| 发明名称 |
INPUT DEVICE FOR PREVENTING PASSWORD THEFT BY THERMAL IMAGING |
| 摘要 |
Exemplary embodiments of the present invention provide an input device including a keyboard having at least two keys. A heating or cooling element is connected to each key. A sensor is configured to detect key temperature. A controller is connected to the sensor for controlling the key temperature. |
| 申请公布号 |
US2016364572(A1) |
申请公布日期 |
2016.12.15 |
| 申请号 |
US201514739725 |
申请日期 |
2015.06.15 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
Cohen Guy M.;Horesh Lior;Sharma Mayank |
| 分类号 |
G06F21/60;G06F3/02 |
主分类号 |
G06F21/60 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An input device comprising:
a keyboard having at least two keys; a heating or cooling element connected to each key; a sensor configured to detect temperature of each key; and a controller connected to the sensor for controlling key temperature. |
| 地址 |
ARMONK NY US |
