Dual tactility keypad switch
US7060924B1 · kind B1 · utility
9Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2005 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Jan 20, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2225/018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keypad assembly comprising a substrate, a membrane, and a logic component. The substrate has at least one set of electrical contact points that comprise a first, second, and a third conductive electric-contact area. The membrane comprises domed elements having a conductive elements fixedly attached thereto. Each conductive element is configured to interface with one or more of the electrical contact points with a soft press and a hard press. The logic component is in operative communication with the substrate and the membrane. The logic component is configured to distinguish between the soft press and the hard press.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.