KBK update for Saturday, 13th February
This time we stretch back a lot further, to the early days of computer keyboards, to the era when electromechanical keyboards were still being produced. A lot of interesting details on these keyboards were written up in the article Manual Input Devices in Computer Design, Volume 4 No. 12, December 1965, which is now added to the references page.
The Navigation Computer Corporation, also known as NAVCOR (later KDI Navcor) was an American electronics manufacturer whose product range included, over time, three different designs of reed keyboard switch. Their keyboards used diode matrices for encoding. Other keyboard types may have also existed: as with so many such brands, few examples are known. NAVCOR curiously took out a patent on the idea of switches with a sloped base, an idea that would be later used by a number of manufacturers including Raytheon, Veetronix, George Risk and Fujitsu.
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