Vintage Electronic Calculators:

Overview of Brands


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AKA (Label): MODELL CD 14/2, CD 502, Product number (P/N): CD142 (CD 14/2),
Keywords/Tags: CD142 (CD 14/2) | CD502 (CD 502)
Date of intro: 1975, Origin: Germany (List), Yugoslavia (List), Dimensions: 205x205x65mm, Weight: 1080g,
Power: AC,
Display: Type = Display (VFD) (List), Brand = FUTABA: 13MT24; or; FUTABA: 15MT02, Digits = 14+1,
Number of keys: 30, #Key-Black: 12, #Key-Grey: 9, #Key-Orange: 1, #Key-White: 8,
Decimal switch: [AM-F-0-1-2-3-4-5-6-7-8], Round switch: [(ArrowDown)-5/4-(ArrowUp)], Miscellaneous switch: [GT-(Blank)-GT/FT],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 2,
Related with: OLYMPIA_docu: 17202701 (Broch.) CD502 (German); OLYMPIA_docu: 17202721 (Broch.) CD502 (Spanish); OLYMPIA_docu: 17203601 (Instr.) CD502; OLYMPIA_docu: 17207904 (Service) *,
Main Components: ROCKWELL: A4540PB,
Resemblance with: UNIS TERM: CE1402, Made by: PANASONIC (List of all Import-OEM-models for OLYMPIA),
Serie-members: OLYMPIA: CD402 (); OLYMPIA: CD502 (),
Known Serial-numbers: 8490260019053746 (84 902-6001.9, 053746) | 8490260019099367 (84 902-6001.9, 099367) (List of all S/Ns from OLYMPIA)
Collector value: 7/10,
Courtesy of: SIGG Markus,
Internet: Link-1: RECHENKASTEN


Internals (keyboard)
(Courtesy of: SIGG Markus)

Internals (PCB)
(Courtesy of: SIGG Markus)

Label, name plate
(Courtesy of: SIGG Markus)
849028113100 (84.902-8113.1[00])

Serial number
S/N: 8490260019099367 (84 902-6001.9, 099367)
(Courtesy of: SIGG Markus)

Created: 13-jul-2003, Manual-update: 22-oct-2019, Batch-update: 24-may-2022             

# Pageloads since 2018: 180             

5 Pic(s),


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