Spring configuration for touch-sensitive input device
US10139922B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 16, 2014 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Oct 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2235/022
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are systems and methods associated with a touch-sensitive input device including a plurality of keys, wherein each key of the plurality of keys includes at least one spring. Such a spring may include a substantially planar peak located at a central portion of the spring, a first substantially arcuate leg extending from the peak in a first direction, and a second substantially arcuate leg extending from the peak in a second direction substantially perpendicular to the first direction. In one embodiment, a resistive force provided by the at least one spring decreases after the peak travels a first distance from an initial position of the peak. In such an embodiment, the first distance is less than or equal to approximately ⅕ of a range of travel of the peak.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.