Keyboard assembly
US6054939A · kind A · utility
29Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Mar 11, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2223/004
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard assembly capable of protecting the circuit membrane or other internal circuitry in the keyboard from being damaged by water flowing in from the key seats and from the bolt holes. The keyboard assembly of the invention utilizes a water-resistant sheet, which covers the circuit membrane mounted on the base of the keyboard body and is surrounded by a sealing flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.