Suppressing a modal frequency of a loudspeaker
US10129640B2 · kind B2 · utility
0Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2014 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Feb 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R7/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An example provides an apparatus to receive an audio input signal, generate, from the audio input signal, a filtered audio input signal to suppress at least one modal frequency of a flat loudspeaker diaphragm, and output the filtered audio input signal to at least one actuator to cause a vibration of the flat loudspeaker diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.