confined to a small portion of the electromagnetic spectrum called visible light. Enhanced spectral range allows the viewer to take advantage of non-visible sources of electromagnetic radiation (such as near-infrared or ultraviolet radiation). Some animals can see using much more of the infrared and/or ultraviolet spectrum than humans. Intensity range: Sufficient intensity range is simply the ability to see with very small quantities of light.[2] Many animals have better night vision than humans
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Infrared security alarm Introduction: Not so long ago an alarm was a fairly rare sight‚ however now almost every house has an alarm of some kind. One common kind of security system is an infrared home security system. These are so popular because they are easy to install without having to drill holes and lay cable infrared radiation is invisible to the human eye but can be detected by electronic devices designed for such a purpose. The sensors are set at the door or some supervised
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Mechanical Design and Construction Tasks 5 4.2.1 Sensors and Motors 5 4.3 Electronics Tasks 5 4.4 Tasks for Weeks #3 and #4 6 5. Infrared Receiver Board (IRB) Fabrication 6 5.1 Practice Soldering 6 5.2 Resistors 7 5.3 Capacitors 8 5.4 Sockets for Integrated Circuits 8 5.5 Light Emitting Diodes (LED) 9 5.6 Transistors 9 5.7 Connectors 10 5.8 Infrared Detectors 10 5.9 Fuse 11 5.10 Final Inspection 11 6. IRB Theory of Operation 11 6.1 Tuning Circuit 11 6.2 Exposure Control
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work in ultra-violet light. Wood has been described as the "father of both infrared and ultraviolet photography" because of the discovery of electromagnetic radiation beyond the visible spectrum and the development of photographic emulsions. He was the first to intentionally produce photographs with both infrared and ultraviolet radiation. He also coined the slightly surreal glowing appearance of foliage in infrared photographs as “Wood effect”. He identified a very low ultraviolet reflectivity
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electromagnetic spectrum. This visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow - from reds and oranges‚ through blues and purples!! The electromagnetic spectrum has 7 parts to it‚ radio waves‚ microwaves‚ infrared waves‚ visible light‚ ultra violet‚ x-rays‚ and gamma waves. Radio waves~ are the electromagnetic waves with the wave length longer than 1mm‚ it is used for communication. Radio waves also have the longest wavelengths in the electromagnetic spectrum
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Executive Summary2 Introduction2 Working2 Components Used3 89C513 Light emitting diodes (LEDs) 4 Infrared Sensors 4 Seven Segment Display 6 Transistors 7 Circuitry7 Applications8 Future Development8 Conclusion8 1. Executive Summary The objective of the project was to create a circuit with an 8051 microcontroller that senses when an object passed through an infrared receiver’s receive path to automatically turn on lights and count how many times the receive path was blocked
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able to transfer data at faster speeds‚ and new network technology has increased security. Wireless technology sends and receives digital signals transmitted through the air by electrometric waves. Wireless Signal Types Microwave signals‚ Infrared Systems‚ Satellite Signals‚ and radio systems all have made strides in improving the signal speed and quality. Wireless signals have pros and cons that influence their commercial use and present day application. However‚ no matter the progress made
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GSM BASED HOME SECURITY SYSTEM A Project Report Submitted in partial fulfillment for the award of the Degree of Bachelor of Technology in Electronics & Communication Engineering. Supervisor Submitted By: Ms. Neelu Pareek Ramraj Meena (09ESOECM30P100) Somendra (09ESOECM30P112) (Asst. Prof. of ECE Dept.) Surendra Singh (09ESOECM30P120) NemiChand Jat (09ESOECM30P074) Department of Electronics & Communication Engineering Sobhasaria Group of Institutions Rajasthan Technical University 2012-2013
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a seminar report on “SIDEWINDER MISSILE” A SEMINAR REPORT SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF BACHELOR OF TECHNOLOGY IN MECHANICAL ENGINEERING BY BISWESWAR RANJAN HOTA ROLLNO: 1101297242 UNDER ESTEEMED GUIDANCE OF Mr. SAMEER KUMAR PANDA DEPARTMENT OF MECHANICAL ENGINEERING NALANDA INSTITUTE OF TECHNOLOGY BHUBANESWAR‚ (ODISHA) CERTIFICATE OF RECOMMENDATION This is to certify that the project report entitled “SIDEWINDER MISSILE”
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Seeing the Invisible A Lesson Giving Students an Opportunity to Discover Ultraviolet and Infrared Radiation Coming from the Sun By: Sallie M. Smith Howard B. Owens Science Center for the ISTP Mission istp.gsfc.nasa.gov/istp/outreach/solar_observation.pdf istp.gsfc.nasa.gov/istp/outreach/student_booklet.pdf 1 Seeing the Invisible - Table of Contents - 5 E’s Lesson Plan ........................................................................................................... 3 Teacher
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