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CANON: L121 (version-1)
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AKA (Label): CANOLA L121, Product number (P/N): L121,
Keywords/Tags: L121
Date of intro: nov-1970, Origin: Japan (List), Dimensions: 245x234x69mm, Weight: 2200g,
Power: AC,
Display: Type = Display (Nixie) (List), Digits = 12,
Keyboard: Reed-switch, Number of keys: 23, #Key-Black: 5, #Key-White: 15, #Key-Yellow: 3,
Keyboard Array (Rows x Columns): 05x07,
Decimal switch: [...], Round switch: [5/4-(ArrowDown)], Miscellaneous switch: [(Blank)-(ArrowDown)K], Indicators: OVERFLOW,
Classification: / Desktop with Display,
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset,
Related with: CANON_docu: (Ad.) L121: Revolution in cm; CANON_docu: IBE50196B (Instr.) L121,
Main Components: TEXAS INSTRUMENTS: TMC1733AJC; TEXAS INSTRUMENTS: TMC1753AJC; TEXAS INSTRUMENTS: TMC1754AJC; TEXAS INSTRUMENTS: TMC1807JC,
Resemblance with: CANON: L121 (version-2),
Serie-members: CANON: L121 (version-1) (Different decimal-switch); CANON: L121 (version-2) (Different decimal-switch),
Known Serial-numbers: 107668 | 111224 | 401709 (List of all S/Ns from CANON)
Initial Cost Price: USD645.00, Collector value: 8.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM

Item

Additional picture
(Courtesy of: GREINER Johannes)

Display

Display
Overflow

Internals

Internals (keyboard) / Switch (reed)
Reed-switch

Keyboard
X61797303 (X61-7973-03)

Label, name plate
S/N: 401709

Type, faceplate, trade mark

Created: 24-apr-2016, Manual-update: 28-dec-2021, Batch-update: 03-dec-2022             

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9 Pic(s),

                     

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