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There is a banquet all over the world, and after the winter melon improved slightly in the afternoon of the next day, she repeatedly insisted on returning to Jianghai, Liu Meng had no choice but to send her to the airport.

Winter melon looked at Sanfat and didn't speak, just watched, and the airport radio had already begun to prompt boarding.

"Hurry up and go up, give me a text message when it's time!" Liu Meng said with a smile.

Although they haven't been together for a long time, they have experienced a lot, and they have lived and died together, which has indeed greatly promoted the relationship between each other, and the winter melon looked at the three fats with some reluctance.

That burning gaze with some affection, where can Liu Meng not feel it, deliberately dodging, at this stage he doesn't want to get involved in feelings, so as not to hurt each other, so it's good.

"When you come to Jianghai in the future, you must come to me!" said the winter melon, a smile on his face, diluting the reluctance.

"Well, definitely. Liu Meng also smiled.

Winter melon was on crutches in one hand and stretched out the other hand, Liu Meng understood what she meant, this was a farewell hug, and walked forward to hug her.

Still too thin, I don't feel like I can hold it, smelling the good fragrance of the winter melon, Liu Meng is also a little intoxicated, and he forgot to let go for a while.

The winter melon also closed his eyes, feeling the temperature brought by Liu Meng.

The announcement at the airport once again prompted boarding, Liu Meng gently let go of the winter melon, and said softly: "Have a good trip!"

Well, the winter melon nodded obediently and stepped into the security channel.

After bidding farewell to the winter melon, Liu Meng also rarely recovered his identity as a student, and got up early the next morning, running around the Dragon Tower like Guo Yunting did in the past.

This incident also made him a little more vigilant, and then he realized how valuable his technology was in 2oo4, and while running, he thought about what other technology could be used, and what was very popular later, but not at the moment.

When running, this relaxed thinking is very active, running two laps, Liu Meng patted his head, how to forget mp3, smart phones, tablets, electric cars and electric cars, this is a very rapid exhibition of several high-tech products.

At present, MP3 is very popular, but the price is still relatively high, and the price will drop very much in the next few years, touch screen smartphones are now not at all, even if Apple is still only in the opening stage, and there is no shadow of a tablet.

Electric vehicles are also a good thing, low technology, high profits, and very popular, to solve the safety problems when the motor is driven, such as the stall problem at the start, the key problem is to consider how to monopolize as long as possible to prevent the emergence of large-scale imitation.

However, Liu Meng wondered if he could test the energy recovery system for electric vehicles on electric vehicles, the principle of this system is that under the working conditions of electric vehicle reduction and braking, the motor as the driving force becomes a motor that produces electric energy, and all the electric energy generated by the motor is recovered to the battery to achieve the purpose of energy saving.

The energy recovery system had already been driven for the most part, and the final test was missing, and the conversion efficiency was as high as 99.7%, which means that when the motor becomes a motor, it produces 1oo of electrical energy, and this system can recover 99.7 electric energy into the battery.

It is a high-frequency series resonant soft switching technology, which can eliminate the switching losses caused by high-frequency switching mosFeT, IgBT, etc.

As for electric cars, it's a bit far away!

Thinking of this, I can't help but feel my blood boiling, this is all an opportunity! Another thought of the 200,000 yuan in my pocket, a student's words can be completely chic, but further investment in business, it is not enough. If only Huang Sheng's real room and workshop could be built, ready-made things could be started immediately.

Thinking about Huang Sheng's mess of things, Liu Meng began to use his brain.

After finishing the run, I took a shower at Zhou's house, refreshed, and strode to the school, ready to take a look at the class's mailbox, with the mood of trying it out, the patent application has been more than a month, I don't know if there is any news.

After opening the class mailbox, a large number of letters have accumulated in it, and because Liu Meng is busy, he usually comes to pick up the letters once a week.

Take it one by one, it seems that Jiang Weixin has a few letters, and it is estimated that his girlfriend from his hometown mailed them over, and he was disconnected, and he was beaten violently by Li Yuexian.

Seeing that there were indeed letters from the Intellectual Property Office, and there were quite a few, Liu Meng couldn't wait to open them, 5 of which had passed the preliminary examination, and the notice of qualification for the preliminary examination came.

