“Running wires is costly, restrictive, and hard to manage. “ESLs currently require batteries or wiring,” Woo explained. Walmart has roughly 11,800 locations in 28 countries, operating under 59 different names. And those stores contain lots of battery-powered barcode scanners, electronic shelf labels (ESLs), security cameras, electronic beacons, displays, and other internet of things devices. Preston Woo, VP of corporate development and business alliances at Ossia, said a retail setting was a natural fit for Cota: “Walmart a lot of different needs for wireless power, and not just in stores.” Future designs will take advantage of more powerful 2.4GHz and 5.8GHz hardware, the latter of which will enable Ossia to squeeze more antennas onto a same-sized transmitter. When a device starts running low on power, those antennas emit microseconds-long beacon signals that reflect off of walls and other obstacles until they reach a transmitter, which triangulates the beams to pinpoint the transceiver’s location and sends power along those paths.Ī single transmitter can send about 1 watt to a smartphone sitting 3-6 feet away, Ossia claims, while its prototype Cota Tile can charge devices up to 30 feet away (or 50 feet with two transmitters working in tandem). Instead, it taps thousands of antennas embedded in transmitters that communicate with compatible transceivers. If you aren’t familiar with Ossia’s Cota platform, here’s a quick rundown: Unlike most “wireless” charging tech on the market, Cota doesn’t require line-of-sight access, plugs, or charging pads.
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