Shape-changing control panel button based on...

Electricity: circuit makers and breakers – Snap – Double snap

Reexamination Certificate

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Reexamination Certificate

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07858891

ABSTRACT:
A button configuration includes a shape-changing button that has a central region and a peripheral region. The peripheral region encircles the central region and defines a surface plane. The shape-changing button has an active state and an inactive state. The central region of the button protrudes from the surface plane and provides a push button function when the button is in the active state. The central region of the button extends substantially in the surface plane and provides no push button function when the button is in the inactive state. A control panel having shape-changing buttons is also provided.

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patent: 2 521 721 (2004-10-01), None
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Andreas Lenlein, “Shape Memory Polymers—Biodegradable Sutures,” available at http://www.azom.com/details.asp?ArticleID=1542, accessed on Dec. 21, 2005.
Website of Composite Technology Development, Inc., “Elastic Memory Composite (EMC) Material,” available at http://www.ctd-materials.com/products/emc.htm, accessed on Dec. 21, 2005.
Steven Ashley, Artificial Muscles, Scientific American Magazine, Oct. 2003, pp. 53-59.

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