Asסס they cross a check point by detecting tags or label that resonate with: -- Radio Frequency field in RF systems
|
|
- Ralf Miles
- 7 years ago
- Views:
Transcription
1 ELECTRONIC ARTICLE SURVEILLANCE Overview EAS: Shrinkage accounts for any loss of inventory due to shoplifting, employee theft, administrative error or vendor fraud. Sources of retail shrinkage are: shoplifting (41.2%), employee theft (36.5%), internal error (16.5%) and suppliers/vendors (5.8%). Among the most stolen items include cosmetics and skin care, alcohol, women s wear/apparel, perfume and designer wear. Electronic Article Surveillance, like other loss prevention technologies like CCTV has significantly helped reduce the part relative to the shoplifting, mainly as a dissuasive factor as no EAS system can be 100$ proof. EAS has actually 3 different approaches in monitoring the articles in shops, book shops, pharmacies, libraries, : Asסס they cross a check point by detecting tags or label that resonate with: -- Radio Frequency field in RF systems -- An Acousto-magnetic field in AM systems -- An Electromagnetic field in EM systems Asסס they cross a check point by identifying RF labels with unique ID in RFID systems Whileסס they are on their shelves by hooking them to a wired system that would signal any attempt to detach the article from its connection. Bothסס at the shelf and at the exit using the 3 Alarm tags that would sound off the alarm if ever removed by force from the article, moved across the antennas at the exit, and continue to sound even after it leaves the shop for several minutes. Or simply by using Ink Tags that would break and permanently damage the ornament it was tagged to if ever removed by force inside or outside the shop. Not to forget that some articles are better protected inside safes or tied with Wraps or simply tangled with metal wires. Note that Source Tagging provides a positive return on investment for retailers by shifting the application process of labels and disposable hard tags to the supplier who can apply these security devices more efficiently and consistently. Additional benefits for retailers include: -- Reduced in-store labor costs, -- Increased focus on the customer -- Improved merchandising opportunities -- Reduced out of stocks -- Increased speed of products to selling floor to drive increased sales. The following article will shed some light on the above 4 different systems. Swept Radio Frequency (8.2MHz) Technology: RF systems transmit a signal that varies between 7.4 and 8.8 MHz with a center frequency of 8.2 MHz (often described simply as the bandwidth ). The label consists of an induction coil and a capacitor in circuit, each of which store electrical energy. When entering an Electro Magnetic Field a current is induced in the coil which builds charge in the capacitor. When the energy in the coil and capacitor are matched they will resonate. The design of the label requires the circuit to be chemically etched into aluminum foil forming the coil and capacitor and then embedded onto paper. To deactivate the 51
2 label a device is used that is very similar to the transmitter, except that it creates a stronger field. The higher level of power in the label causes the capacitor to short, similar to a fuse in a common appliance except in reverse. The size of the label is important for performance reasons. The standard size of label is 4 x 4 cm label sizes smaller than this have different performance characteristics. Different hard tags are available; and the circuit within them is exactly the same as the label, with the exception that a copper winding and proper capacitor are used. In line with the general rules of EAS, larger hard tags do give improved exit spacing to RF systems; however, at these increased distances RF labels will not be detected. Due to the frequency used by RF systems, there are strict installation guidelines that should be followed to ensure they are effective in the field. Of particular concern for these systems is electrical noise. Vertical power cables, neon lights, etc, can all very badly affect the performance of the system. Passive noise sources are also a major issue. RF systems cannot be installed near metal doors and even the metal edging around door mats. Nevertheless, new improved noise reduction filtering and the 360 radio frequency technology employing a rotating RF field have vastly improved tag detection, regardless of the type of tag or the angle at which it is carried through the system, supporting wider aisles, and providing more flexibility in terms of store layout. Note that RF systems exist as mono-antennas combining in one pedestal the transmitter and the receiver, and could be fitted with counters to log on a PC the number of people entering and leaving the premises. As a rule of thumb the maximum opening for RF hard tags is 220cm while for 4x4 labels is 180cm.
