Amiga 500 keyboard
Various sources claim that Samsung made one of the early Amiga 500 keyboard types. Photographs of these keyboards exist, but none have turned up so far showing any form of branding. The switch design bears a strong resemblance to some of the drawings in the patent suspected to depict Alps KFNR, but not the form taken to be KFNR itself. Each key appears to have a metal coil spring as its return spring, and the bottom of the plunger takes the form of a membrane pressure actuator. The Alps design uses a buckling rubber sleeve (“click rubber”) although the patent also shows a dual-spring design.
The following pages show photographs: