Sliding contact control switch pad
US5367199A · kind A · utility
99Cited by
2References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1992 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Sep 15, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/96066
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A controller is provided which includes a plurality of equally spaced sensors disposed symmetrically about an intersection of at least two orthogonal axes and spaced from such axes by a null zone which is concentric with such sensors. Control circuitry is electrically connected to the sensors to control movement of a controlled object in a direction which is related to the position of an operator's finger and the like relative to such intersection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.