MULTI-STAGE DETECTOR
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Apr 6, 2006
filing date -
Apr 7, 2005
priority date (Note) -
Abandoned
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Abstract
A multi-stage detector capable of accurately detecting an input operations in steps. Since the vertical lengths of a plurality of displacement press members (137) and (138) displaceably supported on an up-and-down operation member (131) and downwardly energized by a press biasing mechanism (139) are different from each other. When the up-and-down operation member (131) is displaced downward, a plurality of press-contact detection elements (135) and (136) are pressed in order by the displacement press members (137) and (138).
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