Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Davis0
Tam Hulusi0
Date of Patent
January 17, 2006
0Patent Application Number
098283950
Date Filed
April 6, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An extension of the industry standard Wiegand protocol for enabling two way extended communication, enhanced error detection, encryption, multiple reader capability, and enhanced information regarding the embedded data stream between a Wiegand device such as a card reader and a control panel on the existing 5-wire bus structure without requiring the modification to the existing infrastructure.
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