Although most of today's wearable devices are concentrated on smart watches, smart bracelets, immersive glasses, etc., their exploration space has changed a lot. From the elderly to the baby, from the headgear to the socks, from the outside to the body, the exploration of wearable devices extends to almost every part of the human body.
In the near future, the physical screen will disappear, replaced by a virtual screen displayed in any space, either in space, or on the wrist, or of course through the vision of the glasses. When this technology enters commercial applications, it is inevitable to replace the current smart phones, but there is still a key element in this, data transmission technology.
We use the sensor technology of wearable devices to digitize any part of the body, including dynamic and static vital signs, behavioral habits, and lifestyle. If these data are transmitted to the big data processing center in the cloud in real time and effectively, and also ensure that the data analysis processing results can be fed back to the user in real time and provide scientific guidance to the user, this means that the data transmission is ok. A very critical value point for wearing a device.
Although a large number of enterprises are entering the wearable device industry, both large and small companies are striving to develop a variety of wearable devices in the hope of catching up with this business wave. The tech giants we know are hoping to be in this wave. Lead the industry. For example, Google Glass has been receiving attention since the day of birth, and it has also raised different questions. Intel not only launched smart bracelets, but also developed wearable devices including voice assistant headsets and baby monitor jumpsuits.
As a smart key for connecting people and things, wearable devices have apparently extended from single data monitoring for people to monitoring and connecting objects. In the field of smart homes, some manufacturers have tried to connect and control smart door locks, home lighting, smart home appliances and other systems based on wearable devices. In the field of smart cars, manufacturers have tried to replace car keys with wearable watches. More intelligent control of automobiles; in the field of financial payment, manufacturers have already implemented payment based on the integration of wearable devices into NFC technology for subways and public transportation. Although the current relatively small operation of the physical screen of the wearable device brings an imperfect experience to the user, with the application of the voice interaction technology and the development of the virtual reality technology, this problem will be quickly solved.
When display and connection are not a problem, the problem of real-time interworking is at hand. How to realize interconnection and interconnection between devices, how to realize interconnection and interconnection between people and devices, how to realize interconnection and interconnection between data, and how to realize interconnection and interconnection between devices and the entire Internet of Things. These issues have clearly reached the point where they need to be considered.
Although today's smart devices are increasingly using wireless technology or mobile Internet access networks, there are many types of wireless communication technologies. For example, in smart watches, smart bracelets, smart glasses, technologies such as Wi-Fi, Bluetooth or mobile cellular are commonly used; wireless technologies in smart homes are usually used such as Wi-Fi, Bluetooth, ZigBee,
Infrared transmission and other technologies. But in the era of wearable devices that are connected by everything, the problem is not between objects, or whether there is networking between people, but whether there is an effective connection between them.
In recent years, with the rise of the wearable device industry, wireless transmission technology has received attention and has also been developed more rapidly. With the rise of Wi-Fi and NFC wireless transmission technologies, Bluetooth technology in the mobile phone era has been continuously compared and discussed between the two, and of course mobile cellular technology is also participating in the competition. However, as far as the current situation is concerned, it is difficult to give up one of these technologies because they have their own strengths and are short-lived.
For example, in the field of communication-based smart watches, or smart glasses based on wireless networking, it is necessary to resort to current mobile 4G technology. In the medical field, Bluetooth is more popular, especially under the Bluetooth 4.0 low-power technology, it only needs one button battery to sustain the work for a year or even longer. This is currently difficult to meet Wi-Fi technology. Currently, Wi-Fi technology generally consumes a lot of power and power. On the one hand, it consumes more power. On the other hand, it is easy to interfere with some medical equipment, so it is applied in the field of mobile medical. Relatively small.
This shows us that with the intelligentization of wearable devices and the development of the Internet of Things, wireless transmission technology has become a core connection technology. Although the current wireless transmission technology is diversified and has its own strengths, this is only a development stage at present.
In my opinion, the future wireless transmission technology will generally have two development directions: First, it will break through one of the wireless transmission technologies, combine the advantages of multiple wireless communication technologies, improve the shortcomings, and become the mainstream wireless. Transmission technology; Second, there will be multiple wireless transmission technologies on the future wearable device or smart device. The device will automatically identify and select the optimal wireless transmission solution according to the environment.
The touch screen monitor allows the user to operate the host computer simply by touching the icon or text on the computer display screen with his finger, thus getting rid of keyboard and mouse operations and making the human-computer interaction more straightforward. Mainly used in information inquiry in public halls, leading offices, electronic games, song and order, multimedia teaching, air ticket / train ticket pre-sale, etc. The products are mainly divided into three types: capacitive touch screen, resistive touch screen and surface acoustic wave touch screen.
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