Chapter 46 This feeling, I love it, I love it
Anything related to electricity with a little bit of technical content is really rare in this era.
my country's first teletype machine was the BD055 mechanical teletype machine that was successfully trial-produced in 1956. It was produced until the end of the 1980s. The total output in more than 30 years was only more than 34,000 units, with an annual average of only 1,000 units. about.
At this time, teletype machines were even more precious and were mainly used in the telecommunications sector.
So Gao Zhendong kept looking around until the afternoon, not to mention a teletypewriter, not even an ordinary typewriter.
Lou Xiao'e has been following Gao Zhendong with great interest. She doesn't mean to be impatient at all, but seems to find it quite fun.
Seeing Gao Zhendong searching around, but never seemed to find what he wanted, Lou Xiao'e couldn't bear it and asked him: "Zhendong, what are you looking for? Tell me, maybe I know, I'm an old man People from Sijiucheng."
Gao Zhendong organized his language and told her what he was looking for in as simple and clear a manner as possible.
Lou Xiao'e thought for a while, her eyes lit up: "I don't know the teletypewriter you are talking about, but I have an ordinary typewriter at home. It used to be used by my father's secretary, but later my father no longer needed a secretary. It’s useless to just leave it at home. Can you use it?”
Gao Zhendong thought, there is a way!
You can modify an ordinary typewriter so that each key turns on a contact when pressed. Combined with a 3-8 decoder built using transistors and a keyboard scanning circuit commonly used in previous lives, you can create a keyboard.
Although ordinary typewriters have far fewer keys than ordinary keyboards used in previous generations, they are basically enough if they mainly use English letters and numbers for programming.
It is easy to modify the circuit part by yourself, but you are not familiar with the mechanical part. Master Yi Zhonghai, an eighth-level fitter in the yard, is not just talking about it. Just tell him the request, and he will do this simple mechanical modification. It's easy.
If this is the case, the mechanical connection of the typing part will be completely destroyed, indicating that there is no other way to do it.
When Gao Zhendong thought of this, he was overjoyed. He took Lou Xiao'e's hand and shook it hard a few times: "Xiao'e, you have helped me a lot, haha."
Lou Xiao'e blushed, but did not take her hand out. She was concerned about another question: "Then you can type words into the computer you mentioned, but what about the output you mentioned?"
Gao Zhendong had thought about this problem just now. He was going to see if he could get a TV, convert the output signal of the transistor computer, and connect it directly to the TV.
At this time, TV sets were already available in China. On March 17, 1958, the 712 Factory in the next city produced the Model 820 35 cm black and white TV.
Although the resolution of TV sets at this time was not high, with only about 400 lines, which is roughly equivalent to a resolution of 320*240, but again, as long as it is used for pure calculation, this is not a problem.
But it's still the same old problem. It's not easy to find this thing. If it doesn't work, finding a TV picture tube (CRT tube) is also a solution.
You can even take a step back and get an oscilloscope or a picture tube of an oscilloscope. In his previous life, Gao Zhendong tried to turn on the X-Y trigger mode on an old oscilloscope, and then controlled the output of simple characters and graphics, which worked fine.
In fact, there is a TV in the system, which comes from the supermarket where I worked in my previous life, but the old problem cannot be solved, source.
The 712 factory mentioned above had an initial production cost of thousands of yuan, but the selling price was quite cheap, regardless of profit and loss. The prescribed selling price was: 430 yuan. It was produced until 1970, with a total output of more than 39,000 units, with an average annual output of only 39,000 yuan. There are more than 3,000 units, so you can imagine how difficult it is to buy one.
Gao Zhendong thought, if it doesn’t work, Lao Chen and the teacher would shamelessly look around to see if they can get a TV ticket. If it doesn’t work, then consider mentioning it in the system. Gao Zhendong didn't hide anything. He told Lou Xiao'e everything about his thoughts, except for the parts he couldn't say, and treated it as a chat.
Lou Xiao'e listened with great interest. She couldn't understand many things, but in her opinion, when Gao Zhendong talked about these, his whole person seemed to be glowing.
After hearing this, Lou Xiao'e laughed: "Zhendong, I have a TV at home~~~~."
Gao Zhendong thought about it, too, as the former major shareholder of the third rolling mill, This is produced in the city next door, and it has been in production for more than a year now. It is not surprising that her family has one, and it may even be imported.
However, Gao Zhendong did not agree to this matter. This thing was different from the abandoned typewriter, which was a bit excessive.
Seeing that Gao Zhendong didn't respond, Lou Xiao'e's face changed a little: "Zhendong, you should know that my family's background is a bit high. Is this what you care about?"
This was a bit of a showdown. Gao Zhendong smiled and grabbed Lou Xiao'e's hand: "I've thought too much about you. Your family has a high profile. I knew from the beginning that you could accurately place the needle on Dvořák's "Renewal". How low can the people at the beginning of the second movement of "The World" be?"
Finding a reason for his prediction, Gao Zhendong continued: "I don't care about that thing, since you said it here. Okay, Xiao'e, I won't talk in circles anymore. If you are willing to be with me, then we will be together. I will try my best to handle this matter in your family. I have some ideas and methods, but there is still one step to take. Let's take a walk and see if it can be realized."
Lou Xiao'e raised her head: "Then why are you not interested in my TV? Isn't this very important to you?"
Photographed by Gao Zhendong? Patting her hand: "This thing is a bit too valuable. If I take it so easily, its nature will change. I will think of other ways first, but I can promise that if I really can't think of a way, I will ask you. , okay? Don’t worry, business is the most important thing, I won’t lose face.”
Lou Xiaoe was happy when she heard Gao Zhendong say this: “That’s a deal!”
Gao Zhendong nodded: "It's a deal!"
Lou Xiao'e looked at her watch with a smile: "Then I will find someone to send the typewriter to your place tomorrow night. Now that everything is done, we Find a place to eat and just deal with it at noon. Are you starving to death?”
The typewriter has long legs and flew here by itself. Is this the feeling of eating soft rice? Gao Zhendong loves it.
Gao Zhendong shook his head: "No, I made an appointment with my friend today to go to his house for dinner, you go with me."
This is to introduce myself to his friend After meeting each other, Lou Xiao'e felt happy: "It's not good for me to come in empty-handed. Let's go buy some gifts."
Gao Zhendong told Lou Xiaoe that there was no need to buy it, as he was one of his own, so there was no need to be so particular.
However, Lou Xiaoe still insisted on bringing gifts. In her opinion, this was very important. The close relationship between Gao Zhendong and his friends did not mean that she could be rude.
Gao Zhendong also understood her thoughts. Seeing her persistence, he followed her thoughts. The two bought some gifts and walked to Wang Dezhu's house.
(End of this chapter)