Your digest of technological news, through the Daily technical bulletin of the DGiT, for Wednesday May 6.
1. NFC adds wireless charging in a new specification
Here’s something coming a little further than normal coverage, but which could be important: The NFC Forum, which has Apple, Sony, and Google as its sponsors, and Samsung as its core member, has ad approving a wireless charging specification to allow you to charge devices via NFC chips.
- The NFC Forum, “Approved and passed the Wireless Charging Specification (WLC) which enables small battery-powered consumer and IoT devices to be wirelessly charged with a smartphone or other NFC charging device at a power transfer rate of up to one watt,“He said in a press release this morning.
- “This will improve the user experience for the two billion consumers and businesses using smartphones and other NFC-enabled devices.“
- “The WLC allows a single antenna in an NFC-enabled device to handle both communications and load. This solution makes it easier and easier to charge low-power IoT devices such as smartwatches, fitness trackers, wireless headphones, digital pens and other consumer devices.“
What this means:
- Yes, wireless charging already exists, including reverse wireless charging of Samsung and Huawei smartphones. But these are additional dedicated coils.
- And we haven’t seen the technology from Apple yet.
- But most smartphones and other technological devices are already equipped with NFC technology. Integrating wireless charging with NFC would mean easier and more standardized wireless charging based on already prolific standard technology.
- As for the 1W power transfer, it seems small, but easily enough for small devices, including headphones and IoT objects.
- This is also where the imagination comes into play: no more wired charging, this is the point of view of the NFC Forum, which has created new forms of devices:
- “NFC wireless charging is truly transformative as it changes the way we design and interact with small battery-powered devices, as the elimination of plugs and cords allows for the creation of smaller, hermetically sealed devices,” said said Koichi Tagawa, chairman of the NFC forum.
- This implies all kinds of possibilities and saving space without transferring energy via wires.
- NFC-enabled devices already include chargers, PCs, tablets and portable devices: Wikipedia maintains an exhaustive list of “NFC-enabled mobile devices”Which includes what may be surprises, such as Nintendo Switch controllers.
- And it can integrate both communication and charging: “For example, a Bluetooth headset that includes NFC technology for pairing could also use the NFC interface for wireless charging. In this case, the NFC antenna is used to exchange pairing information and to transfer power ”, notes the standardization body.
- Considering the application rate from specification to implementation, we are ahead. Probably a year or two earlier, before it was widely adopted, if all goes according to plan.
2. Google Pixel Buds Review (2020): Android’s AirPods (Android Authority).
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