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“Electromagnetic Harvester” Claims to Use Electromagnetic Fields to Charge Battery from Thin Air

 

Bremen, Germany-based designer Dennis Siegel has developed a pocket-sized “electromagnetic harvester” he claims is capable of using the electromagnetic fields emitted by electrical devices to charge a battery. According to Siegel’s website, the device uses coils and high frequency diodes to capture energy and is equipped with an LED light that indicates the strength of each … [Read more...]

Using a Reducing EMI Spread Spectrum Clock Oscillator

 

Editor’s note: This question was asked in response to Interference Technology’s recent webinar by Keith Armstrong. To view the webinar, click here. Question: What do you think about using a Reducing EMI Spread Spectrum Clock Oscillator, like the ones manufactured by Mercury Electronic? Answer: Well, this isn’t really a question related to the subject of my webinar, but I have … [Read more...]

Report Forecasts Growth of Global Electromagnetic Compatibility Shielding Market

 

Market analyst TechNavio has released a report forecasting that the global electromagnetic compatibility shielding market will grow at a compounded annual growth rate (CAGR) of 7.43 percent between 2011 and 2015. According to TechNavio’s analysts, the key factors contributing to the growth is the emergence of wireless technologies and the increasing adoption of conductive … [Read more...]

IEEE Approves New Networking Technology with Potential to Replace Wi-Fi

 

The IEEE Standards Association has approved WiGig, a short-range networking technology that operates in the 60GHz range at speeds of up to 7Gbps, as part of an amendment to the original IEEE 802.11 standard. The new technology was demonstrated by chip company Wilocity during the Consumer Electronics Show 2013 in Las Vegas, Nev. and has the potential to replace traditional … [Read more...]

SMD Grounding Contacts Now Available

 

Laird Technologies, a supplier of performance-critical components and systems for advanced electronics and wireless products, has announced the addition of SMD grounding contacts to the company’s EMI metals product line. According to the company, the new SMD grounding contacts are designed for on-board grounding solutions and are ideal in situations “where large gaps have to … [Read more...]

Satellites Could Detect Nuclear Tests by Identifying Ionospheric Disturbance

 

Scientists are examining the possibility of using global satellite networks to help detect clandestine underground nuclear explosions (UNE). The International Monitoring System (IMS), established by the Comprehensive Nuclear-Test-Ban Treaty (CTBT), currently employs seismic networks, hydroacoustic networks and radionuclide networks to detect clandestine nuclear weapons testing; … [Read more...]

Network Solutions Company Approved to Provide GR-1089 NEBS Qualification Testing

 

Network solutions company Emerson Network Power has announced it has been approved to perform GR-1089 Network Equipment Building System (NEBS) qualification testing for electromagnetic compatibility and electrical safety of network telecommunications equipment. The company was approved under the Verizon NEBS Testing Certification Witnessing Program (NEBS-TCWP). “As one of the … [Read more...]

可形成局域网连接并可用于充电的桌子

 

来自东京大学的研究人员在日本举行的日本高新技术博览会（Ceatec）电子展上展出了一种桌子，这种桌子能够为置于其上面的装置提供无线充电并在装置之间形成一个局域网。这一概念源自于支持无线专网的想法，这种网络比当前的Wi-Fi网络更安全、更为局域化，同时也不需要网线。 这种桌子由小网面板组成的薄板制成，这种小网面板在两个维度内含有电磁波，并携带一个较小的电流。东京大学的一名博士生Akihito … [Read more...]

北京泰派斯特电子技术有限公司

 

用于军用方舱车上的空调、燃机加热器滤波组件TPFCXH540JDL-3是低通滤波器的一种，是空调电源、空调控制、燃机加热和24VDC 4路滤波电路组成。每路滤波电路都利用阻抗失配原理抑制电源线上的干扰。其滤波频率范围在15KHz-18GHz之间高达70dB 以上衰减。 电话：010-58895330       传真：010-58895369 邮箱：bjtempest@163.com  网址：www.tempest-emc.com … [Read more...]

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