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标题:
无线读卡器
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作者:
sungodlxj
时间:
2008-1-18 08:49
标题:
无线读卡器
<strong>工作原理<p></p></strong>
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman"> 该</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">无线读卡器主要有两部份组成：读卡头和信号接收盒。读卡头即刷卡部份，它采用低功耗通用编码器，编码器对地址脚的状态编码组帧以射频（</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">RF</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">）的方式发送，最多有</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">13</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">位地址编码，从而避免了数据的误发或重发，读卡头的主要作用是读员工卡号做编码处理以后以射频（</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">RF</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">）方式发送给信号接收盒；信号接收盒则会把读卡头发送过来的编码进行解码，然后转换成</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">Wiegand</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">信号传输给门禁或考勤主机，信号接收盒一般是同门禁考勤主机安装在一起从而减少了布线工作。</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p><font face="Times New Roman" size="3"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span><strong>产品特点：<p></p></strong></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span><strong>读卡头</strong>：无线传输，无需布线，安装简便</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">功耗低，只需两节五号电池供电</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">外观精美，适用于各种安装环境</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">自带无线门铃功能</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span><strong>接收盒：</strong>标准</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">Wiegand</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">输出接口中，可配合各种门禁、考勤主机使用</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">安装简便，设计小巧，可嵌入门禁、考勤产品内</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p><font face="Times New Roman" size="3"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p><font face="Times New Roman" size="3"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span><strong>性能指标：<p></p></strong></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span><strong><font size="3">读卡头：<p></p></font></strong></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">尺寸：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">110 X 80 X 25 mm<p></p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">重量：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">120g<p></p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">电源：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">1.5V</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">（</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">5</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">号）</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">X 2 </font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">节</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><p></p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">接收距离：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">20m</font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"></span></font><span><strong><font size="3">接收盒：<p></p></font></strong></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">尺寸：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">70 X 45 X 30 mm<p></p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">电源：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">DC9-15W<p></p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><font size="3"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt;">重量：</span><span lang="EN-US" style="LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">100g<p></p></font></span></font></p><p><img height="161" src="http://www.ocom.com.cn/UploadFiles/2007101911041559.jpg" width="214" border="0" style="WIDTH: 214px; HEIGHT: 161px;" alt=""/></p><p></p><p></p><p>联系人：李旭坚</p><p>联系电话：13527652717</p><p>QQ：52274957</p><p>mail:lixujian@gmail.com</p>
作者:
netter
时间:
2008-1-18 17:50
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