FIELD: mechanics.
SUBSTANCE: keyboard incorporates a waveguide panel with the light propagation interior, at least, one push-button arranged on the said waveguide panel top surface and, at least, one reflecting structure arranged fixed relative to the waveguide panel to reflect a portion of light propagating through the waveguide panel interior towards the aforesaid push-button.
EFFECT: higher brightness and uniform illumination of the push-button.
10 cl, 10 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| KEYBOARD AND KEYBOARD UNIT | 2006 |
|
RU2339074C2 |
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|
RU2458382C2 |
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RU2415344C2 |
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RU2484365C2 |
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|
RU2406036C1 |
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|
RU2313903C2 |
| LUMINAIRE | 2012 |
|
RU2605690C2 |
