<p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">何谓<span lang="EN-US">RFID</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p></p></span></p><p></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><shapetype id="_x0000_t201" coordsize="21600,21600" ospt="201" path="m,l,21600r21600,l21600,xe"></shapetype><stroke joinstyle="miter"></stroke><stroke></stroke><path shadowok="f" oextrusionok="f" strokeok="f" fillok="f" oconnecttype="rect"></path><path></path><lock vext="edit" shapetype="t"></lock><lock></lock><shapetype></shapetype><shape id="_x0000_s1026" type="#_x0000_t201" oallowoverlap="f" stroked="f" style="MARGIN-TOP: 0px; Z-INDEX: 1; MARGIN-LEFT: 0px; WIDTH: 2in; POSITION: absolute; HEIGHT: 2in; mso-position-horizontal: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: line;"></shape><wrap type="square"></wrap><wrap></wrap><shape></shape><object class="shape" id="ShockwaveFlash14" height="192" width="192" align="left" classid="CLSID:D27CDB6E-AE6D-11CF-96B8-444553540000" vshapes="_x0000_s1026"><param value="5080" name="_cx"/><param value="5080" name="_cy"/><param value="" name="FlashVars"/><param value="" name="Movie"/><param value="" name="Src"/><param value="Window" name="WMode"/><param value="-1" name="Play"/><param value="-1" name="Loop"/><param value="High" name="Quality"/><param value="" name="SAlign"/><param value="-1" name="Menu"/><param value="" name="Base"/><param value="always" name="AllowScriptAccess"/><param value="ShowAll" name="Scale"/><param value="0" name="DeviceFont"/><param value="0" name="EmbedMovie"/><param value="" name="BGColor"/><param value="" name="SWRemote"/><param value="" name="MovieData"/><param value="1" name="SeamlessTabbing"/></object><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p></p></span></p><p></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> RFID</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">是英文<span lang="EN-US">"Radio Frequency Identification"</span>的缩写，中文称为无线射频身份识别、感应式电子芯片或是近接卡、感应卡、非接触卡<span lang="EN-US">...</span>等等，是非接触式自动识别 技术的一种。根据英国<span lang="EN-US">Pira</span>的研究，很可能在未来几年会对包装、印刷和纸张<span lang="EN-US">?</span>生的重要影响中，其中一项技术即是<span lang="EN-US">RFID</span>射频识别标识（<span lang="EN-US">http://www.pira.co.uk/</span>）；<span lang="EN-US">Forrester Research</span>公司说，数据中心采用<span lang="EN-US">Linux</span>系统、离岸外包、<span lang="EN-US">RFID</span>（无线射频识别）是<span lang="EN-US">2004</span>年四大<span lang="EN-US">IT</span>趋势（<span lang="EN-US">http://www.topology.com.tw/</span>）；资策会将<span lang="EN-US">RFID</span>列入<span lang="EN-US">2003</span>年值得观察的十大技术（<span lang="EN-US">http://taiwan.cnet.com/news/</span>）；「已经很久没有看到这么让人兴奋的新科技了」是工研院企画组组长吴柏成对<span lang="EN-US">RFID</span>的形容；无线识别系统将取代条形码<span lang="EN-US">--RFID</span>将使千万结帐员失业（<chsdate isrocdate="False" islunardate="False" day="1" month="12" year="1993" wst="on"></chsdate><span lang="EN-US">93/12/01</span><chsdate></chsdate>中国时报）；老技术<span lang="EN-US">RFID</span>成为新一代杀手级应用，全球零售业一百二十二兆元商品阶级革命（<span lang="EN-US">833</span>期商业周刊）。这些都是对<span lang="EN-US">RFID</span>的描述。事实上<span lang="EN-US">RFID</span>技术早在二次世界大战就已存在，当时英国用以确认进机场的是否为己方的飞机，以免遭误击。</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p></p></span></p><p></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">最简单的<span lang="EN-US">RFID</span>系统是由卷标（<span lang="EN-US">Tag</span>）、读取器（<span lang="EN-US">Reader</span>）和天线（<span lang="EN-US">Antenna</span>）三部分组成：当卷标进入磁场区域后，接收的读取器发出信号，凭借感应电流所获得的能量发送出存储在芯片中的产品信息（<span lang="EN-US">Passive Tag</span>，无电源卷标或称被动卷标），或者主动发送某一频率的信号（<span lang="EN-US">Active Tag</span>，有电源卷标或称主动卷标）；读取器读取信息并译码后，送至中央信息系统进行有关的处理，但在实际应用中需要其它的软硬件支持。<span lang="EN-US"><p></p></span></span></p><p></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">根据美国零售连锁业联盟的估计，美国几大零售业者，一年因为货品管理不良而遭受的损失高达七百亿美元。宝碱公司（<span lang="EN-US">Procter & Gamble</span>）前任行销副总<span lang="EN-US">Kevin Ashton</span>就有切身之痛，<span lang="EN-US">1997</span>年宝碱公司的欧蕾保湿乳液上市，商品大为畅销，可是太畅销了，许多商店货架常常空掉，由于商品太多、查补的速度又太慢，「我们眼睁睁的看着钱一分一秒从货架上流失。」<span lang="EN-US">Ashton</span>表示。他花了两年找到了答案，就是将<span lang="EN-US">RFID</span>取代现在的商品条形码（<span lang="EN-US">Bar Code</span>），它就变成零售商品的绝佳信息发射器，可以变化出千百种应用与管理方式。在宝碱公司（<span lang="EN-US">P&G</span>）和吉列公司（<span lang="EN-US">Gillette</span>）的赞助下，美国麻省理工学院（<span lang="EN-US">MIT</span>）两名研发<span lang="EN-US">RFID</span>应用技术的教授<span lang="EN-US">Sanjay Sarma</span>和<span lang="EN-US">David Brock</span>，成立了自动<span lang="EN-US">ID</span>中心（<span lang="EN-US">Auto-ID Center</span>），专门研究<span lang="EN-US">RFID</span>电子商品条形码，成立的日期<chsdate isrocdate="False" islunardate="False" day="1" month="10" year="1999" wst="on"></chsdate><span lang="EN-US">1999</span>年<span lang="EN-US">10</span>月<span lang="EN-US">1</span>日<chsdate></chsdate>正是条形码问世<span lang="EN-US">25</span>周年。除了总部在<span lang="EN-US">School of Engineering, MIT</span>，另外在英国（<span lang="EN-US">Cambridge University</span>）、瑞士（<span lang="EN-US">St. Gallen University</span>）、澳洲（<span lang="EN-US">University of Adelaide</span>）、日本（应庆大学）、中国（复旦大学）都有设立分部（<span lang="EN-US">http://www.autoidlabs.org/</span>）。<span lang="EN-US"><p></p></span></span></p><p></p><p></p>
[此贴子已经被作者于2006-7-7 14:43:45编辑过]
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