electromagnetic interference
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Hospitals roll out RFID
News A Dutch study recently found the electromagnetic interference generated by the track and trace RFID chips has the potential to disrupt medical devices. Hospitals across England are keeping track of patients and equipment using RFID tagging. [09 Jul 2008]
Fiber Optics and Vertical Cavity Surface-Emitting Laser Construction
White Paper Fiber optic cables carry more information than copper wires and are less susceptible to electromagnetic interference. Before data is transmitted through a fiber, it is changed to pulses of light by using a transmitter. [03 Jul 2008]
Estimation of Bluetooth TCP Performance With Adaptive Packet Type in the Burst Error Model
White Paper In a radio network, a packet loss can be due to interference from other electromagnetic wave having the same frequency. In an 802.11 network, for instance, wireless link quality can be degraded seriously when a microwave oven is in operation nearby. [03 Jul 2008]
Electrically Conductive Adhesives: Characteristics and Applications
White Paper Conductive silicones help protect devices from environmental hazards such as moisture, and shield electromagnetic and radio frequency interference (EMI/RFI) emissions. Continuing improvements in adhesive technology have enabled adhesives to replace... [03 Jul 2008]
RFID could disrupt medical devices, say researchers
News The study by six Dutch scientists has found electromagnetic interference (EMI) generated by the track and trace chips has the potential to cause disruption to medical devices - which could be a potential hazard to patients. [25 Jun 2008]
Peter Cochrane's Blog: Wireless jelly
Comment However, the least understood phenomenon is the way the volume of electromagnetic radiation energy changes with physical objects moving around in the space. For at least some of the time I think we can safely assume that the problem is plain old... [13 Jun 2008]
Understanding Mobile Phone EMI in the Hospital Setting
White Paper However, concerns about ElectroMagnetic Interference (EMI) have led many hospitals to ban mobile phones outright. As technology continues to evolve, the benefits of wireless communications for healthcare providers become greater and more evident. [25 Nov 2007]
Fresh warning over mobiles in hospitals
News The electromagnetic interference (EMI) created by mobile phones transmitting the minimum level of data was measured on 61 medical care devices. The research concluded that critical care equipment is vulnerable to interference from GPRS and UMTS... [06 Sep 2007]
UTP vs STP vs FTP or ScTP
White Paper To shield or not to shield is strictly a laws of physics issue, but basically you shield "Already Balanced" cable pairs to make them better balanced, to better reject internal or external generated EMI/RF (Electromagnetic Interference/Radio... [26 Jul 2007]
Mobiles on planes: Pilots speak out on safety fears
News One did say he had seen instruments doing "weird things" for which the electromagnetic interference from mobiles was one suggested cause. This will be an excellent test of the aircraft's susceptibility to EM [electromagnetic] interference. [02 Aug 2006]
Performance Improvement of Bluetooth in the Presence of WLAN DS 802.11
White Paper In this paper, a systematic analysis is presented to calculate the frame error rate in the Bluetooth systems impaired by electromagnetic interference (EMI) from Wireless LAN transmissions. Bluetooth technology is being integrated into variety of... [29 Nov 2005]
On Flow Marking Attacks in Wireless Anonymous Communication Networks
White Paper This paper studies the degradation of anonymity in a flow-based wireless mix network under flow marking attacks, in which an adversary embeds a recognizable pattern of marks into wireless traffic flows by electromagnetic interference. [15 Sep 2005]
Electromagnetic Interference Assessment of CDMA and GSM Wireless Phones to Aircraft Navigation Radios
White Paper To address the concern for cellular phone electromagnetic interference (EMI) to aircraft radios, a radiated emission measurement process for CDMA (IS-95) and GSM (ETSI GSM 11.22) wireless handsets was developed. [01 Aug 2004]
Chomerics Improves Product Training With E-Learning From IntraLearn
White Paper Chomerics, a division of Parker Hannifin Corporation, is the world's largest manufacturer of EMI (electromagnetic interference) shielding materials and thermal management materials. In 1999, Chomerics needed to offer training programs nationwide... [21 Jul 2004]
Proper Layout and Component Selection Controls EMI
White Paper Though not fully understood by many designers, the trade-off among different types of regulators and power supplies can have a major effect on battery life, compliance with electromagnetic interference/ electromagnetic compatibility (EMI/EMC... [24 Feb 2004]
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