3 Acousto-Magnetic (58 KHz) Technology: As the latest EAS technology, AM can achieve very wide exit detection combined with small tags and labels, and greater detection performance against shielding. AM systems create a detection zone by transmitting at 58 khz. This transmitted signal is not continuous but sent in bursts, or when a tag or label enters the detection zone it is energized by the transmit pulse, when the transmit signal ends the label or tag responds by sending it s own 58kHz signal. Like a tuning fork, the signal will decay or ring-down (reduce in amplitude after the initial response). When the transmitter is off between transmitted pulses, the receiver listens for a signal from the tag. The receiver has a very narrow bandwidth (600 Hz). The received signal is processed by the receiver to ensure that the signal occurs at the right time and at the correct repetition rate, further confirmed a number of times before triggering an audible alarm or alarm activity. The ability of the system to detect smaller labels and to use a very narrow bandwidth comes from the design of the tag and label. The AM tag or label contains two elements within a three dimensional plastic housing consisting of amorphous resonator material with magnetic properties and a bias magnetic strip. When aligned on top of the magnet, the amorphous material vibrates at a defined frequency. The frequency of the tag is dictated by the length of the strip. Deactivation of the AM label is carried out by (degaussing) the magnet, a process that does not rely on complex design within the label -- only on the magnetic properties of the bias magnetic strip. This simple operation shifts the frequency of the label outside the detection window and can be carried out repeatedly, enabling the label to be turned on and 7 off within the supply chain any number of times. As a rule of thum, the maximum opening for AM tags is 250cm while the AM labels is 190cm. Acousto-Magnetic
4 Electromagnetic (200Hz) Technology: The electromagnetic EAS system creates a low frequency electromagnetic field (fundamental frequencies between 70 Hz and 1 khz are typically used) between two pedestals at an exit or checkout aisle. The field continuously varies in strength and polarity, repeating a cycle from positive to negative and back to positive again. With each half cycle, the polarity of the magnetic field between the pedestals changes. In response to the changing magnetic field created by the transmitter, the magnetic field domain of the tag material abruptly switches as the field strength varies past a particular point, whether positive or negative, during each half of the transmit cycle. This abrupt change in the magnetic state of tag material generates a momentary signal that is rich in harmonics (multiples) of the fundamental frequency. Using electronic signal processing techniques, the system identifies that the harmonics are at the right frequencies and levels, and that they occur at the proper time in relation to the transmitter signal. If the criteria are met an alarm occurs. EM labels are the slimmest of all labels and hence can be easily hidden in books or pharmaceutical boxes Unlike with the RF technology, the EM allows the labels to be alternatively activated and deactivated over and over again, while in the RF a deactivated label cannot be reactivated. This feature makes the EM system adequate for libraries where books are to be borrowed and returned. As a rule of thum, the maximum opening for EM strips is 120cm. Systems and Equipment cannot be reliable unless properly maintained by professionals on a yearly basis
5 Radio Frequency Identification RFID (13.56Mhz) Technology: As the same time retailers are investing in EAS they are looking for integrated, datadriven in-store solutions that can help them measure, manage and, ultimately, improve store operations. Currently retailers are increasing their investments in solutions that don t just reduce shrink, but also provide additional capabilities like remote diagnostics and service, operations applications such as store traffic counting, exception-based reporting with integrated digital CCTV that identifies areas of higher inventory losses (including employee theft), and cashier training issues or improper EAS tagging procedures. Many of these integrated solutions will be based on EAS infrastructures. The retail market is not homogeneous and customers will require a range of EAS and RFID solution sets. There is no single migration path from EAS to RFID. Rather, we foresee different needs-based scenarios where some retailers can benefits from combined EAS-RFID functionality whereas others may require a sequential approach. Depending on the existing infrastructure, a migration path would consider the following factors: Breadthסס of the RFID implementation Priceסס and velocity of items to be tagged Costסס of EAS versus RFID tags Frequencyסס of out-of-stock events Abilityסס of retailer s information infrastructure to manage the increasing flow of RFID data this applies to articles that were paid for in shops, or books that were borrowed, Or even if the checking is done at the counter then the system could eventually be used to identify the articles so as to charge the carrier for the total cost of the moved articles Recommendations Different EAS systems are suitable for different applications; nevertheless, which ever system one chooses one must clearly inform that the area is protected by an EAS system, as half of the theft could be eliminated by the disuation effect. Moreover, wide openings could be a nuisance, unless 3 alarm tags are used, as in case of alarm and multiple people are crossing the aisle, then the security guard will not bother everyone to find the thief and hence will let him go. The following devices can create or absorb noise signals which can reduce the performance of an EAS system: EASסס systems installed in other shops (even if they are installed up to 100m or more away from your store). Anyסס electronic device that operates around the same frequency or produces harmonic frequencies around that frequency. ( Moving )סס Objects containing metal, like sliding and revolving doors, elevators, Electronic devices, like computers, laptop screens, LCD screens, cash registers, engines, transformers, etc. Verticallyסס positioned power cables, both low voltage and high voltage. halogen, Lightsסס (flashing, fluorescent, gas-de-charge, etc.) A sophisticated anti-collision algorithm is also included to enable up to 25 items to be read within a second, which allows the system to identify multiple articles crossing the antennas at the exit, and allow the system to differentiate between the articles that are allowed access and others that are not; and
Electronic Article Surveillance A Technology Comparison
Electronic Article Surveillance A Technology Comparison Executive Summary Regardless of where your retail operation is based, shrink is a universal problem. Worldwide retailers recognize that shrink or
More informationHow To Understand The Power Of An Freddi Tag (Rfid) System
Radio Frequency Identification Done by: Haitham Habli. Table of contents Definition of RFID. Do they need license? RFID vs other identification systems. Classification of RFID systems. Emerge of passive
More informationEMC STANDARDS STANDARDS AND STANDARD MAKING BODIES. International. International Electrotechnical Commission (IEC) http://www.iec.
