Match the following:
1. Project pulsed infrared from a transmitter to receiver
2. Operates at a very high frequency
3. Detect the sound of breaking glass
4. Sense a change in heat
5. Sound waves bounce off the object and back to the sensor’s receiver
6. Must be a direct path from transmitter to receiver
7. Continually emits an infrared light by infrared light-emitting diode
8. Glass break sensor
9. Combine more than one technology in one enclosure
10. Allow security guards to monitor areas where they do not have to be present
A. Passive Infrared
B. Active Infrared
C. Ultrasonic
D. Microwave/Radar
E. Vibration
F. Dual-Technology
Motion
G. Acoustic
H. Photoelectric Beam
I. Video Motion
Detection
1. H
2. D
3. G
4. A
5. C
6. H
7. B
8. G
9. F
10. I
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