Keypad coupling apparatus for portable terminal
US7579561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2007 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Nov 5, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2229/022
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a keypad coupling apparatus for a portable terminal which has a laminated keypad unit arranged on an upper surface of a front case. The keypad coupling apparatus includes a front case provided with a latch; a flexible circuit disposed on the front case and including a plurality of dome switches; a keypad rubber disposed on an upper surface of the flexible circuit; and a keypad provided on an upper surface of the keypad rubber and moving in a pressed direction when the keypad is engaged with the latch and pressed, the keypad rubber making contact with at least one of the dome switches to provide tactile quality of a click.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.