A little knowledge about household fingerprint lock

Fingerprint combination lock is also becoming more popular in modern society, the last one can see the double tenth, every platform of the fingerprint lock more hot. Is relatively commonly used in fingerprint lock fingerprint unlock, let's take a look at what need to know. 1. Fingerprint unlock way there are two ways, one is more often used in optical fingerprint recognition, but already was washed out gradually, now the mainstream is semiconductor fingerprint identification. There are some of the older type of fingerprint lock is still using optical recognition, when buy, need to look carefully. Compared with optics recognition, semiconductor fingerprint identification is more effective to prevent false fingerprints, on the identification sensitivity is stronger at the same time, wider applicability. 2. Number of fingerprint input fingerprint lock many number of fingerprint input fingerprint lock has around 100, some models can more. So when the input fingerprint, but as far as possible much input, can put ten fingers the fingerprint entry into, can prevent a finger fingerprint identification don't come out, can identify other finger prints. 3. How to input fingerprint quality fingerprint acquisition before, need to keep the fingerprints of clean, without watermarks besmirch, collection efforts need to be moderate, when the area is as far as possible big, make the input fingerprint is comprehensive; Each finger fingerprint entry, respectively. In use process need to fingerprint reading head is clean, use dry soft cloth to wipe.
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