Recently, Tony lost a charging cable again.
was originally, and this is not a big problem. Just buy another one, and the price is not expensive.
But who said that the cable Tony used was just that special. One line dragged three different types of charging heads, Lightning, Type-Ch and micro-USB.
all of a sudden. In the days when the new charging cable has not arrived, Tony has realized the charging anxiety that he shouldn't have:
first went to Shichao to borrow a Type-C cable to charge his phone; then borrowed a Lightning cable from Xiao Lajiao to charge his iPad; finally asked Lali to borrow a micro-USB to charge his headset. . .
As I asked people about borrowing charging cables, Tony felt a little embarrassed himself.
Although the Type-C interface has been widely popular on Android phones and has almost become the standard configuration, on other digital devices, the "historical legacy" problem of the interface has not been completely solved.
is like the smartphones becoming thinner and lighter in recent years, the interface of digital devices has also experienced a process of getting smaller and thinner.
Take the USB interface as an example, from the initial standard USB, to the later Mini-USB, and then to micro-USB.
Although the interface is constantly becoming thinner, there is a particularly anti-human design that has always existed: does not support blind insertion on the front and back.
This is a bit embarrassing. For people like Tony who likes to play with their phones at night, the blind insertion before going out after lights have almost never succeeded. In many cases, they almost did a miracle to insert the charging head.
Until the emergence of the Type-C interface that can be plugged in at any time, the global problem of "USB can never be plugged in" was solved (of course, the unique Apple also has a Lightning interface and will collect a wave of MFi tax).
does not need to distinguish the direction in advance, and you don’t need to find the right and wrong to insert it. It’s simply convenient. The Type-C interface can be said to perfectly improve our experience and happiness for digital devices.
can be used as the Type-C interface appears, it is easy to use, and it is easy to use. It is another matter for smart manufacturers to be willing to use it for their own products.
was used as a selling point. Type-C interface
is like Tony lost the cable this time. If all the interfaces of his device are Type-C, then just borrow another cable and you will be done. How can you bother so many people to borrow different charging cables?
Even though this is the case, even if your computer, mobile phone and other devices are already using the Type-C interface, in many cases, it is just a testimonial, and many of them are left with residual blood versions.
Speaking of this, friends may have questions. The interfaces are obviously the same Type-C appearance and can be charged with the same cable. Why does the concept of residual blood suddenly appear like the processor?
Before starting to explain, Tony had to mention a very powerful non-profit organization: the USB-IF Association (USB Implementers Forum), which is the current USB standardization organization.
Since its establishment, the organization has formulated many technical specifications including interfaces such as PD fast charging and USB, thus giving unified standards for peripheral expansion of computers/mobile phones and other devices.
Type-C is a new interface developed and launched by the USB standardization organization in 2014 to solve the shortcomings of inconsistent USB interface specifications and only one-way transmission when charging.
Its full name is USB Type-C interface. is actually a USB physical hardware interface form . Before Type-C, of course, there were Type-A interfaces and Type-B interfaces.
The appearance of various interfaces
is not difficult to understand from the definition. As long as the pins and appearance of the interface are the same as Type-C, they can be called the Type-C interface.
In fact, at first glance, the Type-C interface is not much different from other interfaces, that is, it is small in size and supports forward and reverse insertion. The advantage of does not seem to be enough to unify other interfaces?
This is also due to the alternating mode of Alternate Mode introduced by USB-IF, which supports the use of the USB Type-C interface for other purposes.
Many bad friends also know that in addition to the power charging port, there are often several expansion interfaces such as HDMI, DVI, VGA, DISPLAY, USB, etc. on a computer.
so many interfaces are put together, although it is convenient to use, it also occupies a lot of physical space. With the alternative mode of , the Type-C interface function becomes more powerful.
is a Type-C interface that can not only act as a power port, but can also plug in USB headsets, external keyboards or monitors.
, whether it is data transmission, audio and video output, charging and other functions, can be realized through Type-C.
But as mentioned earlier, Type-C is just an interface form. To implement functions such as mentioned above, is not allowed to have an interface alone, and it also needs to have the support of the corresponding interface transmission protocol.
If the Type-C interface is compared to a highway, if trucks, buses, and cars want to drive on this road, they must comply with the corresponding agreement.
At this time, the model is like the function of the interface, and the protocol stipulates the model that can be used on the road and the fastest speed.
On the Type-C carrier, the most common interface transmission protocols are the two protocols: USB X.X version and Thunderbolt3 (Thunderbolt 3).
USB X.X protocols include USB 2.0, USB 3.1 GEN1, USB 3.1 GEN2, USB4, etc. The data transmission rate increases in sequence with the version number.
For the protocol of USB 3.1 GEN2, the maximum transmission rate is 10Gb/s. Although its transmission rate is already fast enough, it is still a big gap compared to the Thunderbolt 3 full-speed 40Gb/s.
This leads to two mobile phones or computers. Even if uses the Type-C interface, the experience brought by the difference in interface performance can be very different because of the different transmission protocols.
Use USB 3.1 Gen1 protocol to transfer files and photos of the album back up data by using the mobile phone and computer. It only takes 10 minutes.
When you arrive on a mobile phone using the USB 2.0 protocol, it may take more than three hours to transfer files and guide albums to backup data between the computer. . . The
parameter is not specifically specified, it is probably USB 2.0.
is the same as it is placed on the computer.
is also a Type-C interface. One can only use the Type-C interface to charge, while the other can use the Type-C interface to connect to four 4k monitors or graphics card docks, and the expansion performance is different.
Although the Type-C interface replaces other interfaces in the future is a trend: it supports a wider range of application areas and more advanced transmission protocols. . . , but so far we cannot completely replace the old interface.
Most users’ mouse, keyboard, monitor, mobile hard disk and other devices also need Type-A ports. The violent push by manufacturers is equivalent to turning the products in the hands of users into electronic waste (unless they use adapters).
At the same time, although many manufacturers have equipped their products with Type-C interfaces, they are not actually "full blood version" interfaces:
has fewer valid pins, and only supports low-speed protocols. . . To put it bluntly, it is still a virtual thing to save money. Consumers are not familiar with the Type-C interface enough now, although they may not be able to use some functions.
Due to these various problems, it will take time to truly popularize the Type-C interface, but which technology in is not like this?
If one day the cost really drops and the increase in consumer awareness makes Type-C completely popular, then Tony, who loses data cables all day, will no longer be afraid, and see whoever steals one on the table and runs away.
" There are too many standards now, I have interface phobia "
