Wirelessly Charging Mobile Devices from Ambient RF Sources ABSTRACT: Wireless charging is any of several methods of charging batteries without the use of cables or device-specific AC adaptors. Wireless charging can be used for a wide variety of devices including cell phones‚ laptop computers and MP3 players as well as larger objects‚ such as robots and electric cars. Radio charging is used for charging items with small batteries and low power requirements‚ such as watches‚ hearing aids‚ medical
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NO. 1 AIM :- To study wave guide components. APPARATUS REQUIRED :- Flanges‚ Twisted wave guide‚ wave guide tees‚ Directional Coupler‚ Attenuator‚ Isolators‚ Circulators‚ Matched terminator‚ Slide screw tuner‚ Slotted Section‚ Tunable probe‚ Horn antennas‚ Movable Short‚ Detector mount. THEORY:- A pipe with any sort of cross- section that could be used as a wave guide or system of conductors for carrying electromagnetic wave‚ is called a wave guide in which the waves are truly guided. (1) FLANGES
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reason for the Stroop effect as there has been some conflict in past research it seemed another study was needed. For this study participants were presentation with a colour and a word which was either in-congruent‚ neutral or congruent the colour patch and word will be presented to the participant either simultaneously or after a varied amount of time. It was found that when presented simultaneously there was evidence of the Horse Race model‚ however as the delay in time increased the interference
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Study‚ design‚ and fabrication of power amplifier module to be used for low-attitude radar system operating at UHF band (820MHz-900MHz) Long Hoang Duc* Duong Bach Gia University of Engineering and Technology‚ Hanoi VNU 144th Xuan Thuy road‚ Cau Giay Dist Hanoi‚ Vietnam (*) Corresponding author Email: longhd@vnu.edu.vn University of Engineering and Technology‚ Hanoi VNU 144th Xuan Thuy‚ Cau Giay Dist Hanoi‚ Vietnam Email: duongbg@vnu.edu.vn Abstract—In this paper‚ we introduces
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CHAPTER ONE - INTRODUCTION 1.1 PURPOSE OF INDUSTRIAL ATTACHMENT The Industrial Attachment program also known as Student Industrial Work Experience Scheme (SIWES) fulfills part of the requirement in pursuing the degree of Bachelor of Science (Computer Science) in the Redeemer’s University. This is a training that should last for a minimum of six months. It is intended to expose student to the real life working experience. 1.2.1 OBJECTIVES OF SIWES The objectives of SIWES are: *
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information between two or more points that are not physically connected. Distances between the two points can be short or as far as thousands or even millions of kilometers. Different ways can be used to establish wireless communication. Basically‚ antennas are used as transmitter and receiver in wireless communications like cellular telephones‚ satellite communications‚ radio broadcasting‚ etc. Despite many advantages of wireless communication there are many factors that affect the quality of wireless
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GOOGLE BALLOON ABSTRACT: Many of us think of the Internet as a global community. But two-thirds of the world’s population does not yet have Internet access. Project Loon is a network of balloons traveling on the edge of space‚ designed to connect people in rural and remote areas‚ help fill coverage gaps‚ and bring people back online after disasters. In an effort to provide affordable Internet access in areas with little or no infrastructure‚ Google has begun lofting wireless Internet
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CRUISE CONTROL DEVICE INTRODUCTION Everyday the media brings us horrible news on road accidents. Once a report said that the damaged property and other costs may equal 3 % of the world’s gross domestic product. The concept of assisting driver in longitudinal vehicle control to avoid collisions has been a major focal point of research at many automobile companies and research organizations. The idea of driver assistance was started with the ‘cruise control devices’ first appeared in 1970’s
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weeks duration in the summer vacation after 4th semester 2 PTU/BOS/EC/101/08-05-2004/BATCH 2004 5th Semester CODE EC-301 ME-251 EC-303 EC-305 EC-307 EC-309 EC-311 EC-313 EC-315 SUBJECT Analog Communication Systems Total Quality Management Antenna & Wave Propagation Linear Integrated Circuits Microprocessors & its applications Pulse‚ Digital & Switching Circuits Lab-VII: Analog Communication Systems Lab-VIII: Linear Integrated Circuits Lab-IX: Microprocessors Institutional Training TOTAL: 32
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this display board. For effectively implementing this RFID based display board each and every student should have their own unique electronic ID card. FUNCTIONAL BLOCK DIAGRAM DISPLAY BOARD SECTION LED DOT MATRIX ARRAY PIC 16F877A CONTROLLER POWER 4017 ARRAY RF RECEIVER RFID READER TRNSMITTER SECTION POWER Transmitter 434 MHz RS232 – TTL Converter FUNCTIONAL DESCRIPTION POWER SUPPLY Power supply section power the whole circuitry. Different section
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