Helically wound pitch-determining element for electronic musical instrument
US3997863A · kind A · utility
27Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 1975 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Apr 3, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S84/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control apparatus for determining the pitch of the sound produced by an electronic music synthesizer incorporates a conductive ribbon having a manually adjustable contact with a second conductive element, the second element comprising an elongate helically wound resistance element supported by being cemented in a groove in a base member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.