Keypads for mobile devices and method of manufacturing the same
US9075576B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2010 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jan 11, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7676
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A keypad is described herein in which the keypad can have a keypad sheet and a keymat layer molded onto the back side of the keypad sheet. The keypad sheet can include a plurality of keys formed on a front side of the keypad sheet and a plurality of actuators formed on a back side of the keypad sheet and protruding from the back side of the keypad sheet. Slits are cut around at least some of the keys to provide the keys with flexibility. The slits do not pierce the keymat layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.