EMC STANDARDS The EMC standards that a particular electronic product must meet depend on the product application (commercial or military) and the country in which the product is to be used. These EMC regulatory
More informationElectromagnetic (EM) waves. Electric and Magnetic Fields. L 30 Electricity and Magnetism [7] James Clerk Maxwell (1831-1879)
L 30 Electricity and Magnetism [7] ELECTROMAGNETIC WAVES Faraday laid the groundwork with his discovery of electromagnetic induction Maxwell added the last piece of the puzzle Heinrich Hertz made the experimental
More information915MHz RFID State of the Art RFID
915MHz RFID State of the Art RFID LIBRARY BOOK / MEDIA MANAGEMENT and RFID TRACKING SYSTEM Executive Overview More and more libraries worldwide are utilizing RFID to automate the issue and return of books,
More informationSingle Transistor FM Transmitter Design
Single Transistor FM Transmitter Design In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency. FM is commonly used at VHF radio frequencies for
More informationCatalyst offers a broad product line of RFID systems for inventory management, omni- channel operations, customer experience and loss prevention.
Catalyst offers a broad product line of RFID systems for inventory management, omni- channel operations, customer experience and loss prevention. The company, a division of Li & Fung, and has more than
More informationStore Intelligence. Retail Excellence. Electronic Article Surveillance from security to retail performance
Store Intelligence. Retail Excellence Electronic Article Surveillance from security to retail performance Executive Summary Historically, shrink worldwide has posed a significant threat to retailers profits,
More informationEfficient Asset Tracking: From Manual to Automated
White Paper Efficient Asset Tracking: From Manual to Automated Asset Tracking Overview: Asset Tracking Basics: The Fixed Asset Register Managing a Fixed Asset Register Asset Identification Technologies
More informationCloud RFID UHF Gen 2
Cloud RFID UHF Gen 2 Supply chain visibility In store stock management and security. - Stock take by RFID - Stock search - Reorder report, - Dynamic reorder, Security. Introduction The Adilam RFID system
More informationInventory & Location System
PATENT HALO01-1 IN THE UNITED STATES PATENT AND TRADEMARK OFFICE Application for United States Letters Patent Inventory & Location System CERTIFICATE OF MAILING BY U.S.P.S. EXPRESS MAIL Mailing Label Number
More informationApplication Note AN-00125
Considerations for Operation within the 260 470MHz Band Introduction This application note is designed to give the reader a basic understanding of the legal and technical considerations for operation of
More informationRFID Basics HEGRO Belgium nv - Assesteenweg 25-29 - 1740 Ternat Tel.: +32 (0)2/582.31.97 Fax : +32 (0)2/582.11.24 email : info@hegrobelgium.
RFID Basics RFID Basics Introduction Radio Frequency Identification (RFID) technology has been attracting considerable attention with the expectation of improved supply chain visibility for both suppliers
More informationFundamental Operating Principles
3 Fundamental Operating Principles This chapter describes the basic interaction between transponder and reader, in particular the power supply to the transponder and the data transfer between transponder
More informationMotor Fundamentals. DC Motor
Motor Fundamentals Before we can examine the function of a drive, we must understand the basic operation of the motor. It is used to convert the electrical energy, supplied by the controller, to mechanical
More informationUNDERSTANDING AND CONTROLLING COMMON-MODE EMISSIONS IN HIGH-POWER ELECTRONICS
Page 1 UNDERSTANDING AND CONTROLLING COMMON-MODE EMISSIONS IN HIGH-POWER ELECTRONICS By Henry Ott Consultants Livingston, NJ 07039 (973) 992-1793 www.hottconsultants.com hott@ieee.org Page 2 THE BASIC
More informationAntenna Basic Concepts
ANTENNA An antenna is a device to transmit and/or receive electromagnetic waves. Electromagnetic waves are often referred to as radio waves. Most antennas are resonant devices, which operate efficiently
More informationPerformance Evaluation of a UWB-RFID System for Potential Space Applications Abstract
Performance Evaluation of a UWB-RFID System for Potential Space Applications Abstract This talk presents a brief overview of the ultra-wideband (UWB) RFID system with emphasis on the performance evaluation
