Date of intro: 1971, Origin: Japan (List),
Power: AC,
Display: Type = Display (Nixie) (List), Brand = MATSUSHITA: CD78, Digits = 12,
Number of keys: 22, #Key-Blue: 11, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x06, Keyboard Layout: [7] [8] [9] [RM] [T] - [K] [4] [5] [6] [(Division)] [CM] - [CE] [1] [2] [3] [x] [R] - [C] [0] [.] [=] [=],
Classification: / Desktop with Display,
Featuring: Logic-technology: SSI (Small Scale Integration) / JMOS (Japanese MOS),
Components: 15 Transistor(s), 39 IC(s),
Main Components: HITACHI: FD1001 {3x}; MITSUBISHI: M5811 {3x}; MITSUBISHI: M5812 {2x}; MITSUBISHI: M5823 {3x}; MITSUBISHI: M58207; NEC: µPD10A; NEC: µPD10C {3x}; NEC: µPD13C {10x}; NEC: µPD101C {4x}; NEC: µPD102C {2x}; NEC: µPD105C {2x}; NEC: µPD112C; NEC: µPD116C; NEC: µPD128C {3x},
Resemblance with: (Resemblance 516_4_6_22A), Made by: TOKYO ELECTRONIC APPLICATION LAB (TEAL) (List of all Import-OEM-models for RICCAR SEWING MACHINE),
Serie-members: RICCAR SEWING MACHINE: (Unknown model) version-1 (Black); RICCAR SEWING MACHINE: (Unknown model) version-2 (White),
Collector value: 8/10,
Info: Seems to be the only model from this brand, which was a manufacturer of... Sewing machines.
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE