CHAPTER 1 INTRODUCTION The rapid development in science and technology has paved its way for sophistication by automation. People now a days‚ are inclined towards devices that are sophisticated‚ simpler to use and secure. In this project entitled “Home Appliances Control using Different Controlling Modes “‚ a prototype is developed which shows how the best utilization of technology can be made in order to secure a home not only from threat but also by ensuring all the safety measures. The
Premium Remote control Infrared Speech recognition
describe the different lasers and IPL systems that are in the industry today. Include Alexandrite‚ Rudy‚ Diode‚ Nd: Yag (lasers)‚ Intense Pulsed Light and Light Heat Energy (broadband spectrum systems) Alexandrite – absorbed by melanin‚ is (near infrared) is most effective when used on pale skin and isn’t safe to use on darker skin. It is 755nm visible light wave length. It has a pulsed driod array of 810 nm for pale to medium skin types. Alexandrite has an observed colour change from green to red
Premium Laser Light Human skin color
INTERNATIONAL JOURNAL OF BIOMEDICAL SCIENCES VOLUME 2 NUMBER 3 2007 ISSN 1306-1216 Biometric Authentication Using Fast Correlation of Near Infrared Hand Vein Patterns Mohamed Shahin‚ Ahmed Badawi‚ and Mohamed Kamel behavioral categories. Common physiological biometrics include face‚ eye (retina or iris)‚ finger (fingertip‚ thumb‚ finger length or pattern)‚ palm (print or topography)‚ and geometry‚ back of the hand vein pattern or thermal images. Behavioral biometrics includes voiceprints
Premium Infrared Biometrics Image processing
ACKNOWLEDGEMENTS It is usually said that no man is an island unto himself‚ and any man who so lives all by himself‚ without interacting with his fellow men is in the words of Aristotle‚ “either a beast or a god”. Mutual co-operation and interaction form the cardinal feature of human life. The task of writing this report has not‚ in the least‚ been an easy one‚ and it would be axiomatic to add that all the numerous tasks involved could not be have been accomplished successfully singly
Premium Infrared Spectroscopy Preventive maintenance
300 GHz. In this RF system‚ the digital data is represented as variations in the amplitude of carrier wave. This kind of modulation is known as Amplitude Shift Keying (ASK). Transmission through RF is better than IR (infrared) because of many reasons. Firstly‚ signals through RF can travel through larger distances making it suitable for long range applications. Also‚ while IR mostly operates in line-of-sight mode‚ RF signals can travel even when there is an obstruction
Premium Infrared Output Wireless
energy. Light’s lower frequency is red‚ and the higher frequency is blue. Like sound‚ light has frequencies humans can’t detect. Ultraviolet light is at a frequency higher than violet‚ and infrared is at the frequency lower than the red of visible light. We get UV (ultraviolet) rays from the sun‚ and infrared is used in night vision to see better. Sound travels at about 1‚200 k/hr while light travels at about 300‚000 km/s. It’s easy to notice how slowly sound travels. Take‚ for instance‚ a soccer
Premium Wavelength Electromagnetic radiation Wave
The IR spectrum in KBr was a great way to compare the library spectrum to the crude and recrystallized Phenacetin. The KBr is a compound that does not show up in the spectrum‚ only the crude and recrystallized Phenacetin show. In this experiment‚ the crude had an 87.17% match to the library. In the recrystallized Phenacetin‚ the IR spectrum was taken twice due to the amount of KBr used in the pellet. The first recrystallized spectrum had a 68% match to the library spectrum. That not being
Premium Infrared Wavelength Functional group
once cannot be re-winded. Advanced technology offers some hope avoid these up to some extent. This project involves measure and controls the eye blink using IR sensor. The IR transmitter is used to transmit the infrared rays in our eye. The IR receiver is used to receive the reflected infrared rays of eye. If the eye is closed means the output of IR receiver is high otherwise the IR receiver output is low. This to know the eye is closing or opening position. This output is give to logic circuit to
Premium Infrared Transistor Capacitor
Remote Control For Home Appliances This is a simple remote control circuit based on infrared sensor IC TSOP1738. TSOP1738 contains photo detector and pre-amplifier both in one package. It is a three terminal device. Pin 1 is for ground‚ Pin 2 is for power supply and pin 3 is used as output. Pin diagram of TSOP1738 is shown below. Take care while connecting the pins of TSOP1738. Wrong lead connection of TSOP1738 may lead to sensor damage. CD4017 is a CMOS counter/ divider IC. It takes clock signal
Premium Infrared
but using your phone as a universal remote is no longer a tech dream. TVs‚ DVD players‚ cable boxes and stereos use an infrared (IR) signal to know when to do things like change the channel or play the DVD. To convert your phone into a universal remote you’ll need to purchase a device called an IR blaster that takes the commands you give on your phone and converts them into infrared signals. There are different devices that can do this‚ from pear-shaped orbs you sit on your table to covers that fit
Premium Infrared Remote control Consumer electronics