Actuator for an optical-mechanical scanner and a method of...

Details Actuator for an optical-mechanical scanner and a method of... Actuator for an optical-mechanical scanner and a method of...

2006-11-28

2006-11-28

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

By moving a reflective element

C359S198100

Reexamination Certificate

active

07142341

ABSTRACT:
In an actuator for an optical mechanical scanner comprising a positioning element for an optical mirror wherein the positioning element is an electrically heatable flexible element consisting of a shape memory alloy having a Curie temperature and a transformation temperature, and wherein the flexible element is ferromagnetic when cold and can be bent in a first position by a magnet but is heated to exceed the Curie temperature and the transformation temperature so as to become paramagnetic whereby the flexible element becomes deformed in the opposite direction.

REFERENCES:
patent: 5982521 (1999-11-01), Bessho et al.
patent: 6057947 (2000-05-01), Hobbs et al.
patent: 197 21 349 (1999-12-01), None
patent: 08 122679 (1996-05-01), None
patent: 08 262364 (1996-10-01), None
patent: WO 01/16484 (2001-03-01), None

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