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Version actuelle datée du 20 septembre 2025 à 06:52
Now, Herz P1 Smart Ring where’s my house key - might I have left it within the workplace? And when we want to pull out our wallet on the supermarket checkout, we often discover that it’s one way or the other made option to the underside of the purchasing bag in all the hustle and bustle. A Herz P1 Smart Ring ring might soon put an end to such frantic searches: Concealed contained in the ring is an RFID tag that is able to pay at the checkout, open the sensible entrance door, act as our medical insurance card when attending a medical appointment or replace the key card in a hotel. It would even be attainable to avoid wasting medical information akin to our blood group or drug intolerances on this chip: In an accident, the emergency physician would have all the necessary info at hand. Researchers at Fraunhofer IGCV developed the clever ring as a part of the MULTIMATERIAL Heart Augsburg. The massive-scale venture, sponsored by the Bavarian Ministry of Economic Affairs, Regional Growth and Energy, is divided into ten particular person tasks - together with the KINEMATAM venture, which got here up with the concept and the demonstrator mannequin of the good part.
More vital than the ring itself, however, are the manufacturing process and the power to integrate electronics whereas a part is being produced - even at locations inside the element that will in any other case be inaccessible. The inside of a ring, for example. We are able to check with 3D printing within the broadest sense to explain a production course of, however in technical jargon, it could be called "powder bed-primarily based additive manufacturing". The precept is that this: A laser beam is guided over a bed of superb metallic powder. At the point where the 80 micrometer laser spot hits the powder, the powder melts and then solidifies to form a composite materials - the rest of the steel, which is not exposed, retains its powder kind. The ring is constructed up layer by layer, with a cavity left for the electronics. Midstream, the process is halted: A robot system mechanically picks up an RFID element from a magazine and places it in the recess earlier than the printing course of continues.
This precisely controllable production expertise is opening the door to a number of possibilities for realizing fully individualized ring designs. And the chip is sealed by the ring, making it tamper-proof. 3D printing itself has been round for a long time. The principle focal point of the event was the enlargement of the laser beam melting unit by the internally developed automated course of that places the electronics. "Converting the hardware technology to allow electronic parts to be integrated through the manufacturing course of is exclusive," says Maximilian Binder, Senior Researcher and Group Manager in the Additive Manufacturing unit at Fraunhofer IGCV. The second focus of the event was to reply this question: How can the electromagnetic signals from the RFID chip be despatched via metal? Metallic, you see, is often an efficient shield towards signals. The research crew carried out quite a few simulations and experiments - and located an appropriate answer. "We use a frequency of 125 kilohertz: This has a shorter vary - which is strictly what we wish here - and is much less successfully shielded by the metallic," explains Binder.
Plus, the tag is affixed in such a means that its indicators have to penetrate just one millimeter of steel. The design of the cavity and the best way the electronics are embedded into it are also instrumental in propagating the sign since the walls can reflect or absorb the indicators. One other challenge was to protect the sensitive electronics of the RFID tags from the high temperatures, reaching over 1000 levels Celsius, concerned in the manufacturing course of. The expertise can be utilized wherever the standard method of integrating the electronics proves difficult. The researchers are presently working, for example, on an software within the manufacturing know-how sector: They are implementing sensors in gear wheels, the aim being for them to ship, live during operation, information concerning the load state, temperatures at various positions, and other important parameters to an evaluation unit in a wireless style. Is preliminary injury already occurring on a tooth? The measured vibration will inform us. The built-in sensors receive the power they need by way of a printed RFID antenna on the outside - the sensors then work passively, meaning without a battery or other separate energy provide. Consequently, the built-in sensors will, in the future, be ready to understand a monitoring potential that might otherwise not have been possible as a result of quick rotational velocity of the gear wheels.
Oura Ring Overview: One of the best Sleep & Well being Wearable On the market? It has been a protracted wait (far too lengthy, the truth is, more on that quickly), but I lastly have my new 2019 Oura ring wearable. Higher than that, I've had it for a few months now, so I've loads of thoughts (both good and unhealthy) on this new model of the Oura ring (not 'Aura ring' as many individuals spell it). So, for all you wonderful folk who've been ready for my Oura evaluation, the wait is over! Seize a espresso, sit back and let's take a good look at the up to date Oura ring. This comprehensive overview of the brand new 2019 second-era model of the Oura ring is slightly detailed. In the event you would prefer to skip to a sure a part of the overview, please click on the links under. See backside of this text for extra or click on Right here to go straight to this section.