Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Caiying Gan0
Jizhong Pu0
Jiaming Zhou0
Date of Patent
July 2, 2019
0Patent Application Number
161364470
Date Filed
September 20, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided are an LED driving circuit and a tube lamp. A grounding terminal of a rectifying unit of the LED driving circuit is electrically connected to a first ground wire, and an input terminal of an impedance detection and protection unit is electrically connected to a second input terminal of a first filtering unit. The grounding terminal is electrically connected to the first ground wire. The impedance detection and protection unit is configured to detect an impedance between the second input terminal of the first filtering unit and the first ground wire, so as to control the second input terminal of the first filtering unit to connect to or disconnect from the first ground wire according to a magnitude of the detected impedance.
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