DUSTPROOF PRESS KEY STRUCTURE
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United States of America Patent
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N/A
Issued Date -
Dec 8, 2011
app pub date -
Sep 9, 2010
filing date -
Jun 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A press key structure includes a bottom board, an insulating plate, a thin film circuit board, an elastic trigger element, and a keycap covered onto the elastic trigger element, and the insulating plate is installed on the bottom board and includes a penetrating hole, and the thin film circuit board is covered onto the insulating plate, and the thin film circuit board and the bottom board are enclosed to define a containing space at a position corresponding to the penetrating hole, and the thin film circuit board includes a thin film switch disposed above the containing space, and the elastic trigger element is installed above the thin film circuit board, such that external dusts can be prevented from entering into the press key structure from the penetrating hole, and the adverse effect of the dusts on the electric connection and the press path of the press key can be avoided.
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