Actuator apparatus and image pickup unit

Details Actuator apparatus and image pickup unit Actuator apparatus and image pickup unit

2011-06-14

2011-06-14

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S824000, C359S554000, C359S557000, C359S696000, C600S151000, C348S065000, C396S132000, C396S418000, C060S527000

Reexamination Certificate

active

07961412

ABSTRACT:
An actuator apparatus of the present invention includes a movable body that is arranged so as to be movable forward or rearward, and a shape memory alloy wire that is provided directly or indirectly to the movable body so as to enter a non-tension state at an ordinary temperature. The shape memory alloy wire is subjected to expansion/contraction control in which an electric current is applied thereto from a power supply portion of an external control circuit portion to change a temperature thereof to a predetermined temperature.

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