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Hand scan recognition time clocks have been in existence for nearly 19 years. To use a hand scan timepiece or access control terminal anyone enters their ID and places their right hand within the platen (a designated reflective surface with guide posts which lie amongst the users fingers) along with the hand scan unit are going to perform a match against a registered template and invite access or log attendance.

Hand scan technology utilizes a camera plus a series of mirrors to create a three dimensional picture of a gamers hand. Using this image the processor in the timepiece measures certain hand geometry such as length and proportion of duplicate pan card each one finger so it converts into an algorithm. This mathematical representation with the hand is saved in a template and is particularly used when matching the person during subsequent logging events.


The algorithm is adjusted periodically websites as bad this feature it compensates for changes within the size of a gamers hand over a period so, if anyone gains or loses weight the unit compensates. Interestingly the device does depend on anyone having a right hand without having fingers missing. Having said that, testing from my associates shows that a left hand turned ugly will work correctly.

Hand scan terminals are an existing technology but they’re not widespread in either serious amounts of attendance or access control applications.Hand Scan technology will not be impacted by scratches, go here or cuts or scars about the users hands nor would it be effected by dirty hands although dirt accumulating around the mirrors or platen may ultimately cause misreads. This makes the hand scan a particularly acceptable biometric device.

Given actually actually more reliable than most from the other alternatives it truly is surprising they’ve not been more widely accepted. One possible explanation is likely more expensive than most fingerprint readers and the’ve no embedded software so that they cannot be used like a stand alone time. Additionally, they have not assigned exclusivity to a a serious amounts of attendance solution provider nor have they been developed award interpretation software themselves.

Hand scan time clocks are usually used in harsh environments when fingerprint units simply can’t recognise users who frequently damage their fingers. Typical applications are manufacturing, mining and construction. In those environments they are generally installed in a dust proof enclosure in order to avoid the mirrors and camera becoming relying on dirt. Unfortunately those environments will also be prone to accidental or deliberate mechanical shock that is likely to misalign you and cause difficulties with template recognition.

Because hand scan terminals have no useful embedded software for serious amounts of attendance it really is important to get a supplier with award interpretation or attendance software that’s integrated using the hand punch terminals. When selected miracle traffic bot provider you need to ensure that they are a well established hand scan solution provider as integration is not as straightforward perhaps you may think although it may may actually work inside short time there could possibly be some hidden integration issues on the track.

In summary, hand scan technology visit here when along with some decent alternative software is a fantastic option for harsh environments because it can be quite faultless rolling around in its recognition capabilities. You will however , most likely need a good third party a serious amounts of attendance provider and also be aware that the hand scan terminals usually are not as robust as some on the alternative and won’t take kindly to hard knocks from your occasional accidental or wilful attempt for damage.