The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2007
Filed:
Apr. 13, 2004
Bradley Charles Jones, Endeavour Hills, AU;
Christopher Gerard Byrne, Rowville, AU;
Johan Gosse Lemmens, Ferntree Gully, AU;
Libin NI, Glen Waverley, AU;
Bradley Charles Jones, Endeavour Hills, AU;
Christopher Gerard Byrne, Rowville, AU;
Johan Gosse Lemmens, Ferntree Gully, AU;
Libin Ni, Glen Waverley, AU;
PENTAX Corporation, Tokyo, JP;
Optiscan PTY Ltd., Notting Hill, AU;
Abstract
A position control apparatus for controlling position along an axis, comprising: an extensible member that can be extended and contracted along said axis, comprising shape memory alloy locatable to expand and contract along said axis, heating means for controlling said temperature of said shape memory alloy, and a feedback mechanism for controlling said heating means and responsive to variations in said position, wherein said position is controllable by means of said heating means and can be stabilized by means of said feedback mechanism.