News tagged with wireless sensor
Related topics: sensors
Salt and Paper Battery May One Day Replace Lithium Batteries
(PhysOrg.com) -- Salt and paper battery can be used in many low-power devices, such as medical implants, RFID tags, wireless sensors and smart cards. This battery uses a thin-film which makes it an attractive ...
Technology / Energy & Green Tech
Sep 15, 2009 |
4.6 / 5 (18) |
6
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) |
2
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Network turns soldiers' helmets into sniper location system
(PhysOrg.com) -- Imagine a platoon of soldiers fighting in a hazardous urban environment who carry personal digital assistants that can display the location of enemy shooters in three dimensions and accurately ...
Mar 24, 2009 |
4.4 / 5 (17) |
8
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) |
6
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Fruit fly nervous system provides new solution to fundamental computer network problem
(PhysOrg.com) -- The fruit fly has evolved a method for arranging the tiny, hair-like structures it uses to feel and hear the world that's so efficient a team of scientists in Israel and at Carnegie Mellon ...
Technology / Computer Sciences
Jan 13, 2011 |
4.7 / 5 (14) |
2
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Micromachined piezoelectric harvester drives fully autonomous wireless sensor
For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...
Dec 15, 2009 |
5 / 5 (11) |
1
Review: Sony's new PlayStation Vita disappoints
With the PlayStation Vita, Sony has attempted to infuse a traditional handheld game machine with some of the smartphone and tablet features that have made gaming on those devices so popular lately.
Electronics / Consumer & Gadgets
Mar 09, 2012 |
1.9 / 5 (28) |
6
Ambient electromagnetic energy harnessed for small electronic devices
(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. ...
Jul 07, 2011 |
5 / 5 (9) |
14
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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) |
1
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Students create portable device to detect suicide bombers (w/ Video)
(PhysOrg.com) -- Improvised explosive devices (IEDs), the weapons of suicide bombers, are a major cause of soldier casualties in Iraq and Afghanistan. A group of University of Michigan engineering undergraduate students have ...
Jun 24, 2009 |
4.2 / 5 (9) |
0
Toward computers that fit on a pen tip
A prototype implantable eye pressure monitor for glaucoma patients is believed to contain the first complete millimeter-scale computing system.
Feb 22, 2011 |
4.4 / 5 (8) |
4
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Energy harvesting skin generates power from air conditioners
(PhysOrg.com) -- Devices that harvest ambient energy from the surrounding environment have become popular since, for some applications, they eliminate the need for batteries that must constantly be replaced. ...
Apr 20, 2011 |
4.9 / 5 (7) |
7
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012 |
4.4 / 5 (7) |
0
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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) |
0
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Trains’ vibrations could provide power for monitoring tunnels
(PhysOrg.com) -- Traffic tunnels are often built in some of the most rugged and remote areas, which subjects them to extreme environmental forces while making them difficult to access. Ideally, the structural ...
Aug 08, 2011 |
3.8 / 5 (6) |
4
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