Two-stage button structure
US7217893B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2006 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Oct 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2225/018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A two-stage button structure includes: a silver paste PCB, a metal dome, a film, a flexible contact body, and a button body. When the button body is pressed to a first stage, the pair of conductive blocks of the flexible contact body respectively passes through the pair of through holes of the film to respectively electrically contact the first and the second conductive areas in order to generate a first stage signal. When the button body is pressed to a second stage, the metal dome is pressed via the contact pin to touch the third conductive area and the pair of conductive blocks respectively electrically contact the first and the second conductive areas at the same time so that the second and the third conductive areas electrically connect with each other to generate a second stage signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.