Subwoofer system using a passive radiator
US4350847A · kind A · utility
7Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1981 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Jan 12, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker subwoofer system is disclosed which combines signals from more than one audio channel. A single enclosure mounts an active driver for each of a plurality of audio channels, which active drivers are respectively connected to each respective audio channel. A passive radiator loudspeaker is also mounted in the single enclosure. The passive radiator is acoustically coupled to the active drivers and functions as a subwoofer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.