News tagged with wireless power
Coil in wall could wirelessly power multiple electronic devices
(PhysOrg.com) -- A team of MIT physicists has developed a system that can wirelessly transfer power to multiple electronic devices simultaneously with high efficiency. The system takes advantage of electromagnetic ...
Nimbus Lab sends up quadrotors for wireless charging (w/ Video)
(Phys.org) -- Researchers at the University of Nebraska-Lincolns Nimbus Lab are exploring wireless power transmission as a way to power devices. They have designed and built a custom power-transfer and ...
Qualcomm's HaloIPT tech brings wireless charging for EVs
(PhysOrg.com) -- Qualcomm has demonstrated its new wireless power transmission system for electric vehicles (EVs) at the Consumer Electronics Show (CES). The system, including one pad for power transmitting, ...
Shake, rattle and ... power up? A new MEMS device generates energy from small vibrations
Today's wireless-sensor networks can do everything from supervising factory machinery to tracking environmental pollution to measuring the movement of buildings and bridges. Working together, distributed sensors ...
Sep 14, 2011 |
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Wireless power could cut cord for patients with implanted heart pumps
Mechanical pumps to give failing hearts a boost were originally developed as temporary measures for patients awaiting a heart transplant. But as the technology has improved, these ventricular assist devices ...
Jul 12, 2011 |
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Most powerful millimeter-scale energy harvester generates electricity from vibrations
(PhysOrg.com) -- Electrical engineers at the University of Michigan have built a device that can harness energy from vibrations and convert it to electricity with five to ten times greater efficiency and power ...
Apr 26, 2011 |
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Home's electrical wiring acts as antenna to receive low-power sensor data
If these walls had ears, they might tell a homeowner some interesting things. Like when water is dripping into an attic crawl space, or where an open window is letting hot air escape during winter.
Sep 15, 2010 |
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Toward more efficient wireless power delivery
In 2007, MIT researchers announced that they had discovered a novel way of transmitting electricity without the use of wires. Now, the researchers have demonstrated that the system?s efficiency at transmitting ...
Apr 13, 2010 |
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RCA's Airenergy charger converts WiFi energy to electricity
(PhysOrg.com) -- Airenergy is a gadget that can harvest free electricity from WiFi signals such as those from a wireless Internet connection, apparently with enough efficiency to make it practical for recharging ...
Smart Charger Controller simplifies electric vehicle recharging (w/Video)
Electric vehicle owners can plug in their cars and forget about them, knowing they'll get the cheapest electricity available and won't crash the grid - using a new technology called the Smart Charger Controller. ...
Technology / Energy & Green Tech
Apr 30, 2009 |
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Getting in tune: Researchers solve tuning problem for wireless power transfer systems
Researchers from North Carolina State University have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric ...
May 15, 2012 |
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Artificially structured metamaterials may boost wireless power transfer
Scientists calculate that a "perfect lens," a slab of artificial material engineered to focus electromagnetic fields in ways that natural materials can't, may increase the efficiency of some wireless power transfer systems.
Mar 13, 2012 |
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Apple patents a 1-meter-range wireless charging system
(PhysOrg.com) -- According to a recently submitted patent application by Apple, wireless charging may be a whole new boost. That patent, which is entitled "Wireless power utilization in a local computing environment" is a syst ...
Novel man-made material could facilitate wireless power
Electrical engineers at Duke University have determined that unique man-made materials should theoretically make it possible to improve the power transfer to small devices, such as laptops or cell phones, or ultimately to ...
May 23, 2011 |
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What's mine is virtually yours: Collaboration between mobile phone users can speed up communications
Applications on modern wireless devices make demands on data rate and connectivity far beyond anything experienced in the past. One way to meet these stringent requirements is to give the device multiple antennas or multiple-input ...
Mar 23, 2011 |
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