Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Reexamination Certificate
2006-03-28
2006-03-28
Cheng, Joe H. (Department: 3715)
Education and demonstration
Communication aids for the handicapped
Tactile reading aid
C434S112000, C148S580000
Reexamination Certificate
active
07018209
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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Lau Wunji
Said Joe P.
Schleppenbach David A.
Purdue Research Foundation
Woodard Emhardt Moriarty McNett & Henry LLP
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