With business development and technological advancement, barcode scanners play an important role in retail, logistics and other fields. However, many people still have questions about the capabilities of barcode scanners: can they read barcodes from any angle?
1. Barcode reading limitations of scanners
1.1 Angle limitation:
The reading angle of a barcode scanner is limited. Barcode scanners usually read barcodes using lasers or cameras, and the projection angle of the laser or the field of view of the camera will limit the readability of the barcode. Angles that are too large or too small can prevent the scanner from reading the barcode accurately.
1.2 The effect of too large or too small an angle:
If the angle is too large or too small, the barcode may be distorted or blurred, making it difficult for the scanner to accurately recognise the information in the barcode. This may result in reading failure or reading of incorrect information.
1.3 Distance limitation:
The scanner also has requirements for the distance of the barcode. If the distance is too far or too close, the focus of the scanner may not be able to accurately focus on the barcode, which may result in scanning failure or reading of inaccurate information.
1.4 The effect of being too far or too close on reading If the distance is too far, the barcode may be too blurred or the details may not be clear, making it difficult for the scanner to read. If the distance is too close, it may cause the barcode to be too large, which may not be completely within the scanner's field of view, which will also result in scanning failure.
1.5 Scanning speed and handheld stability requirements:
Scanning speed has a major impact on barcode reading. If the scanning speed is too fast, the barcode image may become blurred and may not be read accurately. On the other hand, if the scan speed is too slow, it may result in repeated reads or may not be able to meet the required scan speed requirements. In addition, the hand-held scanner should be stable to achieve better scanning results.
1.6 Relationship between hand-held stability and scan results:
When using a hand-held scanner, stability is critical to scanning results. An unstable grip can cause the scanner to fail to read barcodes accurately, producing blurred or vibrating images. Therefore, when scanning bar codes, maintaining a stable grip will help to achieve better scan results.
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2. Application case studies
We encountered the problem of barcode reading failure due to the scanner's limited reading angle. To solve this problem, we can optimise the settings of the scanner gun to successfully read barcodes with large angle limitations. Here are some possible solutions:
2.1 Adjust the scanner's viewing angle range:
Some scanners can be adjusted to increase the readability of barcodes by adjusting their viewing angle range. This can be done by changing the scanner configuration or by using specific scanner software. By increasing the viewing range of the scanner, we can provide more reading angles for the barcode, thus increasing the success rate of barcode reading.
2.2 Use high performance scanner guns:
Some high performance scanner guns may have more advanced barcode reading technology and are able to accurately read barcodes over a wider range of angles. These scanners typically have higher resolution and more sensitive optical sensors that can better resolve barcode images.
2.3 Improve scanning speed and handheld stability:
In addition to optimising the scanner itself, improving scanning speed and maintaining handheld stability can also improve barcode reading. Faster scanning speeds reduce blurring and image distortion and improve reading accuracy. And a stable hand can eliminate jitters and vibrations, allowing the scanner to better align the barcode.
The ability of a barcode scanner to read barcodes from any angle depends on a number of factors, including the type of barcode scanner, the type of barcode, the scanning environment, etc. Different types of barcode scanners have different angle requirements and limitations. For example, laser scanners usually require a certain angle to the barcode, while image scanners can read barcodes from a wider range of angles.
If you encounter any problems during use, contact us. We hope this article will help you!
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E-mail: admin@minj.cn
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Post time: Sep-08-2023