Enhanced Tracking Technology May Help RFID加强跟踪技术可帮助的RFID
By 通过 DON CLARK 唐克拉克
A Los Angeles start-up says it has developed a way to dramatically expand the range of a popular wireless tracking technology, opening up many new applications for low-cost identification tags.洛杉矶开办说，它已经开发的方式显着扩大范围流行的无线追踪技术，开放了许多新的申请，低成本的识别标记。
Closely held Mojix Inc. says its enhancements to a technology known as RFID — for radio frequency identification — sharply reduce the cost of setting up wireless networks that can cover entire warehouses, stores, distribution centers and yards where heavy equipment is stored.密切举行mojix公司说，它的增强技术被称为RFID的-为无线电频率识别-大幅降低成本，设立无线网络可以涵盖整个仓库，商店，配送中心和码的地方，重型装备储存。
Such networks can be used to quickly locate goods and track their movements without having to be close to a scanning device.这种网络可以用来快速地找到货品，并追踪他们的变动而不必接近扫描装置。 Networks with similar capabilities today typically require sophisticated RFID tags that cost anywhere from around $4 to more than $1,000 each, said John Fontanella, an analyst at AMR Research.网络与今天类似的功能通常需要复杂的RFID标签的成本在任何地方，从周围的4元以上1000元，每个说，约翰丰塔内，分析师AMR研究。 Mojix says its hardware uses simpler tags that cost as little as 10 cents each. mojix说，它的硬件使用简单的标记，成本少了10美分，每个。
“I think this could have significant impact,” said Michael Liard, an analyst at ABI research, of Mojix’s technology. “我认为，这可能有重大的影响，说： ”迈克尔liard ，分析师ABI Research的， mojix的技术。
RFID, a more-sophisticated successor to bar codes, is used for applications such as preventing shoplifting of garments in stores and handling payments at bridge toll gates. RFID的，更复杂的继任者的条形码，用于应用，如防止买的成衣，在商店和处理费在大桥收费站。 Applying identification tags to pallets and boxes of goods has been touted as a better way to track inventories at retailers, manufacturers and other companies.申请识别标记，以托盘和箱货物一直被吹捧为更好地跟踪库存的零售商，制造商和其他公司。 But adoption has been slower than some companies expected, because of conversion costs and other issues.但通过已经开始放慢，比一些公司预期，由于转换成本及其他问题。
The least-expensive form of the technology uses what the industry calls “passive” RFID tags, which have no power source or means to transmit data on their own.最昂贵的形式，该技术采用什么产业呼唤“被动式” RFID标签，没有权力的来源或手段来传输数据对他们自己。 They are activated by radio signals from a device called a reader, which allows the tags to answer by sending information such as product identification numbers.他们是激活的无线电信号装置，所谓的读者，这使得标记答复发送信息，如产品识别号码。
Readers for passive tags typically have a maximum transmission range of about 30 feet, said Ramin Sadr, Mojix’s chief executive.读者为无源标签通常具有最高的传输范围约30英尺，说ramin萨德尔， mojix的行政长官。 Partly as a result, companies often only deploy RFID networks in limited locations, such has around loading docks so they can track goods entering and leaving warehouses.部分作为一个结果是，这些公司往往只部署RFID网络在有限的地点，例如有大约装载码头，使他们能够跟踪货物进入和离开仓库。
But in the late 1980s, Mr. Sadr and other Mojix engineers worked at NASA’s Jet Propulsion Laboratory on technology used in long-range communications to spacecraft.但在20世纪80年代末，先生萨德尔和其他mojix工程师工作在美国宇航局喷气推进实验室的技术的使用在长程通讯的航天器。 They attempted to apply some of those concepts to RFID.他们企图适用的一些人观念的RFID 。 The system they developed uses a grid of low-cost transmitters to provide radio energy to nearby RFID tags, which respond by sending signals to an unusually sensitive central receiver, Mr. Sadr said.该系统利用他们开发的一个网格的低成本发射机提供能源电台向附近的RFID标签，作出回应，发出信号，以不同寻常的敏感的中央接收机，先生萨德尔说。
Each of the company’s receivers can manage signals from 512 transmitters — each as far as 600 feet away, Mr. Sadr said.每个公司的接收器可以管理信号从512发射机-每个据六○○英尺远离先生，萨德尔说。 The resulting coverage area can be up to 250,000 square feet, or about 100 times the coverage area of previous systems based on conventional tag readers, he added.由此产生的覆盖范围可达到二五○○○○平方英尺，或约100倍，覆盖范围内以往系统的基础上的常规标记的读者，他补充说。 Mojix isn’t disclosing exact pricing, but estimates that a network based on its technology will cost 20% to 25% less than other typical RFID systems as well as offer more-sophisticated capabilities. mojix是不公开的确切定价，但估计，网络的基础上，其技术将耗资20 ％至25 ％少于其他典型的RFID系统，以及提供更先进的能力。
Mojix isn’t likely to lack for competition. mojix是不太可能缺乏竞争。 Ronny Haraldsvik, vice president of marketing and industry relations at汤家骅哈罗德斯韦克，市场营销的副总裁和工业关系 Alien Technology Alien技术 Corp., a maker of RFID tags and readers in Morgan Hill, Calif., said Mojix appears to be targeting long-range applications now served by companies that use active RFID tags.公司，制造商的RFID标签和读者在摩根山，加州，说mojix似乎是针对长程的申请，现在所服务的公司使用有源RFID标签。 “They are very entrenched,” he said. “他们是非常根深蒂固的， ”他说。
See More: 看到更多的： RFID 的RFID Technology 技术 USA News 美国新闻Have Your Say: Enhanced Tracking Technology May Help RFID 你说：加强跟踪技术可帮助的RFID
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