| 发明名称 |
Digital voucher authentication |
| 摘要 |
A device for presenting a digital voucher comprises: voucher presenting means for presenting a digital voucher and a microphone. The device is arranged to: present the voucher using the voucher presenting means; receive a sound challenge signal via the microphone; and present a challenge response using the voucher presenting means. |
| 申请公布号 |
EP2922010(A2) |
申请公布日期 |
2015.09.23 |
| 申请号 |
EP20140193228 |
申请日期 |
2014.11.14 |
| 申请人 |
CULYER, ROBERT |
发明人 |
CULYER, ROBERT |
| 分类号 |
G06Q30/02;G06F21/00;G06F21/31;G06F21/43;G06K7/14;G06K19/06;G06Q20/32;G06Q20/40;G06Q30/00;H04L9/32;H04L29/06;H04W12/06 |
主分类号 |
G06Q30/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
