Wireless mobile communication terminals and methods for forming the same
US8982055B2 · kind B2 · utility
1Cited by
3References
24Claims
0Family size
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Key dates
| Filing date | Jan 15, 2008 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Nov 29, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a user input assembly. The user input assembly includes a capacitive touch sensor unit having a front side, a light guide overlying the front side, an opaque coating on the light guide, and a light source. The opaque coating is configured to represent indicia and/or ornamentation. The light source is operative to generate light that is transmitted through the light guide to illuminate the user input assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.