Moisture-proof rotary switch structure and method for manufacturing the same
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United States of America Patent
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Issued Date -
Jun 17, 2010
app pub date -
Mar 23, 2009
filing date -
Dec 17, 2008
priority date (Note) -
Abandoned
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Abstract
A moisture-proof rotary switch structure includes a casing unit, a substrate unit and a rotary unit. The casing unit has a casing, a first opening formed on one part of a top surface of the casing and a second opening formed on a bottom side of the casing, and the other part of the top surface of the casing is sealed. The substrate unit is disposed on the bottom side of the casing for sealing the second opening, and the substrate unit has a substrate and a plurality of conductive areas formed on a top surface of the substrate. The rotary unit has a rotary body and a conductive piece disposed around the rotary body. The conductive piece is selectably electrically connected between two of the conductive areas, and the rotary body has a top portion passing through the first opening and being exposed above the casing.
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