Camera Focuses Automatically

Most compact cameras have a tiny electric motor driving a transmitter that emits a beam of infra red light. The transmitter is linked to the lens. This lens moves in or out as the beam scans- focusing from near to far. This beam reflects back from the object to the camera. Then a sensor monitors its signals and stops the transmitter when the strongest signal shows that the lens is in focus. This automatically triggers the shutter.

                                   

          C-Mount Camera

         

C-Mount cameras have flexibility of adjustment with any type of C-Mount ordinary lens, auto iris lens, very- focal lens and zoom lens depending on the site requirement. They are available in various shapes, sizes, and specifications.

Dome camera

This is the most commonly used camera which fits in all types of applications whether it is a big commercial hub like a shopping mall or a small establishment.  Dome camera comes in various shapes, sizes, colors, which go well with the interiors. It is also available with various lens attachments like a fixed lens, very-focal lens, very-focal auto iris lens, manual iris lens etc. Dome cameras are also available for night vision applications. Automatically taken pictures will be stored in the memory unit or can be directly stored to the computer with the help of cables. Mostly these cameras are fitted secretly. The working principle is same as that of cameras. But this camera doesn’t have flash.   

IR Camera

These cameras are used for night vision applications. Available in both indoor and outdoor applications also with various viewing capacity (10 mt, 20 mt, 50 mt etc.) depending up on the requirement. With the help of Pan Unit, Tilt Unit etc. camera will rotate. With the help of DVR system it can be stored.

Camera has much importance among the safety equipments available in the market. Camera was discovered by George Eastman. Even Eastman might not have thought that camera will attain this much importance in human life. Most popular security equipments are cameras. The price is depended up on the need.

CCTV

                                                                                 

CCTV answers diversified need for high performance surveillance systems in today rapidly changing world. The companies are adopting latest technologies and new ideas in creating quality products, new surveillance systems for present day situations such as various devices for large scale surveillance systems, various devices that offer super picture quality etc. This is extensively used in

1.      Malls

2.      Shops

3.      Hospitals

4.      Factory

5.      Bank

6.      Hotel

7.      Jewelry

ABOUT THE SAFETY EQUIPMENTS

Man started his journey thousands of years ago. To survive weather, and animals he made many methods. Made caves, and made weapons… His mind became vivacious… He started doing business… He became a social being. Social thoughts came into his mind. These are the information that we get from cave paintings and frescos. The development in the field of literature paved way for development in science. Science was prevalent before literature. But development in literature made man very friendly with science. He started to tug with hard situations. The modern world that we see today is the after effect of his endeavor and curiosity. Man thought about everyday miracles.

The above mentioned specialties invigorate the semi-branches such as Physics, Chemistry, Biology, Mathematics, Geography, Economics etc. By 19^th century, these subjects were also subjected to division. The subjects such as Nuclear Physics, Electro Chemistry, Bio Chemistry etc. developed. Yet our errand is not at all completed. Man is searching for new branches. It is a gigantic task. Now he is familiar with that gigantic task.

Technology by 1950 became inevitable part of human life. The dastard men used it for achieving victories in wars and suppress another socially-economically-and politically. The number of electronic companies and electronic appliances are increasing day by day. The economy of some countries like Japan, Korea became very dependent on it. The field of security instruments also developed. The man who had used sharp weapons to survive animals is now using ultra modern safety equipments. The development in the field of science & technology is the reason for it. To secure his properties, he has new techniques with him. The modern safety equipments include:

Ø  CCTV

Ø  Burglar alarm

Ø  Dome camera

Ø  Photo Electric Smoke detector

Ø  Bio Metric Lock

Ø  Readers

Ø  Metal Detector

Ø  Electro magnetic locks

INTRODUCTION

Look……….. These are some of the news which we always come across in the electronic and print media. These are reproduced here not for frightening you but to create awareness of the inevitable scientific measures for human safety and security.

The human beings, in general, from the time immemorial, are looking forward for satisfying many needs. One among them is the need for security. Security was a huge problem for him. He, the comparatively power less early man wants to fight with the cruel wild animals, with forest fire and with many mysteries in the forest. So he, the early man worshipped the rain, the fire & all his enemies to escape from them.

Yes, the very first security measure resorted to by man to save his life was prayer. This later led him to many superstitions. However as centuries passed, thanks to scientific inventions, the helpless man started applying the scientific measures to save his life and his properties.

Now our world has totally changed. We are living in 21^st century, the century of the computer & information technology. In this period, our enemies are not wild animals, but our specie it self. Now also, even in this computer age we can’t tell we are completely secure.

Yes, we want to attain 100% security, but we, the common people don’t know how to accomplish our aim. Only through science and modern technological measures we can achieve such an aim

Common people are not aware of the facilities that provided by the science in the field of security. In such a situation, we are sure that this project will disclose the significant of science in providing security.    

Sumitha teacher 28-9-11

                                            CERTIFICATION BY THE GUIDE

I here by certify that this project is done by Hari Gopinath and Hari.K.N from 29-8-11 to 23-9-11 as part of their Science Exhibition. They collected information from the following sources.

v Internet

v Books

v Information received through survey

                                                                                                                   Sumitha 

                                                                                                                 Physics teacher

                                                                                         

Project Report

Name of the project : “A scientific study of security equipments”

Subject                  : Physics

Year                      : 2011-2012    

Name of the students      : Hari Gopinath

                             Hari.K.N

Name of the Guide  : Sumitha

Class & Division             : X.A

Name of School             : S.D.V.H.S.S Peramangalam