| 摘要 |
<p>Title of the Invention AUXILIARY KEYBOARD APPARATUS A law cost auxiliary keyboard is disclosed which is mounted onthe keyboard of a data terminal device comprising a cover member having an array of auxiliary control keys which overlie and engage associated control keys on the keyboard of the data terminal device. First sealing means are mounted in the edge of the cover member preventing liquids from entering the terminal keyboard. The auxiliary control keys are constructed to provide a second sealing environment on the cover member. A shroud secured to the cover member contains any liquid spilled on the auxiliary keyboard. An opening in the shroud drains the liquid from the shroud and away from the auxiliary keyboard. Means are provided to releasably secure the cover member to the terminal keyboard to allow the interchanging of auxiliary keyboards to meet changing business conditions.</p> |
