Graphic equalizer with spectrum analyzer and system thereof
US4612665A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1981 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Oct 23, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G5/025
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A graphic equalizer comprises an equalizer for separately level adjusting the input signal for each of a number of divided frequency bands which are different from each other, control knobs provided one for each of the divided frequency bands, which are operated for carrying out level adjusting of the equalizer, a spectrum analyzer supplied with the output signal of the equalizer and having a display for displaying the level of each of the divided frequency bands, and a casing provided with a panel face having the control knobs and the display section of the spectrum analyzer disposed in a corresponding relationship to each other and accommodating the equalizer and the spectrum analyzer therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.