Apparatus and methods for a shape memory spring actuator and display
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United States of America Patent
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Mar 28, 2006
Issued Date -
N/A
app pub date -
Dec 30, 2003
filing date -
Mar 18, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Various apparatus and methods for an actuator and display using one or more shape memory springs. A shape memory spring is heated and urges a pin to a first or extended position. The pin may be supported in the first position by a supporting mechanism. The shape memory spring is heated electically, and in some embodiments under the control of a processor. The present invention may be used to display information provided in a user interface from a computer program, including text, numerical data, and graphical images.
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