Electrostatic discharge protection and method in power supply

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United States of America Patent

PATENT NO 9281683
SERIAL NO

14631311

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Abstract

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The switched mode power supply and method has respective AC circuit and DC circuit portions, each having their own respective grounds. To each of these respective grounds an attachment point providing an energy pathway to ground is defined. A spark gap structure, coupled between the attachment points, substantially inhibits the flow of direct current between the attachment points while providing a static electricity energy path between the attachment points. The spark gap structures may be implemented by circuit board traces, by electronic circuit component leads, by spaced apart structures such as heat sinks or by other discharging components. In this way the power supply does not need to rely on an earth ground in order to protect against damage due to electrostatic discharge.

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Patent Owner(s)

  • LA-Z-BOY INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Tahir Dundee, US 6 58

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