More informationSCALING UP RFID FOR RETAIL CHAINS
SCALING UP RFID FOR RETAIL CHAINS PLANNING GUIDE 4. Implementation 3. Rollout Planning 2. Systems Architecture 1. Solution Definition SCALING UP RFID DEPLOYMENTS IN RETAIL After running successful pilots
More informationShielding Effectiveness Test Method. Harbour s LL, SB, and SS Coaxial Cables. Designs for Improved Shielding Effectiveness
Shielding Effectiveness Test Method Harbour s LL, SB, and SS Coaxial Cables Designs for Improved Shielding Effectiveness Harbour Industries 4744 Shelburne Road Shelburne Vermont 05482 USA 802-985-3311
More informationThe Place of Emerging RFID Technology in National Security and Development
The Place of Emerging RFID Technology in National Security and Development Akintola K.G. Boyinbode O.K. Computer Science Department, Computer Science Department, University of Houston-Victoria, University
More informationEvaluating Cell Phone and Personal Communications Equipment and their EMC Effects on Automotive Audio and In-Cabin Modules
Evaluating Cell Phone and Personal Communications Equipment and their EMC Effects on Automotive Audio and In-Cabin Modules Craig W. Fanning Elite Electronic Engineering, Inc. 1516 Centre Circle Downers
More informationImproving the Effectiveness of Retail Video Surveillance
Brochure Improving the Effectiveness of Retail Video Surveillance Cisco Video Surveillance for Retail solutions help you boost loss prevention effectiveness and much more. W ha t Y ou Will Lea rn Theft
More informationIP VIDEO SURVEILLANCE IN THE RETAIL INDUSTRY A MILESTONE BLUEPRINT ARTICLE
IP VIDEO SURVEILLANCE IN THE RETAIL INDUSTRY A MILESTONE BLUEPRINT ARTICLE People who work in the physical security industry tend to notice a lot of details. Like how many video cameras are present in
More information915MHz RFID State of the Art RFID RFID RADIO FREQUENCY IDENTIFICATION. Asset Management & Accountability
915MHz RFID State of the Art RFID RFID RADIO FREQUENCY IDENTIFICATION Asset Management & Accountability Scan Assets with Radio Waves to Rapidly Inventory Issued Assets and Assets in Storage Areas 1 Table
More informationEvolving Bar Codes. Y398 Internship. William Holmes
Evolving Bar Codes Y398 Internship By William Holmes Table of contents Introduction: What is RFID? Types of Tags: Advantages of Tags: RFID applications Conclusion: Introduction: Bar codes have evolved
More informationTechnique and Safety of. by Pierluigi Castellone, Electronics Engineer Brain Products General Manager
Technique and Safety of performing EEG/fMRI measurements by Pierluigi Castellone, Electronics Engineer Brain Products General Manager Contents of the presentation Why recording simultaneous EEG and fmri?
More informationWhite paper a Smarter Way to Mind the Store: ip-surveil ance
White paper A Smarter Way to Mind the Store: IP-Surveillance A guide for retail managers and executives on the advantages of IP-surveillance and management systems. Table of contents 1. Introduction 3
More informationMeeting TeTech. Version: 1.8, 15-July-2013, Author: Wim Telkamp, language: English
Meeting TeTech, English version TeTech M.H. Trompstraat 6 3601 HT Maarssen The Netherlands Tel: + 31 (0) 346 284004 Fax: + 31 (0) 346 283691 Email: info@tetech.nl Web: www.tetech.nl CoC: 30169033 VAT:
More informationImpedance Matching and Matching Networks. Valentin Todorow, December, 2009
Impedance Matching and Matching Networks Valentin Todorow, December, 2009 RF for Plasma Processing - Definition of RF What is RF? The IEEE Standard Dictionary of Electrical and Electronics Terms defines
More informationOI-TECH Asset Management
OI-TECH Asset Management Service Today with the Solutions for Tomorrow www.oi-tech.com OI Tech Asset Management RFID Technology - Overview RFID (Radio Frequency Identification) is a technology for identifying
More informationShunt lock function 3066
Version: January 2004 Contents Alarm System Activation unit Deactivation unit Digital locking cylinder or Smart Relay 1.0 Method of Operation 4 1.1 General 4 1.2 Turning the Alarm System On 4 1.3 Turning
More informationInternational Journal of Engineering Research & Management Technology
International Journal of Engineering Research & Management Technology March- 2015 Volume 2, Issue-2 Radio Frequency Identification Security System Mr. Shailendra Kumar Assistant Professor Department of
