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What's the best handwriting board for urgent use?
If you are not familiar with the keyboard and want to enter text, if you want to make a personalized signature after the email, if you want to splash ink on the computer, then choose the handwriting board.

At present, there are many brands of handwriting boards in the market, with different functions and greater price differences. We will analyze and introduce various grades of handwriting boards for you, so that you can have a more comprehensive understanding of handwriting boards.

Before introducing the tablet, let's learn about the tablet technology. There are three kinds of handwriting board technology. The first is the resistive tablet technology, which is more common in the early days of the tablet. The surface of the handwriting board based on this technology is composed of two resistive films, in which the upper resistive film can be slightly deformed and the lower resistive film is fixed. The stylus contacts the upper resistive film and deforms it, and then contacts the lower resistive film, so that the position of the stylus can be judged. This kind of flat plate has simple working principle and low cost. However, because the tablet computer can correctly judge by sensing the deformation of the film, the user must exert great force when using it, which will make the user feel tired and have a great impact on the life of the tablet computer. So now this kind of flat plate is rare.

The second is the capacitor plate technology. The working principle of capacitive tablet is basically the same as that of resistive pressure plate. It locates the position of the stylus mainly through the change of capacitance value when the stylus presses the substrate, which is inconvenient to use, and the product life is short, and the thickness of the written strokes has not changed. At present, the products adopting this technology are rare.

The latest is electromagnetic pressure sensing technology, which is the most popular technology at present. At present, most handwriting boards adopt this technology. Electromagnetic pressure sensing technology There is a circuit board on the surface of the handwriting board. When the circuit is energized, a magnetic field will be generated in a certain range above the handwriting board. At the same time, there is also a circuit in the stylus that can generate a magnetic field. Because the conduction of electromagnetic waves is non-contact, even if the user does not touch the tablet when using it, the position of the stylus can be determined by mutual induction of magnetic fields. Electromagnetic pressure-sensitive handwriting boards can be divided into two types: pressure-sensitive handwriting boards and non-pressure-sensitive handwriting boards. The pressure-sensitive tablet can sense the strength of the stylus on the tablet, thus producing strokes with different thicknesses. Pressure-sensitive series is the key parameter of this handwriting board. At present, most of the nominal pressure sensitive series of handwriting boards are 565,438+02. The so-called pressure-sensitive series of 565,438+02 is that the pen tip touches the handwriting board and presses it down, and the information is fed back to the computer, so that the series of 565,438+02 can be distinguished in a small electromagnetic change of about 5mm, thus forming strokes with different thicknesses. The disadvantage of electromagnetic handwriting board is that wireless pen is generally heavy because it contains batteries, and it will be interfered by nearby electromagnetic equipment.

Personal recommendation: including handwriting board