Under the introduction of Zheng Fuguang, Zhu Jingyuan carefully observed the fax machine of dot matrix imaging.

Then I went to look at another important invention - the negative feedback triode signal amplifier.

In layman's terms, it is a tube amplifier, which was called a "gall machine" in the music circle in later generations.

Of course, playing music is retro, and Zhu Jingyuan is creating it now.

Before amplifiers appeared, telephones and phonographs already had speakers.

But they are all directly driven by the sound source signal, and there is no signal amplification process, so the sound cannot be very large.

It's like a passive speaker plugged directly into the headphone jack of a computer or mobile phone.

You can make a telephone handset, but you can't make a loudspeaker broadcast.

At present, all the places in the world that need to shout are still shouted by loud people.

At most, an iron horn is added, and through physical action, the sound is emitted in a directional manner to increase the volume in the target direction.

With the power amplifier, it is different, and it can continue to shout in a large area without stopping.

And it is also an important piece of equipment needed to show movies publicly.

"Lattice" is a future-oriented technology and design, and it is the basic technology in information dissemination and recording, so the current performance is not very intuitive and strong.

The signal amplifier is the technology at the end of the information transmission, and the display is very intuitive and revolutionary.

Zhu Jingyuan stood in front of a workbench, looking at a brand-new microphone in front of him, and then at two large, specially made loudspeakers placed on the other side of the room.

Zheng Fuguang checked the equipment and energized the speaker and microphone.

"W-"

The typical noise of the old-fashioned stereo in Zhu Jingyuan's impression of his previous life sounded, which made Zhu Jingyuan feel that this design should be fine.

After all, the power amplifier and large amplifier that have just been made are not a matter of popping when they are turned on.

The loud bang means that the horn is loud enough.

After the noise lowered the acceptable level, Zhu Jingyuan also brewed his emotions and began to recite poems into the microphone:

"The wind and rain send spring back, and the snow welcomes spring.

"It's already a cliff full of ice, and there are still pretty flowers.

"Pretty doesn't compete for spring, only reports spring.

"When the mountains are full of flowers, she laughs in the bushes."

The two horns vibrated with Zhu Jingyuan's voice, and a surging and huge sound was heard.

Compared with the high-end audio of later generations, the noise and noise floor of this thing are a bit big, but it is already acceptable.

Zhu Jingyuan himself was quite satisfied, and directly instructed on the spot:

"Okay, this thing is very important, if there is no problem, we can quickly mass produce it.

"Yamen and Yaxing in various places, as well as on newly built large warships, especially aircraft carriers, can be used.

"It's too wasteful of manpower to arrange a group of strong men to be in charge of shouting."

The craftsmen led by Zheng Fuguang immediately nodded solemnly and agreed:

"Understood...... Your Highness rest assured......"

The huge role and great potential of the power amplifier may not be seen by craftsmen, but they can already realize its importance.

That would affect the military, administration, education, art, culture, propaganda, and so on, and I don't know how many epoch-making super inventions.

Ships and armies gather people, deliver public orders, broadcast announcements at yamen and yahang, and play music in mass spaces.

Turning newspaper content into audio recordings and broadcasting them directly through loudspeakers is a new form of media.

In special areas, it is also possible to make targeted shouts against the enemy and hostile forces, and the prepared sound can be played in a continuous loop.

Zhu Jingyuan stayed in the laboratory for a whole day, continuing to observe and inspect the two new equipment.

Write down all the problems you can think of, and all possible improvements and optimization directions.

Let Zheng Fuguang sort it out and send it back to the Ministry of Industry and the factory of Daming Airlines.

When Zhu Jingyuan left, Zheng Fuguang couldn't help but ask his companions beside him:

His Highness read the poem at that time...... Does anyone remember? Do I really feel so strange? ”

A group of craftsmen were all at a loss, and they all shook their heads to say that they hadn't heard of it at all, and then someone said:

"Is there a possibility that the words that His Highness read at that time were written by His Highness himself?"

The scene immediately fell silent, confirming that he had never seen the song at all, and then savored it in his heart.

There are many poems by Yongmei, but the angle of this poem is very peculiar and connotative.

After the Renwu Dynasty, the Ming Dynasty established a relatively standard collective school education, and the content of education also shifted to natural science.

However, the traditional Chinese curriculum is still very important, far more than Zhu Jingyuan's previous life.

In all kinds of examinations, the proportion of Chinese is basically about 40%.

Since there is no foreign language, the proportion of other courses is similar to that of Zhu Jingyuan's previous life.

Most of the students who graduated from regular middle school could recite poetry and write lyrics, and college students were not much different from the traditional literati in the past.

But being able to write poetry and writing good poetry are completely different concepts.

Zhu Jingyuan had never shown that he had the ability to do so before.

Today's inadvertent performance has made the craftsmen a little extraordinary.

Zhu Jingyuan himself was not ready to be a copyist, so he just found the first word to read at random.

I forgot the age of the poems, and after opening my mouth, I simply finished reading them.

I went back to my room, had dinner with my mother and two concubines, and the next day began to study typewriters and computers.

Zhu Jingyuan himself knew in his heart that there was actually a demand for Chinese typewriters.

With the deepening of industrialization, the pace of society is getting faster and faster, and there are more and more jobs related to words.

The scope of use of purely transactional words is getting larger and larger, and the proportion of artistic and literary words is getting smaller and smaller.

Correspondingly, there will be a growing demand for flexible printing.

Chinese typewriters actually exist now, and that kind of thing is similar to the Shu typewriters that appeared in history.

It's just a simplified movable type printing machine, which needs to be manually pressed word by word.

