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lNSER SECURITY SYSTEM

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Introduction

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Basics of Laser Security System

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Working principle

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Components of SecuritySystem

LDR

Where ,R = resistance of the sensorRd =dark resistanceI =intensity of the light

α, =these are constants which are material dependent.

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Components of System (continued)

Laser

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Components of System (continued)

555 timer

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Components of Linear Motors

Siren

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Installation Techniques

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advantage High Efficiency Fast Response easily maintainable Durable Cost efficient

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dis-advantage

Heating effect in LDR Lasting Notification for any types of object

pplications This Laser Security System is very useful in high command

security place Hostel Hospitals Institutions Buildings

a

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IEEE spectrum ( May 2009), the 555 was selected as one of the” 25 Microchips that shook the world”. Adel S. Sedra & Kenneth C. Smith.,”Microelectronics Circuit 6th edition” D. patranabis,” Sensors and Transducers” 2nd edition. Kogelnik, H., and Li, T., "Laser beams and resonators," Appl. Opt., vol. 5, Oct. 1966.Diffenderfes, Robert (2005). Electronic Devices: System and Applications. New Delhi: Delimar. p. 480. ISBN 978-1401835149

References

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Contributed by....................

Suman SinghaB-Tech(Electrical &Electronics Engg.)

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