degaussing

How is the degaussing scanner used for supermarket cash registers? Let's start with the electronic product anti-theft system:Electronic Article Surveillance, also known as the electronic goods anti-theft system, is one of the product security measures widely used in the large retail industry. The EAS system consists of three parts: the sensor, the deactivator, and the electronic label and tag ). Electronic Tags are divided into soft tags and hard tags

For ordinary users, the display is very annoying to be magnetized, especially for those who do not have degaussing function of the display itself is even more troublesome. In fact, the solution is not difficult, for strong electromagnetic interference magnetization of the display, it is best to use special degaussing equipment to complete, such as degaussing rods

respectively is the filter capacitance, the degaussing resistance, the row tube and so on. filter capacitor Monitors are generally using switching power supply, after the mains access, first through rectification, and then filtered, DC and AC transform, conveying to other equipment use. In order to eliminate and prevent all kinds of interference from the power grid, the electrolytic capacitor must be used for filtering (Fig. 1), and the electrolyti

there is no change, it must be the picture tube has been magnetized. The display is magnetized mostly because the display has a magnetic field around the device to the picture tube has a magnetized effect, such as computer speakers, microphones, stereos and so on. Under normal circumstances, the computer's dedicated speakers are magnetically treated, it will not be magnetized display, but inferior speakers may have magnetic leakage phenomenon. It is common that some speakers of the side or aft

degaussing function, however, the degaussing function of the display itself is limited. If the display is seriously magnetized, it cannot be completely demagnetized only by using its degaussing function. In this case, you need to use special equipment (such as degaussing rods) to demagnetize. Of course, if the screen

consider its dual performance, according to the specific requirements of the circuit to choose its resistance and power parameters. It is necessary to ensure that it can be quickly fused during overload, and that it can work stably in normal conditions. If the resistance value is too large or excessive power, it can not protect the function.3. Thermistor selection of the type and type of thermistor, and choose which kind of thermistor, should be based on the specific requirements of the circuit

warranty period has passed, the user's interests are lost. 5, screen display has noise: through the display of the front panel degaussing control function for degaussing, but do not repeat degaussing within half an hour. 6, color type can not be up to 32 bits: Video card problem, check whether the video card has this performance and the driver of the video car

residual signals. For this reason, commercial-level data erasure generally requires alternating use of all 0 and one cleaning storage medium at least 7 times. According to the example above, the tape of a passing sound is repeatedly erased (degaussing) 7 times. However, pure cleaning (degaussing) is not the best solution. With enough dirty data for pollution, the effect is far better than pure cleaning.

purpose of degaussing (the current display has an automatic degaussing function when it is turned on). Four, the display card contact bad Open the chassis and pull the display card out of the slot. Then hand will show Kakin fingers of dust wiped clean, it is best to find soft hair brush, gently the graphics card surface of the dust all clear clean, and then use a clean eraser on the surface of the gold f

, then your computer where the original place has a strong electric field or strong magnetic field interference, please suspicious things (such as speakers of the subwoofer, magnetized cups, etc.) From the computer near the good. Then turn off the monitor and reopen it a few times to achieve the purpose of degaussing (the current display has an automatic degaussing function when it is turned on). 　　Four, t

The display after two years of use, has been in the normal state, a sudden slight jitter, especially in the lower right corner jitter. This situation is generally caused by the display is magnetized, the display of high pressure package problems. First of all, check whether there is a strong magnetic field devices around the display, such as audio, mobile phones. The monitor is then left with these devices for a distance and can be used to degaussing