Keyboard for an electronic musical instrument employing variable capacitors
US4027569A · kind A · utility
9Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1975 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Jun 19, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S84/07
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A keyboard of an electronic musical instrument incorporates a plurality of variable capacitors, one for each key, with one conductor of each capacitor being connected for movement with an individual key of the keyboard toward and away from the other conductor, so as to vary the capacitance of the capacitor in accordance with the force with which the key is depressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.