Touch switch with integral control circuit
US7218498B2 · kind B2 · utility
50Cited by
14References
66Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Oct 29, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2331/803
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A touch switch apparatus for detecting the presence of an object such as a human appendage, the apparatus having a touch pad, an electric field generated about the touch pad and also having a preferably integrated and local control circuit connected to the touch pad and to a controlled device. The touch switch apparatus also having at least one of an input circuit portion for providing input signals to a decision circuit, swamping capacitance, active blocking devices, peak detector circuits, and a dual connection output latch circuit portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.