More informationAssembly Instructions: Shortwave Radio Kit
Assembly Instructions: Shortwave Radio Kit MTM Scientific, Inc P.O. Box 522 Clinton, MI 49236 U.S.A Introduction Fig 1: The assembled Shortwave Radio Kit The SHORTWAVE RADIO KIT (#SWRAD) from MTM Scientific
More information1-9 August 2003, Berlin
World Library and Information Congress: 69th IFLA General Conference and Council 1-9 August 2003, Berlin Code Number: 132-E Meeting: 113. Information Technology Simultaneous Interpretation: - Experiences
More informationMSAN-001 X-Band Microwave Motion Sensor Module Application Note
1. Introduction HB Series of microwave motion sensor module are X-Band Mono-static DRO Doppler transceiver front-end module. These modules are designed for movement detection, like intruder alarms, occupancy
More informationINTRUSION ALARM SYSTEM
INTRUSION ALARM SYSTEM Case studies reveal most burglars are deterred by the mere presence of an alarm system. Burglars attack unprotected premises considerably more often than ones protected by alarm
More informationRFID BASED VEHICLE TRACKING SYSTEM
RFID BASED VEHICLE TRACKING SYSTEM Operating a managed, busy parking lot can pose significant challenges, especially to a government organization that also owns some of the vehicles in the lot. The parking
More informationWireless RF Detector (Electronic Article Surveillance) Quick Installation and Debugging Guide Model: DYN-DPA-103
Wireless RF Detector (Electronic Article Surveillance) Quick Installation and Debugging Guide Model: DYN-DPA-03 www.dynapos.com Page Preface Thank you for choosing the electronic article surveillance (hereinafter
More informationDesign And Implementation Of Bank Locker Security System Based On Fingerprint Sensing Circuit And RFID Reader
Design And Implementation Of Bank Locker Security System Based On Sensing Circuit And RFID Reader Khaing Mar Htwe, Zaw Min Min Htun, Hla Myo Tun Abstract: The main goal of this system is to design a locker
More informationVideo Camera Installation Guide
Video Camera Installation Guide The intent of this guide is to provide the information needed to complete or modify a video camera installation to avoid lightning and induced power surge damage. This guide
More informationAPPLICATION NOTE ULTRASONIC CERAMIC TRANSDUCERS
APPLICATION NOTE ULTRASONIC CERAMIC TRANSDUCERS Selection and use of Ultrasonic Ceramic Transducers The purpose of this application note is to aid the user in the selection and application of the Ultrasonic
More informationUsers Manual FA106 / FA306 version 1.0. Field Analyzer. FA106 and FA306. Users Manual
Field Analyzer FA106 and FA306 Users Manual 1 Contents Contents...2 Preface...3 Chapter 1 Basic Functions...4 1.1 Turning on/off...4 1.2 Choosing the required measuring mode...4 1.3 Picture of front panel...5
More informationAn equivalent circuit of a loop antenna.
3.2.1. Circuit Modeling: Loop Impedance A loop antenna can be represented by a lumped circuit when its dimension is small with respect to a wavelength. In this representation, the circuit parameters (generally
More informationAntenna Deployment Technical Brief
ProCurve Networking Antenna Deployment Technical Brief Introduction... 2 Antenna types... 2 Omni directional antennas... 2 Directional antennas... 2 Diversity antennas... 3 High gain directional antennas...
More informationEVALUATING WAVE FILES TO DETERMINE THE SEVERITY OF THE ULTRASONIC EMISSIONS
EVALUATING WAVE FILES TO DETERMINE THE SEVERITY OF THE ULTRASONIC EMISSIONS We are often asked at which voltages and on what type of equipment is ultrasound most effective. The answer is not simple since
More informationGPS & GSM BASED REAL-TIME VEHICLE TRACKING SYSTEM.
GPS & GSM BASED REAL-TIME VEHICLE TRACKING SYSTEM. Introduction: The Proposed design is cost-effective, reliable and has the function of accurate tracking. When large object or vehicles were spread out
More informationUltrasonic Wave Propagation Review
Ultrasonic Wave Propagation Review Presented by: Sami El-Ali 1 1. Introduction Ultrasonic refers to any study or application of sound waves that are higher frequency than the human audible range. Ultrasonic
More informationHong Kong Retail Technology Industry Association
Hong Kong Retail Technology Industry Association Hong Kong Retail Technology Industry Association Presented by: Mr. Ken K.K. Fong B.Soc Sc (HKU), M.Sc. (I.M), MBA, MCIM, MHKCS, MHKMA, Chartered IT Professional.
