Electronic multi-depth object locator with self-illuminating optical element warning and detection
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United States of America Patent
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Mar 20, 2007
Grant Date -
Dec 22, 2005
app pub date -
Jun 3, 2005
filing date -
Jun 7, 2004
priority date (Note) -
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Abstract
An embodiment of the invention provides a sensing device that includes a sensing circuit and a mode selection input device. The sensing circuit senses the presence of an object beneath a surface. The mode selection input device allows a user to select, using a single button, a desired mode from among at least three sensitivity modes without first accessing another sensitivity mode. In another embodiment, a sensing device includes a sensing circuit and a display. The sensing circuit senses the presence of a live electrical wire beneath a surface. The display includes an optical element and a light source to indicate the sensed presence of the live electrical wire.
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