This patent also puts forward many interesting backup schemes, including: locking the earphone jack to prevent it from falling when plugging in the earphone again; Set the gas thrust device for the mobile phone and use the reaction force to land safely.
However, Apple's design theme is still "fashion", and these solutions seem a bit unrealistic. These concepts can also be used for laptops and tablets. But what is certain is that these patents will be applied to the iPhone for a long time.
30-pin and 8-pin connectors:
IPhone, iPhone 3G, iPhone 4 and iPhone 4s use 30Pin interface, and the models after iPhone 5 (inclusive) use Lightning interface.
The pin of this connector is 8pin, which can be inserted on both sides, and the size is similar to Micro USB. Lightning interface array has four contacts for data transmission, two for accessories, 1 pin for charging and 1 pin for grounding; After iPhone 7 (included), this model canceled the 3.5mm headphone jack and used Apple AirPods headphones.