Introduction to the principle of one-way perspective glass

Abstract One-way perspective glass, also known as one-way glass, double-sided mirror, is widely used in mirror media, camera concealment, youth behavior observation, etc. Xiaoruo will introduce one-way glass to everyone. Introduction to the principles of see-through glass and its related aspects.

1. Principle of one-way perspective glass

The use of one-way perspective glass is often controversial and is often used for one-way surveillance. TV station word prompt devices use reflective scripts. The performer is looking directly at the audience when reading his lines, giving people an illusion. Hotel managers and unscrupulous shop owners have also been accused of violating guests' privacy and illegally spying on customers because of their use of the technology. Therefore its use is quite controversial.

Any mirror has two independent surfaces with a layer of silver plating, which is used for coloring. It is not possible to make a double-sided perspective mirror using traditional methods. Traditional mirrors are often opaque because A second coat of paint is applied to the back of the mirror panel. Its image cannot be seen from behind.

When installing this kind of double-sided perspective mirror between two rooms, in order to achieve the best effect, the light in the mirror room must be brighter than the observation room, because when the light between the two rooms is When installed, it looks like a large mirror in one room and a large window with tinted glass in another. The strong light in the mirrored room is difficult to refract back through the reflective surface, while providing better lighting for another room, and this significant difference creates the effect of a two-way perspective mirror. When this situation is reversed, the scene in the other room can be directly seen by the person on the mirror side.

2. Cleaning and maintenance

Professional cleaning of one-way perspective glass is to use cleaning agents. The method is to use efficient one-way perspective glass cleaning agent and wiper as well as one-way perspective glass. Scrape and clean the dirt thoroughly, then use a one-way glass scraper to remove dust, window frames and cement glue on the window. The one-way glass after scrubbing is crystal clear and translucent because the cleaning contains anti-static ingredients.

3. One-way perspective glass identification method

1. Scratch method: scratching the glass with a hard object is a better test method, because traditional one-way perspective glass is very difficult to detect. Afraid of scratches, when the surface can be scratched, it can be determined as one-way perspective glass.

2. Comparison method: Compare the suspected double-sided mirror with an ordinary single-sided mirror. When there is serious color difference, the mirror is a one-way perspective glass mirror

3. Nail test method: We can touch the surface of the mirror suspected of being a one-way mirror with our fingernails. In a traditional mirror, the image and the fingernail are not directly connected. This is because the silver-plated layer is the second layer of the mirror. layer, there will be a gap between the image and the mirror, so we can observe the mirror after the fingernail touches it. If it is a one-way mirror, there will be no such gap.

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