Surveillance

Survillence cameras are being installed everywere for purpose of Security and crime prevention and detection.There are many types of survillence cameras are available for this purpose.

1.Indoor camera

2.Outdoor camera

3.IR day/Night camera

4.Dome camera

5.Bullet camera

6.Hidden camera

7.Pan tilt zoom camera

APPLICATION OF SURVILLANCE:

1.Monitoring traffic on a bridge.

2.Recording the inside of a baking oven to find the cause of problems.

3.A temporary system to carry out a traffic survey in a town centre.

3.Time lapse recording for the animation of plasticine puppets.

4.Used by the stage manager of a show to see obscured parts of a set.

5.The well-publicised use at football stadiums.

6.Hidden in buses to control vandalism.

7.Recording the birth of a gorilla at a zoo.

8.Making a wildlife program using a large model helicopter.

  1. Reproducing the infrared vision of a goldfish!

10.Aerial photography from a hot air balloon.

11.Production control in a factory.

Wired cctv system:wired cctv connect the camera to the recording device and monitor with the help of standard coaxial cables or fiber optic cables.The image data is usually transmitted over a coxial cable .The signal transmitted over these cables is then fed into or set of monitors if the image needs to be visible indifferent locations.

Wireless cctv system:Basically,wireless cctv systems are similar to wired cctv systems.The difference is that a radio transmitter is attached to the camera.A radio receiver then attached to the input on the monitor system.Wireless systems are usually when the diastance between the camera and the monitors is too far to be practical for a cable run.

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