More informationRadio Frequency Identification (RFID)
Radio Frequency Identification (RFID) Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu These slides are available on-line at: http://www.cse.wustl.edu/~jain/cse574-06/
More informationVEHICLE THEFT/SECURITY SYSTEM
PL VEHICLE THEFT/SECURITY SYSTEM 8Q - 1 VEHICLE THEFT/SECURITY SYSTEM TABLE OF CONTENTS page DESCRIPTION AND OPERATION INTRODUCTION...1 VEHICLE THEFT/SECURITY SYSTEM (VTSS)... 1 (SKIS)... 2 SENTRY KEY
More informationChapter 22: Electric motors and electromagnetic induction
Chapter 22: Electric motors and electromagnetic induction The motor effect movement from electricity When a current is passed through a wire placed in a magnetic field a force is produced which acts on
More informationRFID IN RETAIL P L A N N I N G G U I D E SHIPPING & RECEIVING OMNICHANNEL FULFILLMENT DISPLAY COMPLIANCE DC OPERATIONS BIG DATA & ANALYTICS
RFID IN RETAIL P L A N N I N G G U I D E OMNICHANNEL FULFILLMENT DC OPERATIONS DISPLAY COMPLIANCE SHIPPING & RECEIVING BIG DATA & ANALYTICS VENDOR COMPLIANCE EXPIRATION TRACKING ASSET PROTECTION REPLENISHMENT
More informationAN1200.04. Application Note: FCC Regulations for ISM Band Devices: 902-928 MHz. FCC Regulations for ISM Band Devices: 902-928 MHz
AN1200.04 Application Note: FCC Regulations for ISM Band Devices: Copyright Semtech 2006 1 of 15 www.semtech.com 1 Table of Contents 1 Table of Contents...2 1.1 Index of Figures...2 1.2 Index of Tables...2
More informationREADER COMPONENTS. mifare (14443A) 13.56 MHz RFID Proximity Antennas. November 2002. Revision 1.0 PUBLIC. Philips Semiconductors
READER COMPONENTS mifare (14443A) 13.56 MHz RFID Proximity Antennas Revision 1.0 PUBLIC November 00 Philips Semiconductors Philips Semiconductors Rev. 1.0 November 00 CONTENTS 1 INTRODUCTION... 3 1.1 Purpose
More informationCritical Product Information: VodeOX EMR Protection
Critical Product Information: VodeOX EMR Protection New Improved EMR Protection for Cellphones, Tablets, ipads, Laptops, and any Electronic Screen/Monitor. Protect yourself from potentially harmful ElectroMagnetic
More informationBuild A Simple Electric Motor (example #1)
PHY115 Experiment 11 Build A Simple Electric Motor (example #1) MATERIAL This is the necessary equipment. Present any list of material in your written lab report. 1.5 V battery in series 1 ceramic magnet
More informationIgnition Alert Anti-Theft Security System for Motorbikes with Remote Control Amit Yadav, Anushri Jha, Neelesh Gupta amitrinku007@yahoo.
Ignition Alert Anti-Theft Security System for Motorbikes with Remote Control Amit Yadav, Anushri Jha, Neelesh Gupta amitrinku007@yahoo.com Abstract There are many vehicle security system are available
More informationUnderstanding SMD Power Inductors. Application Note. July 2011
Understanding SMD Power Inductors July 2011 Application Note Power inductors play an important role in voltage conversion applications by yielding lower core losses. They are also used to store energy,
More informationRFID Receiver Antenna Project for 13.56 Mhz Band
RFID Receiver Antenna Project for 13.56 Mhz Band Fatih Eken TE 401 Microwave Course Term Project, Fall 2004 Supervised by Asst. Prof. İbrahim Tekin Telecommunication Program in Faculty of Engineering and
More informationREMOTE TERMOMETER TE 219 LED USER MANUAL
INTRODUCTION REMOTE TERMOMETER TE 219 LED USER MANUAL Thank you for purchasing this unit with indoor thermometer, wireless thermometer sensor and radiocontrolled clock. This device is also equipped with
More informationEH-20 20m antenna. By VE3RGW
EH-20 20m antenna By VE3RGW Equivalent circuit of EH-20 (prototype 2A) antenna system. Upper cylinder Lower cylinder Ground Counter pose Phasing coil Impedance transformer and tune circuit Tune coil Feed
More informationThe Visible Store Data Platform for Retail Excellence
Safer. Smarter. Tyco. TM DRIVE SALES AND CUSTOMER SATISFACTION WITH ACCURATE, REAL-TIME VISIBILITY. SEE ON-FLOOR AVAILABILITY DETERMINE SALES FLOOR LOCATION OF LOSS EVENTS The Visible Store Data Platform
More informationEMC Standards: Standards of good EMC engineering
Electromagnetic Compatibility (EMC) IEEE Definition Origin, control, and measurement of electromagnetic effects on electronic and biologic systems. IEEE EMC Society Areas of Interest EMC Standards: Standards
More informationGenTech Practice Questions
GenTech Practice Questions Basic Electronics Test: This test will assess your knowledge of and ability to apply the principles of Basic Electronics. This test is comprised of 90 questions in the following
More informationGermanium Diode AM Radio
Germanium Diode AM Radio LAB 3 3.1 Introduction In this laboratory exercise you will build a germanium diode based AM (Medium Wave) radio. Earliest radios used simple diode detector circuits. The diodes
More informationIS-TG501MS IS-TG100MS L-TG700 XS-PLINTH01
The Aspects ARTS system is a wireless tracking, audit and security system for works of art and people. The system operates 24/7, which from a security perspective is very important as perimeter or intruder
More informationThe Phase Modulator In NBFM Voice Communication Systems
The Phase Modulator In NBFM Voice Communication Systems Virgil Leenerts 8 March 5 The phase modulator has been a point of discussion as to why it is used and not a frequency modulator in what are called
More informationAPPLICATION NOTE AP050830
APPLICATION NOTE AP050830 Selection and use of Ultrasonic Ceramic Transducers Pro-Wave Electronics Corp. E-mail: sales@pro-wave.com.tw URL: http://www.prowave.com.tw The purpose of this application note
More informationRADIO FREQUENCY IDENTIFICATION IN LIBRARIES
RADIO FREQUENCY IDENTIFICATION IN LIBRARIES Emmett Erwin President Bibliotheca USA and Christian Kern System Development Manager Bibliotheca Radio Frequency Identification (RFID) systems have been in use
More informationAM TRANSMITTERS & RECEIVERS
Reading 30 Ron Bertrand VK2DQ http://www.radioelectronicschool.com AM TRANSMITTERS & RECEIVERS Revision: our definition of amplitude modulation. Amplitude modulation is when the modulating audio is combined
More informationRadio Frequency Identification (RFID) An Overview
Radio Frequency Identification (RFID) An Overview How RFID Is Changing the Business Environment Today Radio frequency identification (RFID) technology has been in use for several decades to track and identify
More informationCustomer routing systems and entry system Easy Entry.
