Invention Grant
- Patent Title: Verification of a portable consumer device in an offline environment
- Patent Title (中): 验证离线环境中的便携式消费者设备
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Application No.: US11680592Application Date: 2007-02-28
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Publication No.: US08386349B2Publication Date: 2013-02-26
- Inventor: Philip B. Dixon , Ayman Hammad , Khalid El-Awady
- Applicant: Philip B. Dixon , Ayman Hammad , Khalid El-Awady
- Applicant Address: US CA San Francisco
- Assignee: Visa U.S.A. Inc.
- Current Assignee: Visa U.S.A. Inc.
- Current Assignee Address: US CA San Francisco
- Agency: Kilpatrick Townsend & Stockton
- Main IPC: G06Q40/00
- IPC: G06Q40/00
Abstract:
A portable consumer device includes a base, and a computer readable medium on the base. The computer readable medium comprises code for an issuer verification value and a supplemental verification value. The issuer verification value is used by an issuer to verify that the portable consumer device is authentic in an on-line transaction and the supplemental verification value is used to verify that the portable consumer device is authentic in an off-line transaction.
Public/Granted literature
- US20080203151A1 VERIFICATION OF A PORTABLE CONSUMER DEVICE IN AN OFFLINE ENVIRONMENT Public/Granted day:2008-08-28
Information query
