MM code: Difference between revisions

Content deleted Content added
mention yet another related technology, with reference.
Citation bot (talk | contribs)
Misc citation tidying. | Use this bot. Report bugs. | #UCB_CommandLine
 
Line 17:
*'''Infrared barcodes:''' The second class concerns encoding the code onto the plastic base of the card using special inks (probably a bar code), or reading a code which is inherently embedded as part of the plastic manufacturing process for each batch. Such a code may only be visible under infrared illumination (or other invisible wavelength).
* [[ Wiegand effect #Wiegand keycards | Wiegand keycards]], like capacitive MM codes, embed a code into the middle layer of the card, and so are more durable and difficult to counterfeit than printed barcodes or magnetic stripes on the surface of the card.<ref>
[https://wwwbooks.google.com/books/edition/Security_Supervision_and_Management/?id=Ehc1omWy6iMC "Security Supervision and Management: The Theory and Practice of Asset Protection"].
2007.
p. 365.