Countercurrent 1982

Chapter 1635 GPS Navigation
In fact, like couples in ordinary families, Duan Yun and his wife Cheng Qingyan don't have much passion in their relationship life now.

This is not to say that the two have no relationship, in fact, the relationship between the two is still very deep, but after having a child, Cheng Qingyan only transfers most of her thoughts and family life to the child, and the same is true for Duan Yun, What he wants to see most after get off work every day is his children, but the conversation with his wife is getting less and less.

From passionate love to marriage, to passionate passion, and then everything starts to return to normal, which is also the real normal state of life.

It's just that compared to ordinary families, the two don't have to worry about daily necessities, there is no financial pressure, and the basic necessities of life are the best. From this point of view, Duan Yun and his wife live a relatively happy life, but they are not as happy as before. passion.

That night, the two chatted about some business matters before returning to their room to rest.

In the early morning of the second day, Wu Zhenglong bid farewell to this family member and returned to the guest house of the municipal government. Next, he will return to BJ with the leaders.

As for Duan Fang, in the next two days, she has to settle the work of the R&D center first. After the company's affairs are completed, she will also fly to BJ, and then go to see his parents with Wu Zhenglong.

At that time, Duan Yun will also arrange several staff members of the company to accompany Duan Fang to BJ. After all, the Duan family is very popular now, and safety will always be the first priority.

Fast forward to the beginning of August.

At this time, Duan Yun received a call from the SY city government. The caller was Liu Donghai. On the phone, Liu Donghai informed that the Volvo enterprise delegation had arrived in Shenyang and was visiting the Jinbei Automobile Factory. Volvo held a high-level reception, and the two parties are discussing related cooperation matters.

Hearing this news, Duan Yun was also very happy, because the cooperation with Volvo is a very important step for Duan Yun's future layout. Whether he can make a difference in the automobile industry depends on the results of Volvo's visit to China.

According to the result of his previous discussion with the president of Volvo, after they finished their investigation in Shenyang, they would go to Shenzhen, and Duan Yunhui would welcome them as the host.

Duan Yun started his career in the electronics industry, so if he cooperates with Volvo, he will promote its digital car technology and use his advantages in the microelectronics industry to produce digital car products that are ahead of this era.

But in fact, judging from the current development of the international electronics industry, it is impossible for Duan Yun to develop and produce digital cars of the future in the short term.

The so-called digital car in Duan Yun's conception originally included car DVD, car MP3 and car GPS technology, in addition to automatic adjustment of engine power, automatic fuel consumption display and other technologies, the driver can control the car through the computer screen. most functions.

In fact, Duan Yun’s car digitalization concept still has a certain gap compared with the real car digitalization of later generations. With the popularization and development of the Internet, later generations will have more complex functions, including in-vehicle Internet, automatic navigation, AI big data, and automatic driving, etc. Wait.

However, based on the current technology, it is still unrealistic to achieve such a high degree of digitalization in cars. At least the current level of Internet technology in the world is not high, and there is no Internet network such as 3G4G. The realization of in-vehicle Internet will be at least a few years away. , are impossible to achieve.

Although the current Internet technology is not enough to support the digitalization of cars, the world's first car with a navigation system was invented in 1, and it was Honda who invented this system.

This car navigation system does not use GPS positioning. The principle it uses looks more like the inertial navigation system that fighter jets are still using during the Cold War.

In fact, the idea of ​​this system is very simple. You must know where you are at the beginning, and then the system will record the walking route according to your actions, so as to infer the location after walking for a period of time.The principle used by the sensor is a set of helium injection system, which can judge whether the car is turning left or right and the magnitude of the steering through the left and right movement of the car. This is actually the principle of the early gyroscope.

It is worth noting that the color TVs at that time were not cheap. It was a fantastic idea to shrink them down and move them to a car with a built-in memory to carry a map, but Honda engineers did click on this technology tree. They put the map It is drawn on a piece of transparent plastic. When you buy a navigation system, you will be given a large transparent map book. All you have to do is to mark your location on the black and white display before driving, and then overlap it with the transparent map .

Drivers should not expect to see their own future direction on this map at all. It is necessary to know that this invention occurred in the 80s, before GPS satellites were launched.

The real car navigator is a set of complete car navigation system including hardware equipment, electronic map and navigation software.

By 1985, the GPS receiver LN-700 used by Chrysler was the world's first GPS car navigator, and it had a mobile electronic map. This was the prototype of the modern car navigator.

Simply put, a car navigator is a car driving assistance device that can help users accurately locate the current location, calculate the itinerary according to the established destination, and guide the user to the destination through map display and voice prompts.

A complete GPS car navigator is composed of 10 main parts: chip, antenna, processor, memory, display, speaker, key, expansion function slot, electronic map, and navigation software.

The Chrysler GPS receiver LN-700 uses an Intel 8088 microprocessor and a tape drive.

Cassette tapes cannot store a large amount of information. In the Los Angeles area alone, 4 tapes are required, and the use of navigation requires frequent replacement of tapes. Etak has address geocoding, which converts addresses into latitude/longitude, and the system supports self-correction. At $1500, the Etak Navigator is less expensive than the Honda gyroscope, but still not worth the money.

By 1987, Japan had given the automotive world two vague but important advances in navigation technology.The Toyota Crown sedan was first equipped with a dead reckoning navigation system with a built-in CD-ROM, and was equipped with a color display for the first time. These attempts in the 80s were still unsatisfactory in terms of navigation accuracy.

Duan Yun now has a lot of patents in the microelectronics industry, which allows him to have enough technical accumulation to carry out the research and development of a new generation of car GPS navigation system.

(End of this chapter)