At 1 am on June 5, 2018, Beijing time, Apple's 2018 WWDC Conference (Developers Conference) was held as scheduled at the McEnery ConvenTIon Center in San Jose, USA. After more than an hour of introduction to iOS 12, Apple CEO Tim Cook was We brought the fifth major system version of Apple Watch - watchOS 5. First of all, it is definitely a wave of self-praising. In smart watches, Apple Watch’s customer satisfaction is almost the first every year, and you can tell Apple Watch through a “Women who use Apple Watch to call the police when they help the drowning personâ€. The key moments can save lives, and Apple Watch saves lives and makes people healthier. Apple Watch does the largest collection of biometric data from the same type of product. In watchOS 5, users can launch 7-day challenges to their friends, including various sports, even yoga, hiking, and if you win, you can get more. Commendation badge. The new system will also be added to the automatic training motion detection, which will automatically give a prompt when completed. watchOS 5 new communication method - Walkie-Talkie (walking while talking), seconds to change the walkie-talkie, friends agree, you can chat. watchOS 5 supports more Siri shortcuts, Siri dials will support third-party application display, now you need to lift your wrist and say Hey Siri can activate (say "Hey, Siri"), but in the future you can raise your hand Tell the command directly. watchOS 5 supports WebKit, and you can click on the link to browse the web content without a browser. This is still very pleasant. The New Pride dial is added to watchOS 5, the app can be interactively controlled in notifications, and the Siri shortcuts are also available for Siri dials, including creating custom commands; Apple watch is your student card, which will be available in the fall. Support for Apple Watch or mobile phones, supporting universities such as Duke, Oklahoma State, Johns Hopkins, Santa Clara, and Alabama State. There is no mention of third-party applications throughout watchOS 5, and it is clear that watchOS is not intended to be open to third-party applications. VCM (Voice Coil Motor), the Voice Coil Motor in electronics, is a kind of Motor. Because the principle and loudspeaker similar, so called voice coil motor, with high frequency, high precision characteristics.
Its main principle is in a permanent magnetic field, by changing the motor coil DC current size, to control the stretching position of the spring, so as to drive up and down movement.
VCM is widely used in mobile phone cameras to realize the function of autofocus. Through VCM, the position of the lens can be adjusted to present clear images.
VCM is include of Shield Case, Frame, F.Spacer, F.Spring, Yoke, Magnet, Coil, Carrier, B.Spacer, B.Spring, Base.
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