Backlight keyboard
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United States of America Patent
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N/A
Issued Date -
Aug 8, 2002
app pub date -
Feb 2, 2001
filing date -
Feb 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A backlight keyboard is connected to a host device via a signal line. The keyboard includes a plurality of keys, a light source power-supplied by the host device via the signal line and a light guide disposed under the plurality of keys for guiding and uniformly spreading the light transmitted from the light source
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