Keypad assembly
US6824321B2 · kind B2 · utility
34Cited by
16References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Sep 19, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A keypad assembly utilizes touch-detecting apparatus such as force sensors or touchpad assemblies for registering key presses. In exemplary embodiments, the keypad assembly is suitable for use in electronic devices such as a mobile telephones, calculators, hand-held computers, or the like, having single piece molded housings wherein the keypad assembly is at least partially encapsulated within the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.