Attenuating volume control
US6147558A · kind A · utility
30Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1999 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Apr 14, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G1/0088
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Two banks of differently-connected resistors are connected as an input to an op-amp feedback circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.