News tagged with wireless power

Artificial muscle as shock absorber

Engineers are working on intelligent materials that can diminish vibrations and extract power from the environment. These electro-active elastomers could dampen annoying vibrations in a car, for example, or ...

Technology / Engineering

created 6 hours ago | popularity 5 / 5 (1) | comments 0

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

Next up: Smart homes

You've got a smartphone and maybe a smart TV, and may have heard that smart refrigerators are in the works. Next up: the smart home.

Technology / Energy & Green Tech

created May 28, 2012 | popularity not rated yet | comments 0

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

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

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

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

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

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

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

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

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

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

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