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"So what is the difference between Qiankunbian's touch screen technology and Sony's PSP's touch screen technology?" another reporter asked.

"Of course, if Duoju Liangjun didn't lie to me at the press conference, their handheld machine used resistive touch technology, then there would be a big difference, because we use capacitive touch technology!" Boss Jia said with a smile.

"What! Capacitive touch technology! This is impossible!" Ken Ryogi's face changed drastically. Since PSP uses touch screen technology, Ken Ryogi will definitely have an in-depth understanding of touch screen technology. So Ken Ryogi knows very clearly that there are currently 4 mainstream touch screen technology, namely infrared touch screen, sound wave touch screen, resistive touch screen and capacitive touch screen.

Although the technology of the first two is mature, the upper limit is very low and cannot be used on the handheld machine. Only the resistive touch screen and capacitive touch screen can be installed on the handheld machine.

However, the technical difficulty of capacitive touch screens is too high. Although relevant technical ideas have been proposed long ago and there are certain products, the user experience is very bad.

According to How Kuroki's investigation, if you want to actually use a capacitive touch screen, you have to wait until after 2010. How could Daqian launch available capacitive touch screens in 2001?

Could it be that Daqian really invested heavily in the research and development of capacitor touch screens 8 years ago?

How soon, a few drops of sweat suddenly appeared on Ken Ryogi's forehead. At this time, the incidental reporter did not seem to be planning to let Boss Jia go, but then asked, "Mr. Jia, what is the difference between a resistive touch screen and a capacitive touch screen?"

"It's hard for me to answer this question!" Boss Jia pondered for a while and said, "First of all, it's naturally the difference in technology, but it's difficult to explain the details clearly for a while. If you are interested, you can go back and check the information. These technologies can be found publicly."

"There is still a little difference in actual experience, but it is not obvious to me alone. At least there can be a reference!" Boss Jia said here, with a smile on his lips, glanced around the audience, and then looked at how long Ryogi Ken smiled, "How long Ryoguchi, don't you know your PSP can be brought with you?"

"..." Howuji Ken Ryogi didn't expect that Boss Jia would ask himself, this was not notified in advance. Howuji Ken Ryogi had a cold sweat and then began to crazily plot against Boss Jia's words deep in his heart.

"Since Jia Yapeng dares to ask me directly whether I have brought it with me, he must be confident that his capacitance screen technology can surpass my resistive screen. In fact, if the capacitance screen technology is really mature, then the resistive screen will be really..." Duojue Ryogi made a round of thoughts and made the most correct decision and said, "Mr. Jia, I am very sorry, for the sake of technical safety, I cannot wear our important products on my body at any time!"

"Is that so? That's a very regretful!" Boss Jia shook his head, letting Ken Ryogi breathe a sigh of relief, but the next second, Boss Jia smiled and said, "But it doesn't matter. I remember that we have a friend who also launched a touch screen phone last year, and it happened to be using resistive touch screen technology. We can compare it today!"

Then Boss Jia's secretary brought out a small flip phone.

Although the trademark position of this phone was stuck with a thick piece of tape, it was impossible to see the brand of this phone.

But a reporter who knew about mobile phones immediately recognized the origin of this mobile phone in the first glance.

"It's Motorola's a6188!" The reporter exclaimed, and the reporters around him showed a sudden enlightenment.

In 2000, because Daqian mobile phone cameras were the only one in the world, many mobile phone companies were unable to compete and could not take out their phones to take photos.

So many mobile phone companies decided to take a different approach and create a mobile phone with other gimmicks. Then Motorola's touch screen mobile phone a6188 was born. This is the world's first mobile phone with touch color screen function, and it also uses resistive touch screen technology.

When it was launched, it was really sought after by many users, but due to production issues, the sales volume has not been too much.

"This phone uses resistive touch screen technology. Because it is insensitive to fingers, its competitors have prepared a pen for us very considerately!" Boss Jia smiled slightly, and then pulled out a plastic pen from the side of the phone.

In fact, when Boss Jia first saw this plastic pen, he was still very moved in his heart, because since 2000, touch screen mobile phones were promoted globally, it took about ten years. The standard configuration of any touch screen mobile phone is to bring a touch pen.

Of course, many people born in the 2000s may not know these things at all, and it is even more impossible for people born in the 2000s to know.

However, after seeing this, I believe that many readers' memories still emerged, and then shouted in their hearts, "Ye Qing returns!"

Boss Jia remembers that the first time he saw that he could take out a pen on the side of his phone and then write and draw directly on the screen of the phone. He was shocked by the shape of the pen. This kind of phone comes with a pen and can also write on the screen with a pen. It is so domineering.

Until the promotion of smartphones, all touch screen phones and products with pens seemed to disappear overnight, making people sigh at the regression of the times. Now they just use their fingers to write on the screen, which is really not high-tech!

But in fact, being able to write on the screen with your fingers is the real progress of touch screens.

Because anyone who writes with a plastic pen is a resistor screen, because the resistor screen is not sensitive to the reaction of the fingers, it will be very inconvenient to use the fingers and it is also very easy to write typos.

I believe many people still remember that in that era, if you had to use your fingers to write, you had to use your nail tip to pass through the screen, because only in this way can you write words that can be recognized by the system.

In the era of capacitive screens, these have been changed because capacitive screens are very sensitive to finger recognition, so users can directly write with their fingers, so naturally there is no plastic pen.

Of course, some people may refute that writing with a plastic pen looks more elegant and more stylish, and using fingers is a regression of the times.

Moreover, the plastic pen can be inserted directly into the phone, and does not occupy other space at all, which is very convenient.

Well, this idea cannot be said to be wrong, but it doesn’t matter. Next, our Boss Jia’s demonstration can solve everyone’s questions.