Two utility model patents and three designs were also subject to preliminary examination, which could only be of maximum use since these two types of patents would only be disclosed after they had been granted.

However, due to the long time of granting patents, there is a special disclosure process, and once it is disclosed, it can also play a role.

The time Liu Meng is waiting for is the authorization of utility model patents and design patents, as well as the disclosure of patents.

After opening the preliminary examination notice of 1o patents, there was a letter from the Intellectual Property Office, after opening, Liu Meng jumped up excitedly, God helped me, the design of one of the remote control designs actually came to the authorization notice.

This is indeed out of Liu Meng's expectations, according to the previous experience of applying for patents in 2o1o, the design generally takes 3 months, but I didn't expect it to be authorized in 2oo4 years and 1 month.

What Liu Meng didn't expect was that the number of patent applications in 2oo4 was much less than that in 2o1o, and after 2oo8, the number of patent applications in Huaxia began to blow out, and the number of examiners did not keep up, which led to the long time for examination and authorization.

Without further ado, Liu Meng immediately stopped a taxi and went straight to the Bingcheng Intellectual Property Office to pay the patent licensing fee and the annual fee for the year.

In addition to the licensing fee, the patent also needs to pay an annual maintenance fee every year, and it increases year by year, so it costs a lot to raise a large number of patents every day, and you can't hold a large number of them without strength.

Once the number of patents is too small, then the rights you claim for protection must be too narrow, experienced companies will search for patents before cloth products, and avoid existing patents, that is to say, if you protect a screw as a fastener, he will replace it with a nut, which does not constitute infringement.

The scope of protection of a patent is defined by claims, if the scope of protection is too large, it is likely that the authorization will not be rejected and become useless waste paper, and once narrow, it is easy to bypass and become useless garbage.

Liu Meng knew this very well, so in order to be precautionary, he applied for 1o patents, and according to the characteristics of different types of protection, cross-protection, so that counterfeit imitators could not avoid it and surrendered obediently.

However, Huang Sheng, an old hat, didn't understand these at all, and it was impossible for him to think of playing tricks in this regard. With the official authorization of the first design, Huang Sheng has begun to quietly infringe.

Liu Meng came out after paying the fee, and snorted coldly, Huang Sheng, you can continue to be proud! I want more now, I want both your workshop and the real room.

Back to school, Liu Meng's mood is still very good, finally opened a start, or go to the library, take advantage of the interest, continue to study mp3 and electric car technology, mp3 has appeared in large numbers, how to increase capacity, enhance sound quality, reduce costs is the key.

Enhance the sound quality of this piece can do some articles,Mainly through guò hardware filtering and digital filtering,Liu Meng is also digital for this piece of content,dFT、dcT、Wavelet and other transformations are proficient,How to improve it needs to be improved。

As for electric vehicles, in fact, the technical content is not as high as the remote control small aircraft, the main consideration is the issue of protection, huge interests driven, imitation is inevitable, the stronger the opponent, the more difficult it is to protect intellectual property rights.

Once your opponent notices that you are making a fuss about intellectual property, they will not be stupid enough to continue jumping into it, and will inevitably find a way to circumvent the minefield you have laid in front of you.

Liu Meng was fascinated by it, but he forgot to turn off his mobile phone in advance, but the sound of Didi on the mobile phone disturbed him, and he felt very unhappy when he was interrupted, frowned, took out his mobile phone and saw that it was Teacher Yang Yun who came over: You must come to class in the afternoon, otherwise your usual grades at the end of the semester will be deducted.

It's rare that Yang Yun's tone is not so rigid now, Liu Meng secretly felt funny, and replied: What's the matter? Can you not go.

Soon Yang Yun replied: Important, you must come, as for what, you will know when the time comes!

Okay, immediately reverted to Yan Sù rigidity, for Yang Yun's support during the midterm exam, and the usual connivance in class, Liu Meng is still grateful, and he must still obediently go to class in the afternoon......

I saw a few trolls on Dragon-Sky laugh at me at 99.7% efficiency in the first chapter, and I really wanted to ask, do you understand what it means? This is the way this world is, there are some ignorant people who always like to laugh at others with their ignorance, which is ridiculous.