Patent ID: 11955816
Assignee: GREEN SOLUTION TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The metal object detecting device according to claim 1, wherein the object detector circuit further includes an auxiliary resonant circuit and an oscillation detector circuit, wherein the auxiliary resonant circuit includes a first transistor, a first capacitor and a second capacitor, and wherein a control terminal of the first transistor is connected to a common voltage source and a first terminal of the second capacitor, a first terminal of the first capacitor is connected to the common voltage source, a first terminal of the first transistor is connected to a second terminal of the first capacitor and the first terminal of the first coil, a second terminal of the first transistor is coupled to a reference potential, a second terminal of the second capacitor is connected to a first terminal of the second coil, the oscillation detector circuit includes a second transistor and a third capacitor, a first terminal of the second transistor is connected to the common voltage source and a first terminal of the third capacitor, a second terminal of the second transistor is connected to a second terminal of the third capacitor and grounded, and a control terminal of the second transistor is connected to the first terminal of the first transistor.