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Raytheon

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Overview

During their long history, Raytheon are so far only known to have made one model of keyboard. Likely other models exist, that have yet to be discovered, which would fit with there being a variety of keyboard switch models.

Keyboard switches

Tactile keycaps

In January 1973, Raytheon filed a patent (granted in 1974 as US patent 3822776 “Tactile keycap”) for a tactile mechanism placed inside the keycap itself. This mechanism appears to be designed to provide overtravel as well as operator feedback. Both click feedback and silent options were proposed.