Infrared Radiation Founder of IR Importance of IR in Human Life


This resource contains information about Infrared technology, who invented this technology and some infrared products.

Infrared Radiation



infrared


What Is Infrared



Infrared is invisible light beam having longer wavelength and lower frequency than that of visible light. Infrared radiation was invented by William Herschel. He found infrared radiation in sunlight on 11 February 1800. William Herschel was born on 15 November 1738 in Holy Roman Empire and died on 25 August 1822 at the age of 83 years in England. He had also discovered Uranus in 1781.

There are so many applications of Infrared which are vary useful for us. Some applications are as follow,

Applications :

(1)Night vision :

Night vision devices are works on infrared technology. Using night vision devices we can see even when there is not enough light to see using naked eyes.

(2)Thermography:

Thermographic device like Thermographic camera use the radiation reflected from the object to capture image. Thermography is normally use in military and industries.


(3)Communications:

Now a day infrared technology use in mobile phones to communicate with other infrared device to transfer images, music files and other files. Infrared is also use in our television remote to communicate with television. Today there are so many infrared sensors are available in market which is use in large quantity for communications.

This image of earth was taken by GOES 6 satellite in 1986.
Infrred image of earth

Some Infrared Products :



(1) IR Day Night Camera



infrared day and night camera

This IR camera uses infrared technology. This camera can work in day as well as in night. In this camera inbuilt LEDs are provided to work in night. Normal cameras cannot work in night so that this is an advantage of this camera.

Specifications :
(1) Resolution: 420TVL
(2) Pixels:
NTSC: 510 x 492
PAL: 500 x 582
(3) Power supply: 12V DC
(4) Camera Lens: 3.6/6mm

Infrared Wireless Headphone



infrared wireless headphones

This is Wireless Headphone uses infrared technology for car audio systems. This wireless headphone compatible with any audio system. It provides high quality sound same as regular wired stereo headphones.

Specifications :
(1) S/N ratio: 60dB
(2) Battery: Two AAA battery.
(3) Range: 10 meters.


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