Calcu-Pen (Calculator Pen)
Unknown - CUSTOM BUILT: Japan
- Country
- Japan
- Manufacturer / Brand
- Unknown - CUSTOM BUILT: Japan
- Year
- 1975 ?
- Category
- Miscellaneous (Other, Various) - see notes
- Radiomuseum.org ID
- 307581
- Number of Tubes
- 1
- Valves / Tubes
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Wave bands
- - without
- Power type and voltage
- Dry Batteries / 245 or AM5(S) N: 1 x 1,5 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Calcu-Pen - Unknown - CUSTOM BUILT: Japan
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 15 x 15 x 160 mm / 0.6 x 0.6 x 6.3 inch
- Notes
-
By 1975 the electronics required for a calculator had shrunk so much that it could be fitted into a, slightly bulbous, ball-point pen.
- Price in first year of sale
- 79.95 $
- Author
- Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.
- Other Models
-
Here you find 1147 models, 1008 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Unknown - CUSTOM BUILT: Japan