FIELD: computers.
SUBSTANCE: device has keyboard, mounted on a panel, including at least one key, which has at least one operating area, at least one radiation source and one radiation detector, mounted in such a way as to provide possible effect by at least one working tool on route of passing of radiation from emitter to detector and/or on key in appropriate operating area.
EFFECT: higher efficiency.
7 cl, 5 dwg
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|---|---|---|---|
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|
RU2623889C1 |
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| SENSOR KEYBOARD ON SURFACE ACOUSTIC WAVES | 2015 |
|
RU2607617C1 |
