KBK update for Sunday, 31st January

I never realised that Samsung made one of the Amiga 500 keyboard types. I never thought of Samsung as a keyboard manufacturer at all. Strangely, the switch mechanism bears a strong resemblance to one of the designs in the patent that appears to cover Alps KFNR. Sadly there are no complete sets of photographs of this keyboard, and nothing showing any branding or part numbers.

The Amiga keyboards are clearly not yet fully documented on Deskthority. WMF-4E1Q2 is another barely-documented type, this time from the Amiga 600. This model appears to be NMB, but using conductive domes instead of the standard pressure domes.

Further research has turned up a number of extra single-chip keyboard encoders. These are EA2000, EA2007 and EA2030 from Electronic Arrays; MCS 1007, MCS 1008 and MCS 1009 from MOS Technology; and TMS 5000 and TMS 5001 from Texas Instruments. The point in time that single-chip encoders were introduced is still unclear. Thus far none have been seen before 1972.

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