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Tesla launches Apple Watch app to control electric vehicles in upcoming update

Today, Tesla confirmed that an official Apple Watch app is coming soon. As part of the 2024 Tesla Holiday Update, the carmaker will officially release a watchOS version of the Tesla app. It will start arriving as part of an over-the-air (OTA) update that starts rolling out next week.

The app will let users see the current battery charge level, open their car’s frunk, and remotely enable the climate control system. The most notable capability, however, will be using it as a phone key.

A phone key, which lives on smartphones via an application, allows users to lock, unlock, and start the vehicle. In Tesla’s car, the phone key communicates via Bluetooth signals and unlocks the doors as soon as a person pulls the door handle.

Likewise, when users walk away carrying the paired smartphone, the Walk-Away Door Lock system automatically locks the doors. Users have to go through authentication, and once a device is registered as a trusted phone key, they won’t even require internet connectivity to access all the features.

The number of authenticated phone keys allowed by a Tesla car is limited, presumably for safety reasons. Take, for example, the entry-level Tesla Model 3, which only allows up to three phone keys simultaneously.

Tesla cars also support NFC-based car unlocking, similar to the key card the brand offers. Tesla’s blog post doesn’t specify whether the watchOS app will rely on Bluetooth, NFC, or both.

In addition to releasing an Apple Watch app, the Holiday update will also let users watch and locally save clips recorded by their car’s cameras in Dashcam and Sentry Mode. Users will also be able to specify battery charging levels when they reach their destination and check the precipitation situation on the Map.

“When in Reverse, your vehicle will alert you if it detects a pedestrian or vehicle crossing behind you,” says the update note shared on X. In case a cross-traffic object is seen, the car will also issue an audible alert.

On the more playful side of things, there’s a new Emissions feature. It allows you to set any seat to “fart on contact,” which means a fart sound will play when someone sits on that seat. It’s a digital whoopee cushion and the third such fart feature from Tesla, which also has “fart on demand” and “fart on turn signal” settings.

Those are far from the only new features announced by Tesla. A post on X — Elon Musk’s version of Twitter — has the full details. Among the notable updates include the ability to set a preferred battery level upon arrival at your destination, a new alert for cross-traffic while in reverse, and Cybertruck’s “Santa Mode” that turns your car’s avatar into a sleigh.

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Apple invents a Blood Pressure Monitoring System for a Future Apple Watch

That Apple is currently working on ways to measure blood pressure is no secret. Bloomberg’s Mark Gurman has been reporting on the possible addition of a blood pressure monitor for Apple Watch going back at least to April 2022.Gurman predicted that Apple would introduce this feature in 2024, but that didn’t materialize.  

Now the U.S. Patent Office published a patent application of Apple’s  relating to an Apple Watch with Blood Pressure monitoring.

Apple notes that it can be difficult to precisely determine conventional blood pressure parameters, such as systolic and diastolic blood pressures, using oscillometry measurement techniques. It may be desirable to more precisely determine events associated with a blood pressure measurement, including the closing and/or opening of a blood vessel during a compression measurement.

Apple’s patent covers a blood pressure measurement device that uses a liquid filled sensing chamber to measure blood pressure of a user.

An inflatable chamber is first filled, which, together with a sensing chamber and a pressure sensor, work to detect the resulting ‘vibrations’ that occur in the user’s blood flow. In simple terms: Blood pressure is the externally applied pressure required to stop blood flow. Korotkoff sounds, the sounds or ‘vibrations’ that are emitted when pressure is applied to blood flow via a non-invasive procedure, can then be measured. 

The patent mentions that the chamber is filled with liquid – what advantages liquid offers instead of air is not immediately clear, as liquids, unlike gases (and ultimately air) are considered incompressible. 

The patent was created by Apple hardware engineer Caleb Han, an 11-year veteran.But as always, just because Apple is patenting a particular technology doesn’t necessarily mean it will be implemented in the next Apple Watch, or even at all.

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This Apple Watch Series 10 advanced display tec might make your iPhone better

A new supply-chain report notes that the Apple Watch Series 10 advanced display technology is expected to be adopted in future iPhones.

Apple’s trickle-down approach means that the Apple Watch always gets the most advanced display tech first before it later rolls out to other devices, and the S10 tech is likely to be later used for iPhones – but not next year …

Apple Watch S10 advanced display tech

On the flagship Apple Watch Series 10, LTPO3 enables Apple to optimize each pixel to emit more light at wider angles and improve battery efficiency.  As a result, the display is 40% brighter than on the previous model, theApple WatchSeries 9, which employed LTPO2. The newer technology also allows for a faster refresh rate when the watch is in always-on mode.

From a technical standpoint, LTPO2 uses two switching TFTs (thin-film transistors), while LTPO3 uses a more efficient oxide-based version. It can directly control the current to emit light from the display’s OLED element.

The LTPO3 feature on the Apple Watch Series 10 is reported to enhance battery efficiency; however, it does not appear to extend battery life. The Apple Watch Series 10 offers a battery life of up to 18 hours between charges, similar to other models in the series. Whether LTPO3 will yield similar or improved results on future iPhones remains to be seen.

Likely to be used in future iPhones

The Elec reports that supply-chain observers expect LTPO3 to be used in future iPhones, to further boost battery life.

The core of LTPO3, which was first applied to Apple Watch 10 this year, is that the drive TFT was changed from the existing LTPS to oxide. The drive TFT directly controls the current to emit light on the OLED device.

The industry is paying attention to the possibility that LTPO3 will also be applied to Apple iPhone in the future. Apple first applied LTPO OLED to Apple Watch 4 in 2018 and then applied LTPO OLED to the iPhone 13 Pro lineup in 2021.

The iPhone 16 Pro series uses LTPO2, which isn’t expected to change in the 2025 iPhone 17 Pro series. Therefore, the earliest we may see LTPO3 on iPhones could be with the iPhone 18 in 2026.