The end of the Ming Dynasty swept the world

Chapter 972 Mobile Communication

Not long after he was done, Tian Qianhu and a teacher came in.

Seeing Ding Yi sitting in this position, the teacher immediately called out, "This is Li Ji's position, right?"

"Report to Tian Qianhu, my eyesight is not very good, I want to change position." Ding Yi got up and said.

The teacher looked at Tian Qianhu, because it was arranged by Tian Qianhu before.

Tian Qianhu nodded decisively: "We must consider the reasons for the eyesight of the students, agree."

The teacher naturally had nothing to say.

Tian Qianhu wanted to leave after watching it, but he waited because he thought that Li Ji would come later.

After a while, the students entered the classroom one after another, and Song Pian and several female brocades also came in. Song Pian was a little surprised to see herself sitting in front of Ding Yi.

Looking at Ding Yi's name again, it was obviously reposted, which made it even more strange.

Ding Yi immediately started bragging with her. In terms of flirting with her, no one can compare to Ding Yi, the king of the sea.

As the second King of the Sea, Ding Yi is good at coaxing girls, and after a while, he made the four female brocades like Song Pian tremble wildly.

It's a pity that among the four women's brocades, only Song Pian, the light general flag, is not married, and the other three are all married.

Several people were chatting happily. Li Ji came in. After searching for a long time, he didn't see his name. After being reminded by others, he realized that he was in the last row of the classroom.

Li Ji was furious, and rushed to Ding Yi in three steps at a time: "Ding Yi, do you dare to change my position?"

"Ding Yi didn't change it." Suddenly, someone behind him sternly said.

Li Ji turned around and saw Tian Qianhu with an incredulous expression on his face.

"Ding Yi's eyesight is not very good. We must consider the needs of the students. This is a decision made by the base. Li Ji, go back to your seat."

Let me tell you, how could he be a royal guard with poor eyesight?Li Ji really wanted to ask Ding Yi.

However, Tian Qianhu's attitude made a 180-degree turn, which shocked him very much.

He stared blankly at Ding Yi, gritted his teeth for the last time, and returned to the back row obediently.

There was a little noise in the classroom. When the people in Ding Yi's dormitory saw Li Ji rushing over, they thought Ding Yi was going to be unlucky, but they didn't expect Li Ji to be sprayed back by Tian Qianhu.

"My brother Yi is awesome." Mao Guoying exclaimed.

"Li Baihu suffocated?"

"Brother Yi is hiding something?" Several people discussed one after another.

Ding Yi knew what class was in that afternoon, but Song Pian didn't listen to it at all.

After a while Ding Yi pulled her hair and handed her a small note.

"what dishes do you like to eat?"

After a while, Ding Yi patted her on the shoulder and handed her a small note: "Your hair is so soft."

Song Pian was distracted by Ding Yi, and she didn't hear clearly what class she was attending. The roommate sitting next to her was full of dog food, and turned her head to stare at Ding Yi many times.

After the first get out of class was over, Song Pian jumped up at the same table: "Ding Yi, if you do this again, I will report you."

"Bah"

Ding Yi slapped a hundred-yuan bill on the table: "Sister Mei, take it and buy milk powder."

Sister Mei is 27 and eight years old. It is said that she has just given birth to a child and came to train while she was still breastfeeding.

The red group is actually quite mature and looks good, but the key is that they are bulging and look good.

She stared at Ding Yi, glanced at 100 yuan, and was about to curse.

"Ba" Another one hundred yuan bill was slapped on the table.

Sister Mei stared at Ding Yi, Song Pian opened her small mouth slightly, her face covered.

A few seconds later, Sister Mei covered her mouth and smiled, and said softly, "Boss Ding is sorry, but I thank you on behalf of my son."

I grabbed two hundred yuan.

Then he stood up: "After class, do you want to change seats? It only costs 100 yuan."

"Sister Mei, you can't forget your righteousness for profit." Song Pian said dissatisfied.

"No, I like to watch Pianpian from behind." Ding Yi said.

"It's disgusting." Sister Mei gave him a blank look and had to sit down.

Li Ji in the distance saw it in his eyes, feeling ashamed and angry in his heart.

Judging from the present, Ding Yi not only has people, but also has money, which is difficult.

Li Ji is also considered the second generation of officials, and his family is quite rich.

But Ding Yi's background is not small, and he also took care of Tian Qianhu who he had originally taken care of. From Li Ji's point of view, the people behind Ding Yi are no worse than his father.

The point is, his father will retire in just over a month, and when he is in the officialdom, he will often be left alone. This Ding Yi is not easy to mess with.

At the end of the class in the evening, Ding Yi invited them to dinner in the dormitory, and his own dormitory also invited them all.

But Mao Guoying actually said that he didn't have time. When he was talking, Mao Guoying looked at Li Ji from a distance.

