Keyswitch using magnetic force
US8629362B1 · kind B1 · utility
69Cited by
73References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2012 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Jul 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key for user input having superior tactile qualities. The key is suspended by a magnetic field force to improve the smoothness of motion. Two compact interleaved members link a keycap to a key base to provide highly precise parallel travel with reduced tilt and flexion, and improved durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.