step 1: I accidentally saw this kind of holographic projection that relies on the principle of reflection. If ordinary video or other operations can be displayed in this projection method, think about it, the experience would be great, but after researching it, I found that this kind of pattern needs to be fully displayed. The background is black, and four identical patterns are required for projection on all sides, so the video is quite special. But anyway, I made one first. When asked about this kind of professional holographic projection glass, which is coated glass, it costs 3,000 oceans per square meter, which is really not affordable. So I bought some acrylic sheets and glass films. The effect should be similar. The experiment began! Step 2: Draw the size of the board you need, the bottom edge is 600, and the waist length is 520. Step 3: Acrylic boards are relatively brittle, and the edges will collapse when sawed. The board I chose is 3mm thinner, so I just break it off! This uses some tools: C-clamps and a ruler or angle steel that is straight and hard enough. Use a utility knife or hook knife to draw a line along the drawn line to a certain depth. Step 4: When folding, you must use even force, and clamp the board on the other side of the line up and down. Here, the C-clamp and the angle steel are very important. Step 5: Cut out a suitable size mirror film for the trimmed triangles. Step 6: Tear off the protective film on the acrylic board and attach the mirror film. I heard that putting some water on the surface of the film will make it easier to paste (the difference does not seem to be too big...) It may be that the glue is different, and then use a scraper to push out the bubbles and paste the film. Step 7: After the film is pasted, surround them into a pyramid shape and temporarily fix them with adhesive tape. Step 8: Put the tip down in a square box, or put it in a cylinder and apply hot melt glue to the joint from the inside. Step 9: Apply hot melt glue evenly. Step 10: The bonding force between hot melt adhesive and acrylic is still very strong, and the strength is very high after the square board is finally sealed. Step 11: The overall effect, the mirror effect is stronger than that of holographic glass, but it can be replaced with a glass film with higher light transmittance and lower reflectivity, and the effect will be basically the same as that of holographic glass. Step 12: Using a TV as a projection screen, the image is very clear due to the higher reflectivity, and the three-dimensional effect is also good, but if the light transmittance is higher, the overall effect will be more transparent, it will be better! Step 13: The screen can also be inverted, so that the screen cannot be seen, and the holographic effect is even more magical! Then just modify the overall appearance, and block the places that should be blocked.
A tablet computer is an electronic device that integrates mobile commerce, mobile communication and mobile entertainment, with a touch recognition LCD screen, handwriting recognition and wireless network communication functions. At present, the tablet computer has become the most popular electronic product.
1.In appearance, the tablet computer looks like a large-screen mobile phone, or more like a separate LCD screen.
2.In terms of hardware configuration, a tablet computer has all the hardware devices of a traditional computer, and has its own unique operating system, compatible with a variety of applications, and has a complete set of computer functions.
3.Tablet PC is a kind of miniaturized computer. Compared with traditional desktop computers, tablet computers are mobile and flexible. Compared with notebook computers, tablet computers are more compact and more portable.
4.Tablet PC is a digital notebook with digital ink function. In daily use, you can use the tablet computer like an ordinary notebook, take notes anytime and anywhere, and leave your own notes in electronic texts and documents.
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