Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 27, 2009
Patent Application Number
11107499
Date Filed
April 15, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
Improved methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood.
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