Electrical control device
US4075568A · kind A · utility
0Cited by
4References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1976 |
| Grant date | Feb 21, 1978 |
| Priority date | — |
| Expiry date | Feb 18, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03J1/06
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A continuously variable control device, e.g. a volume control in an amplifier, is so designed that after being set to a desired condition by means of the user's finger it reverts to its normal (unset) condition, means being provided to memorize or store the position to which the control was set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.