Membrane switches configured to sense pressure applied from compliant and rigid objects
US12009159B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2021 |
| Grant date | Jun 11, 2024 |
| Priority date | — |
| Expiry date | Jun 28, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2229/004
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pressure-activated membrane switch and methods of use are provided. The pressure-activated membrane switch includes an electrically-conductive membrane, and a compliant conductive material having an electrically-conductive inner surface, wherein contact between the electrically-conductive membrane and the electrically-conductive inner surface of the compliant material is configured to cause an electrical circuit, of which the switch is a part, to close. The pressure-activated membrane switch further includes a plurality of spacers dispersed between the electrically-conductive membrane and the compliant conductive material. The plurality of spacers form one or more gaps between the electrically-conductive membrane and the compliant conductive material, and, with an application of pressure against the compliant conductive material, the compliant conductive material is configured to deform between the one or more gaps to contact the electrically-conductive membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.