Electromagnetic wave shield device

Details Electromagnetic wave shield device Electromagnetic wave shield device

2006-01-03

2006-01-03

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

C361S044000, C361S115000

Reexamination Certificate

active

06982857

ABSTRACT:
Disclosed is a device for shielding an electromagnetic wave. The electromagnetic wave shield device comprises a relay having a contact selectively connected to a first terminal or a second terminal of a power receptacle; a controller controlling the connection between the contact of the relay and the first terminal or the connection between the contact of the relay and the second terminal, comparing the first voltage value generated by the connection between the contact of the relay and the first terminal with the second voltage generated by the connection between the contact of the relay and the second terminal, and controlling the relay so that the contact of the relay is connected to the terminal having the lower voltage value; and an electromagnetic wave shielding unit for providing the electromagnetic wave generated by an electric and electronic device to the terminal having the lower voltage value.

REFERENCES:
patent: 5837971 (1998-11-01), Lee
patent: 6300597 (2001-10-01), Lee
patent: 6392554 (2002-05-01), Lee et al.

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