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US 11,251,609 B2Granted
Surge protection apparatus
AssigneeElectronics and Telecommunications Research Institute
InventorsKwanguk Chu, Jinha Yoo, Namwon Moon, Seung-Kab Ryu
Life of this patent
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Abstract
A surge protection apparatus includes a signal determination unit configured to generate a control signal by detecting a surge on a power line, and a switching unit connected between the power line and a ground terminal and configured to include a power transistor that is turned on in response to the control signal.
Claims12
A surge protection apparatus comprising:
- a signal determination unit configured to generate a control signal by detecting a surge on a power line;
- and
- a switching unit connected between the power line and a ground terminal,
- wherein the switching unit is configured to comprise:
- a power transistor that is turned on in response to the control signal;
- a first diode connected between the power line and a collector of the power transistor;
- and
- a second diode connected between the ground terminal and the collector of the power transistor.
5 more elements
A surge protection apparatus comprising:
- a signal determination unit configured to generate a control signal by detecting a surge on a power line;
- and
- a switching unit connected between the power line and a ground terminal and configured to comprise a power transistor that is turned on in response to the control signal,
- wherein the signal determination unit comprises:
- a first capacitor connected to the power line;
- a first resistor connected between the first capacitor and a gate of the power transistor;
- a second resistor connected between the gate of the power transistor and the ground terminal;
- and
- a Zener diode connected between the ground terminal and the gate of the power transistor.
6 more elements
Dependencies are inferred from the claim text.