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Because they work within a kind of spatial bubble rather than by radiating energy in all directions, magnetic induction devices encounter less interference.
Magnetic induction devices work by creating a static magnetic field that is 1.5 to 2 meters, or about six feet, across; data is transmitted by modulating the field at a low frequency (10 to 15 megahertz, compared with 2.4 gigahertz for radio-frequency technologies like Blue-tooth).
LoopPay's offering, which includes magnetic induction devices such as a charging case for iPhones and a payment fob for Android phones, allows phones to use existing point-of-sale card readers that read magnetic stripe cards by far the most common cards used in the U.S. LoopPay says its technology can work in up to 90% of retail stores.
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This presented system avoids the complex synthesis for protecting Fe3O4 NPs, supplies a simple, effective and inexpensive way to immobilize protein, and is promising for construction of third-generation biosensors and other bio-magnetic induction devices.
Aura Communications expects to grease the skids for magnetic induction by persuading manufacturers of hand-held devices that include both a cellphone and a music player to build the technology into their products.
A few products, such as Nokia's Lumia 920, can be charged wirelessly, but those use a basic magnetic induction technology that requires a special pad on which to place the device.
We are seeing strong market pull for this novel technology with particular appeal in restaurants, hotels, and even hospitals looking to improve their customer experience". Magnetic induction safely and effectively transfers power from the charger to a smart device.
The peculiar elements of this equipment are a load cell, to assess the rod preload, a non-inductive strain-gage, to evaluate the dynamic rod displacement inside the device, a pickup coil and a tensiometer, to measure the magnetic induction and the magnetic field relative to the rods, whose reliability has been validated through a finite element model of the contrivance.
The Apple Watch has a magnetic induction charging mechanism — using a magnetic connector that attaches to the back of the device.
The single-axis device is designed in a planar coil structure with a ferromagnetic core featuring low saturation magnetic induction of 10μT.
Since launching last fall Powermat has offered a series of device chargers and charging mats that work via a combination of radio-frequency identification (RFID) and magnetic induction.
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