Membrane switch, method for manufacturing membrane switch, and contact switch
US7186938B2 · kind B2 · utility
5Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2005 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Aug 18, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pressure detection switch includes a membrane switch and a key pad arranged on the membrane switch. The membrane switch includes first and second insulation sheets arranged to face each other. An electric circuit, which includes a first electrode and a voltage-dividing resistor, and a resist film, which protects the electric circuit, are formed on the lower surface of the first insulation sheet and above the second insulation sheet. The resist film has an opening through which the voltage-dividing resistor is exposed from the lower surface of the first insulation sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.