Customer routing systems and entry system Easy Entry. The safe, flexible and targeted route through your market. KESSEBÖHMER 0 0 Guide client streams, separate sales zones, enhance theft protection. The
More informationWhale 3. User Manual and Installation Guide. DC Servo drive. Contents. 1. Safety, policy and warranty. 1.1. Safety notes. 1.2. Policy. 1.3. Warranty.
Whale 3 DC Servo drive User Manual and Installation Guide Contents 1. Safety, policy and warranty. 1.1. Safety notes. 1.2. Policy. 1.3. Warranty. 2. Electric specifications. 2.1.Operation ranges. 3. Connections
More informationWeekend Antennas No. 1 A Bobtail Curtain for 2m
Weekend Antennas No. 1 A Bobtail Curtain for 2m Welcome to the first installment of my new column, which I hope will become a regular feature in Radio ZS. Each installment will present a practical and
More informationPulsed Fourier Transform NMR The rotating frame of reference. The NMR Experiment. The Rotating Frame of Reference.
Pulsed Fourier Transform NR The rotating frame of reference The NR Eperiment. The Rotating Frame of Reference. When we perform a NR eperiment we disturb the equilibrium state of the sstem and then monitor
More informationTable of Contents. The Basics of Electricity 2. Using a Digital Multimeter 4. Testing Voltage 8. Testing Current 10. Testing Resistance 12
Table of Contents The Basics of Electricity 2 Using a Digital Multimeter 4 IDEAL Digital Multimeters An Introduction The Basics of Digital Multimeters is designed to give you a fundamental knowledge of
More informationRF-Enabled Applications and Technology: Comparing and Contrasting RFID and RF-Enabled Smart Cards
RF-Enabled Applications and Technology: Comparing and Contrasting RFID and RF-Enabled Smart Cards January 2007 Developed by: Smart Card Alliance Identity Council RF-Enabled Applications and Technology:
More informationStudy Guide for the Electronics Technician Pre-Employment Examination
Bay Area Rapid Transit District Study Guide for the Electronics Technician Pre-Employment Examination INTRODUCTION The Bay Area Rapid Transit (BART) District makes extensive use of electronics technology
More informationCommon Mode Choke Filtering Improves CMRR in Ethernet Transformer Applications. Application Note. June 2011
Common Mode Choke Filtering Improves CMRR in Ethernet Transformer Applications June 2011 Application Note Common mode chokes provide an effective EMI filtering solution for Ethernet transformer applications.
More informationBASIC ELECTRONICS AC CIRCUIT ANALYSIS. December 2011
AM 5-202 BASIC ELECTRONICS AC CIRCUIT ANALYSIS December 2011 DISTRIBUTION RESTRICTION: Approved for Pubic Release. Distribution is unlimited. DEPARTMENT OF THE ARMY MILITARY AUXILIARY RADIO SYSTEM FORT
More informationHow To Keep Track Of A Shopping Trolley With Gsm (Sms)
Shopping Trolley Tracking System via SMS using Ultra High Frequency Application Maizatul Alice Meor Said, Mohd Azlishah Othman, Mohamad Harris Misran, Hamzah Asyrani Sulaiman, Mohd Muzafar Ismail Abstract:
More informationIntroduction to Digital Audio
Introduction to Digital Audio Before the development of high-speed, low-cost digital computers and analog-to-digital conversion circuits, all recording and manipulation of sound was done using analog techniques.
