DATAMATH CALCULATOR MUSEUM
Canon Palmtronic LD-8M 4 a.k.a. Palmtronic 8M
|Date of introduction:||Display technology:||Fluorescent|
|New price:||Display size:||8|
|Size:||5.5" x 3.0" x 0.8"|
|Weight:||4.2 ounces||Serial No:||431304|
|Batteries:||2*AA||Date of manufacture:||mth 02 year 1976|
|AC-Adapter:||Origin of manufacture:||Japan|
|Precision:||8||Integrated circuits:||Hitachi HD36264|
|Program steps:||Courtesy of:||Joerg Woerner|
The Canon Palmtronic 8M, also known as LD-8M 4, is one of the successors of the LE-series. Compared to the original LE-series using a red LED-Display (Light Emitting Diodes) the later LD-series sports the green VF-Display (Vacuum Fluorescent) and the LC-series either yellow of grey LC-Displays (Liquid-Crystal). The predecessor called LD-8M 3 sports the same functionality in a housing with a different design.
Dismantling a Palmtronic 8M is always a small surprise, some use a calculator circuit manufactured by NEC company, others use a Texas Instruments or Hitachi circuit.
This LD-8M 4, manufactured early in 1976, uses again the
Hitachi HD36264 single-chip calculator circuit known from the previous LD-8M
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© Joerg Woerner, November 19, 2002. No reprints without written permission.