Keypad with water and dust protection
US8050019B2 · kind B2 · utility
16Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2008 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Oct 10, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keypad suitable for use with a mobile communication or a handheld device. The keypad includes an actuator component formed from multiple materials and comprises a plurality of actuators, a sealing bead and/or a light guide. The sealing bead is formed from a flexible or compressible material such as silicone rubber. When the keypad is installed the sealing bead is compressed against the mounting surface in the device and provides a seal for the keypad against environmental agents such as moisture, dust and/or electrostatic discharges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.