Overvoltage protection device having a concave arc section

Details Overvoltage protection device having a concave arc section Overvoltage protection device having a concave arc section

1994-02-07

1995-10-24

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With space discharge means

361 56, 361 91, G02H 906

Patent

active

054615330

ABSTRACT:
An overvoltage protection device connected between an AC plug and an electronic device, comprises a first AC pattern having first and second concave circular arc sections and a first peak point, a second AC pattern having third and fourth concave circular arc sections and a second peak point, and a frame ground pattern having a fifth concave circular arc section with the first peak point as a center and a sixth concave circular arc section with the second peak point as a center, both ends of the fifth concave circular arc section being located at centers of the first and second concave circular arc sections, and both ends of the sixth concave circular arc section being located at centers of the third and fourth concave circular arc sections. If an overvoltage is applied to any of the first and second AC patterns, a discharge occurs across any of the AC pattern and the frame ground pattern, allowing the overvoltage to escape to ground. It is thus possible to prevent destruction of the electronic device resulting from the application of the overvoltage.

REFERENCES:
patent: 1406858 (1922-02-01), Henricks et al.
patent: 4891730 (1990-01-01), Saddow et al.
Copy of European Patent Report dated 18 Apr. 1994.

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