System and method of extending communications with the...

Details System and method of extending communications with the... System and method of extending communications with the...

G - Physics

06

K

G06K 19/06 (2006.01) G06K 7/10 (2006.01) G07C 9/00 (2006.01)

Patent

CA 2443086

An extension of the industry standard Wiegand protocol (2) for enabling two way extended communication, enhanced error detection, encryption, multiple reader capability, and enhanced information regarding the embedded data stream between a Wiegang device such as a card reader (10) and a control panel (4) on the existing 5-wire bus structure without requiring the modification to the existing infrastructure.

L'invention concerne une extension du protocole Wiegand (2) aux normes industrielles pour faciliter des communications bilatérales étendues, une meilleure détection d'erreurs, le chiffrement, des capacités de lecture multiples et de meilleures informations relatives au flux de données intégré entre un dispositif Wiegand, par exemple un lecteur de carte (10), et un panneau de commande (4) sur la structure de bus à 5 fils existante sans modifier l'infrastructure existante.

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