Ding Yi immediately understood that Mao Guoying thought that Ding Yi had offended Li Ji, and he didn't want to get too close to Ding Yi.

Others in the dormitory also followed Mao Guoying, and they seemed to be afraid of Li Ji.

Because Li Ji brought people to check the post yesterday night, everyone already knew that it was targeting Ding Yi.

In the end, there were six people in the dormitory, only Xu Bin and Chen Ke from Yiwu were willing to have dinner with Ding Yi.

After leaving the classroom, Xu Bin spat on the ground: "Hey, what are they afraid of? Li Ji can't control us, so he's afraid of something."

Chen Ke also said: "He is just a squad leader by name, and when he leaves the training base, what a fart Li is."

Ding Yi smiled and patted the two of them on the shoulders: "Forget it, everyone has their own ambitions, and Li Ji's father is the governor, so it's normal for everyone to be jealous."

"Yonghe Hall, if you can come to eat once in your life, it's worth dying." Xu Bin laughed.

Ding Yi stared and said, "Is that an exaggeration?"

"You haven't been here?" Xu Bin also stared at him: "I thought you were here?"

Chen Ke's face changed slightly: "I heard that a meal costs at least a thousand dollars, maybe a few thousand dollars."

"So expensive?" Ding Yi also changed his expression, no wonder the female brocades were all happy to come.

At this time, the per capita salary is only two to three hundred, and more than 1000 is half a year's salary. If the dishes are good, it will cost several thousand yuan, which is not enough for the whole year.

"Why don't we change places?" Xu Bin asked.

"Change hair, fight for the beauty." Ding Yi shouted.

The reason why the Lama Temple is so expensive is that it was founded after the retirement of the royal chef of the Dagan Palace, and the chefs of all generations were retired imperial chefs.

All the raw materials in it are as fresh as possible, and there are high-end ingredients from all over the country. Only you can't think of it, and there is nothing you can't eat.

Yonghe Restaurant specializes in Chinese food, but if you want to eat steak, you can also have it.

Although the Yonghe Pavilion is so expensive, his business is quite good, and sometimes there is no place when he goes there late. After Ding Yi heard about it, he went out after class.

He took Guan Xu Bin and the two to the Yonghe Pavilion before five o'clock. After asking, he found that there was only the last one in the box for ten people. Fortunately, he came quickly. Ding Yi asked for the phone number here, and he can make reservations by phone in the future without running away. Come.

After booking the box, he made a call to Song Pian's dormitory. Several female brocades were still in the dormitory, and they said they would arrive before six o'clock.

The three of them waited in the box when they had nothing to do. Xu Bin suggested playing cards, but Chen Ke shook his head and refused to play. Then he actually took out a book from his arms and looked down at it.

Let me go, Ding Yi saw Jin Yiwei so serious for the first time: "Chen Ke, are you preparing for the imperial examination?"

"No, hobbies, professional hobbies."

Xu Bin said: "Don't underestimate him, a graduate of the Royal University of Beijing, majoring in electronics."

"Hold the grass." Ding Yi swears, but Chen Ke smiles awkwardly: "It's nothing, it's nothing."

Jingcheng Emperor University is equivalent to Tsinghua University and Peking University in later generations. The most important thing now is Jingcheng Royal University, which was also founded by Ding Yi.

When Ding Yi founded the school, there were only more than 1000 people and dozens of teachers in the whole school.

Now after more than 100 years of development, the school has more than 6 students and thousands of teachers, ranking first in China and third in the world.

Different from later generations, under the leadership of Ding Yi, the Royal University was the first to perfect various disciplines, and also had the strongest physics, chemistry, electronics and other majors in the world at that time.

At present, there are more than 1 international students in Royal Schools from all over the world.

Chen Ke is the same as Ding Yi in this life. His ancestors had troubles in the era of Dagan Taizu, so he could not take the imperial examination.

So after he finished his undergraduate degree, he did not go to graduate school. Originally, the school arranged for him to go to the UK to continue his studies.

Because he is good at electronics, Jin Yiwei was specially recruited into the team, mainly in charge of walkie-talkie and communication.

Ding Yi took his book and read it: "Radio Communication and Electromagnetic Induction".

Xu Bin said: "Don't look at it, you don't understand it at all, this guy is too much, I don't know what he is studying."

Chen Ke chuckled, with a smug expression on his face.

Ding Yi looked at the title of the book, opened it and took a few glances, but he really couldn’t understand it. He was also considered a strange person who traveled twice, and there were still books he couldn’t understand. Of course, he didn’t study this major, but who was he? ah?
He is the emperor Ding Yi, the omnipotent Lord Lushun Ding.

"What are you studying? Communication?"

Chen Ke thought for a while: "I don't know how to tell you, Ding Yi, you are right, it is a kind of communication."

"We use a walkie-talkie to talk now, but the distance is limited, so the major I studied in college can combine wireless communication with electromagnetic induction to make the call distance longer."

