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 ...

Physics / General Physics

created Feb 12, 2010 | popularity 4 / 5 (28) | comments 64 | with audio podcast feature

Nimbus Lab sends up quadrotors for wireless charging (w/ Video)

(Phys.org) -- Researchers at the University of Nebraska-Lincoln’s Nimbus Lab are exploring wireless power transmission as a way to power devices. They have designed and built a custom power-transfer and ...

Electronics / Robotics

created May 31, 2012 | popularity 5 / 5 (2) | comments 4 | with audio podcast report

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, ...

Technology / Energy & Green Tech

created Jan 16, 2012 | popularity 4.4 / 5 (7) | comments 5 | with audio podcast report

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 ...

Physics / General Physics

created Sep 14, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

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 ...

Technology / Engineering

created Jul 12, 2011 | popularity 4.2 / 5 (5) | comments 5 | with audio podcast

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 ...

Technology / Engineering

created Apr 26, 2011 | popularity 4.8 / 5 (15) | comments 6 | with audio podcast

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.

Technology / Engineering

created Sep 15, 2010 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

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 ...

Physics / General Physics

created Apr 13, 2010 | popularity 4.4 / 5 (24) | comments 27 | with audio podcast

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 ...

Electronics / Consumer & Gadgets

created Jan 13, 2010 | popularity 3.8 / 5 (29) | comments 38 | with audio podcast weblog

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

created Apr 30, 2009 | popularity 4.4 / 5 (8) | comments 3

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 ...

Technology / Engineering

created May 15, 2012 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

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.

Physics / General Physics

created Mar 13, 2012 | popularity 4.5 / 5 (8) | comments 7 | with audio podcast

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 ...

Technology / Hi Tech & Innovation

created Jun 15, 2011 | popularity 3 / 5 (6) | comments 18 | with audio podcast weblog

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 ...

Physics / General Physics

created May 23, 2011 | popularity 3.9 / 5 (8) | comments 7 | with audio podcast

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 ...

Technology / Telecom

created Mar 23, 2011 | popularity not rated yet | comments 0 | with audio podcast