Secured keypad devices
US9013336B2 · kind B2 · utility
9Cited by
41References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2009 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Feb 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/23
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data entry device including a housing including a top housing portion including key apertures, a plurality of data entry keys mounted in the housing to have data entry key depression travel paths in the housing, the plurality of data entry keys being associated with a substrate, which is disposed below the top housing portion and anti-tampering electrical conductors arranged between the top housing portion and the substrate thereby to prevent unauthorized access to the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.