"In the 8th year of Dagan Xuanping (1726), Shen Yishan, a professor at Royal University, and British physicist Faschi discovered electromagnetic induction, which laid the foundation for the development of our Dagan telegraph."

Chen Ke didn't say anything, and Ding Yi didn't know either. It turns out that Dagan already has a mobile phone, but it is called a mobile phone now, but it is not for civilian use.

In the original time and space, in 1831, Faraday of the United Kingdom discovered the phenomenon of electromagnetic induction, and 100 years later (1940), the first mobile phone was invented by Bell Laboratories in the beautiful country, but the local volume was too large and it was not convenient to move. Fits on a laboratory shelf.

Until six years later, that is, in 1946, the mobile phone was installed on the car, and on the moving car, the world's first mobile phone was played.

In 1957, engineer Leonid Kuprijanovich invented the ЛК-1 mobile phone, which reduced the equipment from three kilograms to one kilogram. At this time, it is already possible to call any fixed phone, and the acceptance range is within 60 S reached 200 km.

In 1973, Martin Cooper of Motorola invented the world's first official mobile phone, the so-called Big Brother.

In China, it was not until 1987, that is, more than ten years later, that Guangdong took the lead in building a 900MHz analog mobile phone.Motorola also set up an office in Jingshi to sell mobile phones.This heavyweight mobile phone is thick and bulky, shaped like a black brick, and weighs more than one catty.It has no other functions except making calls, and the call quality is not clear and stable enough, and I often have to shout.Its large battery lasts only 30 minutes of talk time on a charge.Even so, Big Brother is still in short supply and money is hard to come by.At that time, the public price of Big Brother was around 20000 yuan, but it usually cost 25000 yuan to buy it. The black market price was as high as 5 yuan.This not only discourages ordinary people, but also not many small and medium-sized enterprises can afford it.

This is the history of the development of mobile phones in the original time and space, and in this time and space, because Ding Yi’s Royal University was built early and well done, electromagnetic induction was invented 100 years in advance.

And completed the construction of the national telephone and telegraph 50 years ago, and then in the past 50 years, the Royal University and the Royal Academy of Sciences have jointly researched mobile phones.

Eight years ago, when Chen Ke was still in school, he saw a battlefield mobile phone in the school.

This kind of mobile phone is very similar to the one invented by Bell Labs. It is relatively large and the communication distance is about [-] kilometers.

Dagan is now only popularized in the army, and the civil and social aspects are not mentioned at all.

In the Dagan army, there is only one for each battalion, and it needs to be mounted on a car, otherwise it will be too heavy.

Chen Ke is researching this direction at school, hoping to make mobile phones smaller and smaller, and the communication distance larger and larger.

I heard that the communication distance is close to unlimited now, that is, as long as the local 900MHz signal is established, you can call any landline or the same mobile phone.

The reason why it is not popular is that it is too large and has a higher success.

"How much does one weigh now? How much does it cost to build one?" Ding Yi asked at this time.

Chen Kedao: "My classmate stayed at the school as a teacher. It is said that one weighs three kilograms now, and the cost of mobile phones is not high. The high cost is the construction cost of the signal tower."

"They have estimated that the minimum selling price for each unit is more than 1 yuan. Not many people can afford it, and it is so heavy, so it has not been promoted yet."

The current 1 yuan is worth more than the 90 yuan in the original space-time 1s, so if this price is promoted, not many people will be able to afford it.

Hearing this, Ding Yi said in a deep voice: "The most important thing is to compress the size of the battery. As long as the battery is made smaller, the mobile phone can be made smaller."

"Yeah, you understand Ding Yi too?" Chen Ke looked incredulous.

Xu Bin couldn't believe it even more. Ding Yi seemed to be able to say a few words no matter what others said, as if he understood everything.

"Is there a cellular mobile phone network now?" Ding Yi asked suddenly.

"Yes, Europe opened the first cellular mobile phone network last year." Chen Ke was even more shocked. He had a classmate who only knew about it at the Royal University, but Ding Yi didn't expect to know about it too.

"GSM (Mobile Communications Task Force) was also established in Europe last year." Chen Kechang sighed: "Our Royal University was the first to study this aspect, but now it has been left behind by the Europeans."

Ding Yi said in surprise: "It's not far from the mobile phone."

With all these, it is not far from the birth of the Big Brother.

He suddenly thought of another question, mobile phones have developed to this point, then?
"Does the Royal University have computers?"

"..." Chen Ke didn't seem to understand.

"Computer, computer, is there any?"

"Yes, we invented the world's first computer."

Ding Yi looked excited, and asked again: "A tube digital machine, or a transistor digital machine?"

"Now it's an integrated circuit digital machine, and what you're talking about is ten years ago."

"Large scale, VLSI, or small and medium scale?" Ding Yi asked again.

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