Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas G. Cehelnik0
Date of Patent
August 30, 2011
0Patent Application Number
114467680
Date Filed
June 5, 2006
0Patent Primary Examiner
Patent abstract
A method and apparatus is described to detect the physical approach. The method is useful for passively detecting the presence of people, pets, or robots in proximity to a sensor. It is portable, and functions while being carried or placed inside objects.
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