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 ...
Feb 12, 2010 |
4 / 5 (28) |
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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 ...
Electronics / Consumer & Gadgets
Jan 13, 2010 |
3.8 / 5 (29) |
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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 |
4.4 / 5 (24) |
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Imec achieves breakthrough in battery-less radios
At today's International Solid State Circuit Conference, Imec and Holst Centre report a 2.4GHz/915MHz wake-up receiver which consumes only 51µW power. This record low power achievement opens the door to battery-less ...
Feb 09, 2010 |
4.8 / 5 (17) |
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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 |
4.8 / 5 (15) |
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Sony develops highly efficient wireless power transfer system based on magnetic resonance
Sony Corp. today announced the development of a highly efficient wireless power transfer system that eliminates the use of power cables from electronic products such as television sets. Using this system, ...
Oct 02, 2009 |
4.4 / 5 (13) |
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Wireless Power Supplies Using Magnetic Resonance
(PhysOrg.com) -- Until now domestic manufacturers and research institutions have only been focused on the concept that magnetic resonance could be used for wireless power supplies. Companies like Sony Corp. ...
May 13, 2010 |
3.9 / 5 (12) |
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Mini generators make energy from random ambient vibrations
Tiny generators developed at the University of Michigan could produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor.
Mar 23, 2010 |
3.9 / 5 (11) |
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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 |
4.5 / 5 (8) |
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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 |
4.4 / 5 (8) |
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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 |
3.9 / 5 (8) |
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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
Jan 16, 2012 |
4.4 / 5 (7) |
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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 |
4.8 / 5 (6) |
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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 |
4.7 / 5 (6) |
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New energy-saving flip-flop circuit developed by Toshiba
Toshiba Corporation today announced that it has developed a new flip-flop circuit using 40nm CMOS process that will reduce power consumption in mobile equipment. Measured data verifies that the power dissipation ...
Feb 21, 2011 |
4.2 / 5 (6) |
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