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Reexamination Certificate
2007-05-18
2010-10-19
Silbermann, Joanne (Department: 3611)
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Reexamination Certificate
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07814691
ABSTRACT:
Coatings with left-handed metamaterials (which are man-made materials comprising micro-structures having unusual electro-magnetic properties) are provided around an appliance, such as a hotplate or hob, incorporating induction heating coils that functions as an optical display. In one embodiment, operation of induction heating coils in the cook top alters the optical properties of the metamaterial. Thus, if the metamaterials were previously transparent, they can now become opaque. Doing so changes a display, which can be detected by an operator. This makes it possible to create an automatic operating display for an appliance, such as an induction based hob.
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Alston & Bird LLP
E.G.O. Elektro-Geraetebau GmbH
Silbermann Joanne
Veraa Christopher E
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