More informationQ1-750 Q1-1200.2 Q1-2200.2 Q1-4500 Q2-200 Q4-90 Q4-120 HIGH PERFORMANCE AMPLIFIER
Owner s Manual Q1-750 Q1-1200.2 Q1-2200.2 Q1-4500 Q2-200 Q4-90 Q4-120 HIGH PERFORMANCE AMPLIFIER INTRODUCTION Thanks you for purchasing SoundQubed amplifiers for your car audio systems and competitions
More informationCapacitive Proximity Sensors Theory of Operation
Capacitive Proximity Sensors Theory of Operation Capacitive proximity sensors are similar to inductive proximity sensors. The main difference between the two types is that capacitive proximity sensors
More informationSome Measurements on DVB-T Dongles with E4000 and R820T Tuners:
Some Measurements on DVB-T Dongles with E4000 and R820T Tuners: Image Rejection, Internal Signals, Sensitivity, Overload, 1dB Compression, Intermodulation Contents: 1. Motivation 2. Test Setup 3. Image
More informationTag Tuning/RFID. Application Note. Tag Tuning. Introduction. Antenna Equivalent Circuit
Tag Tuning Introduction RFID tags extract all of their power to both operate and communicate from the reader s magnetic field. Coupling between the tag and reader is via the mutual inductance of the two
More informationLab Exercise 1: Acoustic Waves
Lab Exercise 1: Acoustic Waves Contents 1-1 PRE-LAB ASSIGNMENT................. 2 1-3.1 Spreading Factor: Spherical Waves........ 2 1-3.2 Interference In 3-D................. 3 1-4 EQUIPMENT........................
More informationRADIO CONTROLLED DIGITAL CLOCK MODELS 88905 / 88906
RADIO CONTROLLED DIGITAL CLOCK MODELS 88905 / 88906 QUICK SETUP GUIDE IMPORTANT! INSTALL BATTERIES IN THE OUTDOOR TRANSMITTER BEFORE INSTALLING BATTERIES IN THE RADIO-CONTROLLED CLOCK. ALKALINE BATTERIES
More informationDesign and Certification of ASH Radio Systems for Japan
Design and Certification of ASH Radio Systems for Japan RFM s second-generation ASH radio hybrids are being used in a wide variety of applications in Japan, operating under the Japanese BIJAKU radio regulations.
More informationIn-store stock management. RFID smart integrated reader portfolio
In-store stock management RFID smart integrated reader portfolio Manage your stock with item-level RFID With RFID, you can take full control over your stock from the moment your merchandise arrives at
More informationBuilding a simple seismometer
Building a simple seismometer Seismometers operate on the principle of inertia, i.e. a body at rest will tend to remain that way unless a force is applied to make it move. An ideal seismometer would be
More informationUBC Technical Guidelines Section 17900 2015 Edition Secure Access: General Standards Page 1 of 7
Page 1 of 7 1.0 GENERAL 1.1 Related UBC Guidelines.1 Section 17910, 17920 and 17930.2 Section 17100 Cable Infrastructure Overview, sub sections 1.4.9 and 1.5.3 Section 17110 Communication Rooms, sub section
More informationCandidate Number. General Certificate of Education Advanced Level Examination June 2014
entre Number andidate Number Surname Other Names andidate Signature General ertificate of Education dvanced Level Examination June 214 Physics PHY4/1 Unit 4 Fields and Further Mechanics Section Wednesday
More informationAutomotive Oil & Fuel Filter Market
http://www.gosreports.com Smart Label Market by Type (EAS, RFID, Sensing, & ESL), Tracking Application, Industry (Aerospace, Data Centre & Library, Food & Beverage, Healthcare & Pharmaceutical, Logistics,
More informationChen. Vibration Motor. Application note
Vibration Motor Application note Yangyi Chen April 4 th, 2013 1 Table of Contents Pages Executive Summary ---------------------------------------------------------------------------------------- 1 1. Table
More informationENERGY HARVESTED ELECTRONIC SHELF LABEL
ENERGY HARVESTED ELECTRONIC SHELF LABEL Ranajay Mallik, Jitendra Jain, Neha Kochhar, STMicroelectronics - IMS Systems Lab and Technical Marketing Abstract: This article explains the concept of electronic
More information5. Measurement of a magnetic field
H 5. Measurement of a magnetic field 5.1 Introduction Magnetic fields play an important role in physics and engineering. In this experiment, three different methods are examined for the measurement of
More informationa leap ahead in analog
EMV Contactless Payment Systems based on AS3911 Overview and System Simulations Giuliano Manzi, PhD Mannheim, May 23 25, 2012 CST EUROPEAN USER CONFERENCE 2012 a leap ahead in analog OUTLINE AS3911 OVERVIEW
More informationApplication Note Receiving HF Signals with a USRP Device Ettus Research
Application Note Receiving HF Signals with a USRP Device Ettus Research Introduction The electromagnetic (EM) spectrum between 3 and 30 MHz is commonly referred to as the HF band. Due to the propagation
More information