints without written permission.