Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 21, 2009
Patent Application Number
10623450
Date Filed
July 21, 2003
Patent Primary Examiner
Patent abstract
The present invention relates to an alert system with a sensor to detect article made of metal or magnetic. When detecting any dangerous article made of metal or magnetic nearby, the sensor sends out a signal to the control panel, prompting the warning system to send out a signal or sounds to warn the user, so as to protect the user from being hurt by dangerous article made of metal or magnetic.
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