Distance Wireless Charging Makes Small Return to CES 2022


It’s a similar story Strong, which has announced exciting relationships and showcased its WattUp expertise many times but did not reach consumers. Technovator he did not go to the market. Witricity rushed to electric vehicles. Powercast was one of the first companies to produce consumer equipment, a wireless charging connector and transmitter for Nintendo Switch Joy-Con controllers, but it costs $ 150 and has colors around just one foot. The deadly weapon of contraception remains the challenge.

Leveling Up

Guru, the company behind the Motorola display, could be a number of steps ahead of its peers. It uses RF lenses to send direct poles from the output phase (Gu) to the return point (Ru). Ali Hajimiri, co-founder of the GuRu team and senior science consultant, shows me tiny particles with tiny antennae that resembles a Lego block and says the company has developed flexible equipment that helps the technical work. in various types of tools. .

“We are the only company that can produce several watts on several devices at several meters at the same time,” says Hajimiri.

I first met GuRu at CES 2020 to see Rovi, a robot-like hand-held connector that moves to charge a variety of tools, very close to illuminate more power. The company has improved since then. Its technology incorporates an integrated ASIC (user-programmed) component, an intelligent algorithm that is able to detect power quickly and efficiently in a small area, and, with difficulty, high frequencies to deliver more power over long distances.

Most of these technologies are based on the 2.4-GHz frequency we know from Wi-Fi, and they are also the frequencies that call for the farthest from Samsung. Energous uses 5.8-GHz frequencies, and Ossia is switching to 5.8-GHz with its Cota technology. The Guru secretory component is capable of operating at 24 GHz. This jump not only means more power but also longer distances, it also allows smaller transmitters and receivers. A mobile phone device can charge a headphone connection at a distance of several meters.

“It’s like a magnifying glass in which you can focus energy in one place, but the space can move, and you can create several spots,” says Hajimiri.

Chickens and Eggs

The need for transmitters and receivers integrated into our products hinders the early installation of remote wireless devices. Sounds good, but who can spend hundreds of dollars on an electronic router that supports multiple devices or requires additional features to operate?

“I think the best example of this technology is Wi-Fi,” says Hajimiri. “In the early days, you had to buy a big PCMCIA card to put on your laptop, and many people said, ‘I can’t use Wi-Fi because my ethernet cable runs 100 times.”

Wi-Fi has improved more, and we accept a better hit to go wireless. Energy can follow the same path, and there are other benefits.



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