Motion Detectors by Wiremu and Kris

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Technology Today:Motion Detectors! : 

Technology Today:Motion Detectors! Presenters: Wiremu Thompson Kris Devereux

What Is A Motion Detector? : 

What Is A Motion Detector? a Motion detector is a machine that detects movement from anything coming into a room.

What Do Motion Detectors Do? : 

What Do Motion Detectors Do? Some motion detectors turn on lights. Others warn people of intruders. Some motion detectors open and close doors.

How Many Types Are There? : 

How Many Types Are There? There are three types of motion detectors. The passive infrared detector. [PIR] The ultrasonic detector. And the microwave detector.

The Passive Infrared Detector [PIR] : 

The Passive Infrared Detector [PIR] The passive infrared [PIR] detector looks for body heat coming out of anyone in the room.

The Ultrasonic Motion Detector : 

The Ultrasonic Motion Detector The ultrasonic motion detector sends out pulses and measures the reflection off a moving object.

The Microwave Sensor : 

The Microwave Sensor The sensor sends out microwave pulses and measures the reflection off a moving object.

Fast facts : 

Fast facts Sam Bagno invented the motion detector. The first motion detectors were sold in June 1950. Sam Bagno was born in west Springfield.

A Basic Diagram Of A Motion Detector : 

A Basic Diagram Of A Motion Detector

References : 

References www.freepatentsonline.com www.wikipedia.org/ www.glolab.com

THE END : 

THE END Thank You For Watching Our Slideshow.

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