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DOOR LOCK SYSTEM<br />
USING SHAPE MEMORY ALLOY ACTUATOR<br />
Dr. Ermira Junita<br />
Abdullah<br />
Invention<br />
Usefulness &<br />
Applications<br />
Benefits<br />
Market<br />
Potential<br />
• The Door Lock System automatically senses heat from fire or actuated<br />
by current from the smoke detector due to the shape memory alloy<br />
(SMA) spring that acts as both actuator and sensor for the door<br />
locking mechanism.<br />
• Automatically unlocks door during fire<br />
• Easy escape for occupants<br />
• Reduce injury and death due to fire<br />
• Increased safety<br />
• Improved reliability<br />
• Low cost<br />
• Easy installation<br />
• Safety Equipment Industry<br />
• Building and Construction
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