名片二维码:定义、提示和用例

常见问题(FAQ)
Should QR codes be of a certain size?
The only thing you need to remember when putting QR codes on your business cards is that as long as it can be visibly scanned, it will function.
It doesn’t have to be of a specific size or orientation.
Therefore, you can put them on the corner or even at the center of your business card to give it the spotlight.
Is there a possibility of the QR code malfunctioning?
Despite being electronically generated, there is a small window of possible error in QR codes. So always make sure to test them out first before creating mass copies of your business cards.
Even if the chances are quite low, there is nothing wrong with making sure. It is always better to practice prevention than regretting it in the end.
Do QR codes function with every phone?
If you are talking about smartphones then they are definitely going to work. Some phones, especially older models, are first going to need to download a QR reader.
However, most modern mobile devices, especially iOS 12 and beyond, have an integrated QR code reader in the camera app.
How long do QR codes last?
In the digital aspect, technically forever. If you don’t change anything, it is going to stay the way it is.
However, physically, your business card is going to degrade over time.
Whether it may be getting wet or being crumpled, it could potentially affect the QR code image and make it almost impossible to be visibly scanned by a mobile device.
How long do scans take?
The best part about QR codes is that they scan instantaneously. The image doesn’t have to be completely straight or be held on a certain orientation.
Even if it is scanned from a distance, a QR code reader will be able to read it in a split second.
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