Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Long Zhao0
Yi-Hung Peng0
Date of Patent
August 8, 2017
0Patent Application Number
143100930
Date Filed
June 20, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A protection circuit is coupled to a switch circuit of a machine tool for protection. The protection circuit comprises a fatigue protection unit and a misoperation protection unit. The fatigue protection unit comprises a first sensor, a first processor, a first controller, and an alarm module. The misoperation protection unit comprises a second sensor, a second processor, and a second controller. The protection circuit senses the degree of fatigue and the misoperation of people through the fatigue protection unit and the misoperation protection unit, then controls the machine tool to work or not to work to avoid accidents.
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