Not every Wiegand stream has a bit or a stream that can be associated with that kind of application. |
Without giving names, there is an access control system on the market now that reads cards and fingerprints. If you present a valid card to the reader and a valid fingerprint, you can get in. Trouble is, the card and fingerprint do not have to be from the same person. This is called a print mismatch. There are a couple of mismatch issues that should be taken up by standards committees. |