Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Arjuna R. Karunaratne0
Paul J. Lingane0
Stephen F. Gass0
Date of Patent
May 4, 2010
0Patent Application Number
123220690
Date Filed
January 26, 2009
0Patent 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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