For the time being, there are basically not many people using it, and the official documents of the Ming Dynasty are still mainly copied.

Of course, Zhu Jingyuan didn't want to design this kind of typewriter.

Zhu Jingyuan stopped in the laboratory for most of the day, returned to his room in the afternoon, and began to write his own design plan.

The Chinese character typewriter is logically very different from the letter typewriter, but there are some things that can be learned.

Tessie's letter typewriter was originally unable to switch case and case.

There are a total of two sets of letter keys on a large typewriter, one uppercase and one lowercase.

Only one type of letter can be typed on a small, lightweight device.

Later, someone invented a switching device, as well as a caps locking device, to type two letters with the same letter key.

In fact, a two-letter pattern was made on a metal sheet with a staggered position.

All the keys of a Chinese typewriter may have to be switched keys.

It is no longer possible to hit the paper with a hammer.

Flat side-by-side hammers have a limited number of hammers and are not destined to be able to type at least a few thousand Chinese characters.

The structure of the Chinese character typewriter must be three-dimensional.

A three-dimensional mechanical database should be able to hold at least thousands of commonly used Chinese characters.

At the same time, a reasonable search scheme is compiled and linked to the keys.

The required kanji is filtered out by pressing a button to drive the mechanical database, or by an auxiliary electric drive.

Press the paper in turn onto the sifted typeface.

And so on and so forth.

The key points in making this thing are two.

One is a mechanical Chinese character database that contains a total of nearly thousands of standard Chinese characters.

This design can refer to the design of Lin Yutang.

Historically, Lin Yutang painstakingly designed a rather dexterous Chinese typewriter.

However, due to various reasons such as social environment, cost, and manufacturing difficulty, it did not become popular in the end.

However, the design idea was inherited by the Americans, and a similar design was adopted in the early computer output of Chinese characters.

The mechanical font can be made into a three-layer drum structure.

A large hexagonal drum with a hexagonal medium drum on each side, and six small rollers on each middle roller.

Each small roller has eight faces, and each side has a row of about thirty-two Chinese characters.

However, the operation method has to be changed, because Lin Yutang's machine has too many buttons, sixty-four structural buttons, plus eight number buttons for word selection, a total of seventy-two.

Zhu Jingyuan's current design should take into account the rationality of the general layout of computer keyboards in the subsequent electronic computer era.

It is best to reduce the number of basic buttons by half, to about thirty-two, and no more than forty number keys.

However, there is no need to be confined to three keys out of one word, and can be relaxed to the standard of four keys out of one word.

Press the first button to rotate the corresponding large drum and find the specified medium roller.

Press the second button to rotate the corresponding medium drum and find the specified small roller.

Press the third button to move the tray and align it with the position of the words on the small roller.

Press the fourth button, rotate the small roller, and press down on the final word.

Such a combination can hold more than 9,000 Chinese characters.

If it is not enough in actual use, the number of large and medium rollers can also be increased to eight.

That would have more than 16,000 Chinese characters.

The second key point is how to arrange and screen the words to use.

To some extent, this problem is to make an "input method" program with a mechanical structure.

In order to reduce the repetition rate,This input method can only use the shape code,The best reference scheme is the Wubi input method。

The Wubi input method is called Wubi, in fact, each word can be typed on the keyboard up to four times.

In fact, the most important reason is that Zhu Jingyuan still has a little impression of the five strokes he has specially learned, and knows how to make up the roots.

I basically didn't understand other code input methods.

The design logic of the Wubi input method, Zhu Jingyuan probably still remembers it in his mind.

Although he doesn't completely remember all the roots and rules, Zhu Jingyuan doesn't need to restore them himself.

I have the most powerful helper in the world.

I only need to roughly describe the logic and direction, so that the craftsmen of the Ministry of Engineering can complete the production of the equipment.

Let the masters of the Ministry of Rites sort out and standardize the Chinese characters, do a good job of arranging and screening the font library, and sort out the root list.

But even this design logic can't be written in a day or two.

The key is to design an electric drive structure for this typewriter.

Let the typewriter be made to manually type, or it can be made to automatically type through the input signal.

Again, this is a complex piece of mechanical engineering.

The whole device can be more complicated than a mechanical clock.

The failure rate and yield rate of this thing in the early stage will definitely be on the verge of getting out of control, and the early production cost will definitely be very high.

Lin Yutang's typewriter in history cost a total of 120,000 US dollars to build.

That's twenty to thirty years of wages for American workers during the interwar period, and they were able to buy two P51 Mustang fighters.

As a result, during the first public presentation, it malfunctioned in front of potential investment companies.

It took more than an hour to repair the site, and as a result, no one invested, and in the end, there was no chance to go on sale.

Although Lin Yutang may have counted all the expenses of tossing a typewriter for thirty years, the cost still seems very high.

Zhu Jingyuan basically skipped the groping process, and could directly try to make finished products, and the total cost would definitely be greatly reduced.

But early costs can still soar to the level of a car.

But Zhu Jingyuan didn't care.

The biggest difference between Zhu Jingyuan and Lin Yutang is not that he is a traverser, but that he is rich and powerful.

The richest prince of the Ming Dynasty and the second richest man in the world, he can push this thing to maturity with his own pocket.

In fact, in the year after Lin Yutang's demonstration failed, IBM came up with a more simplified, more coarse, and forcibly memorized all Chinese character codes, but the failure rate was lower, and it was barely usable.

IBM has found a team to spread the word throughout the country.

The typewriter that Lin Yutang had used for decades to build, although it was more sophisticated, had frequent failures, and it was impossible to get an investment in this situation.

But that won't happen to Zhu Jingyuan.