On April 4, 2012, Google announced a product plan called "Project Glass" on its social network Google+, which is now the much-watched Google Glass. On January 28 and February 1 this year, Google hosted two Google Glass Developer Conferences in Los Angeles and New York. The participating developers (US users who are over 18 years old) pay $ 1,500 to get the beta version of Google Glass and take the latter back to study it carefully. In the Chinese market, a survey shows that although the price of this high-tech product may be as high as 9,000 yuan, nearly 70% of netizens have the intention to buy. Many technology enthusiasts can't wait to "play" some things. In their eyes, Google Glass is called "the next revolutionary" technology product because of its powerful functions and unprecedented innovative ideas.
What is Google Glass?
Since the advent of Google Glass, this is a problem that many people are very interested in and want to understand. In fact, its shape is similar to glasses. In fact, it is a combination of miniature projector + camera + sensor + storage transmission + control device. The small lens on the right eye includes a micro projector and a camera, the projector is used to display data, the camera is used to shoot video and images, the storage and transmission module is used to store and output data, and the control device can use voice, touch and Automatic three-mode control. It has the function of a smart phone. Users can surf the Internet or process text messages and e-mails without having to do it. At the same time, they can use voice to take pictures, video calls, and identify directions.
An entrepreneur engaged in augmented reality technology in Silicon Valley analyzed the projection principle of Google Glass: a micro projector first projected light onto a reflective screen, and then refracted it to the human eyeball through a convex lens, to achieve the so-called "first-level magnification", Form a virtual screen large enough in front of human eyes to display simple text information and various data.
Judging from the latest Google Glass demo video released by Google, voice recognition is the main way for users to interact with Google Glass. In addition, Google Glass is also equipped with a gesture-based touchpad and buttons on the side of the device.
Users only need to say "Ok Glass", and then through a series of preset commands, they can perform tasks such as searching, taking pictures, recording videos, sending text messages, and obtaining geographic locations. These tasks are basically all the functions currently supported by Google Glass, but Google said it is still testing a variety of different functions.
Or replace smartphones
Google co-founder Sergey Brin (Sergey Brin) recently said at the TED conference in Long Beach, California: "The current smartphones are all castration machines, and Google Glass is the future." Arouse heated debates from all walks of life.
In favor of "Google Glass is the future of smartphones", the square view is that with the development of technology and the rapid changes in electronic products, smartphone manufacturers can no longer rely on methods such as increasing screen resolution, improving camera performance, and downloading speed to change Current situation. As a pioneer representative of wearable devices, Google Glass seems to be able to replace smartphones and bring them back to the original form of “mobile phonesâ€. As if there are fewer and fewer people wearing watches now, the existing symbolic meaning of watches is far greater than that of tools; and tablet computers are gradually replacing bulky desktop computers. When people can pull out a smartphone from their pockets and read time information on their bright screens, who needs to buy a watch? Under such technological leadership, once people realize that they can complete a call, check time, email, and obtain social media and network information with glasses, they will find that the necessity of a smartphone is not necessary. The breakthrough of Google Glass is that it truly liberated our hands on the road from the real world to the digital world.
The opposing view that “Google Glass will replace smartphones†believes that if Google Glass is to be a disruptive product to end smartphone competition, first of all, there are inherent deficiencies in the information presentation model, and second, it is easy to involve ethical issues such as privacy violations. Recently, a bar in Seattle, the United States announced that customers wearing Google Glass are prohibited from entering. The owner of this bar believes that Google Glass will allow some consumers to secretly take photos of guests ’privacy and upload them online. At this time, you have to take off the glasses, and the smartphone becomes your must-have tool again, so there are still many problems to be solved if Google Glass wants to replace the smartphone. However, it still provides many useful hints for the future direction of mobile computing technology.
The Bluetooth wireless speaker is the terminal of the entire audio system, to convert the audio energy into corresponding sound energy and radiate it into the space. Bluetooth Speakers usually consist of speaker, crossover, cabinet, sound absorbing materials and so on. Bluetooth Speaker is a device that converts audio signal into sound. In general, it means that the main body of the speaker or the subwoofer box has its own power amplifier. After the audio signal is amplified, the sound is played back by the speaker itself, making the sound louder.
Advantages:
1: Perfect support for the tablet and mobile phone. The transmission is stable. the distance is generally 10 meters.
2: Miniaturization, fashion, and versatility.
3: The sound quality is delicate and soft. The appearance is more delicate and beautiful.
The sound pressure level of the sound is not too high, and the power received is relatively small.
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