Mitsumi KSD Type
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| Manufacturer | Mitsumi |
|---|---|
| Family | Mitsumi hybrid switch |
Mitsumi KSD Type is an unconfirmed Mitsumi hybrid switch type, using pressure pads over a two-layer membrane and PCB; the conductive pad equivalent is Mitsumi KSR Type.
The TI-99/4A keyboard has model number KSD-A46YN, while the Atari 800 keyboard below has model number KSD-A58AU, suggesting KSD Type for these keyboards and switches.
Keyboards[edit | edit source]
- Some Texas Instruments TI-99/4A
- Some Atari 800
Gallery[edit | edit source]
Atari 800[edit | edit source]
This example is dated December 1982.
-
Rear view showing underside of PCB -
PCB with two membrane layers -
PCB removed, revealing the sliders -
Slider plate -
Switch components; note the external return springs and cruciform sliders
